All Wiring Diagrams for Toyota Tundra Limited 2008

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

A/c amplifier (center of dash)
A/c blower assembly (right side of dash)
A/c evaporator temperature sensor
A/c fuse 7.5a
A/c ig fuse 10a
Ac1
Act
B bus
Blw
Bus
Bus g
Canh
Canl
Computer data lines system
Connector housing color (black)
Connector housing color (green)
Connector housing color (natural)
Connector housing color (red)
D56
D58
Damper servo motor (air inlet)
Damper servo motor (air mix driver side)
Damper servo motor (air mix front passenger side)
Damper servo motor (air vent mode)
Damper servo motor (cool air bypass)
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compartment)
Gnd
Hot at all times
Hot in on or start
Ig+
Integration control & panel assembly
J19
J3 (right kick panel)
Lin1
Lock
Mg clt relay
Mgc
Pnk
Psw
Red
Sg 1
Sg 2
Sga
Stx
Tam
Tea
Tsd
Tsp

Automatic A/C Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Automatic A/C Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(except 5.7l: left front of engine compartment)
(left side of dash) j/c a37
A/c compressor (left front of engine)
A/c pressure switch (5.7l: left front of engine)
A2 (5.7l: left side of engine compartment)
A24
Ac1
Act
Ambient temperature sensor (left side of front grille)
Blower motor (right side of dash)
Canh
Canl
Computer data lines system
D74
Engine control module (right rear of engine compartment)
Engine controls system
Engine coolant temperature sensor (4.7l: right front of engine compartment) (except 4.7l: left front of engine compartment)
Engine room j/b (left side of engine compartment)
Ethw
Gnd
Heater fuse 50a
Hot at all times
J3 (right kick panel)
Light control sensor (floor shift: left side of dash)
Lock sensor
Magnetic clutch
Mg+
Red
Room temperature sensor (floor shift: left side of dash)
Ssr+
Ssr-
Thw
Tsl
Tsr

Manual A/C Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Manual A/C Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

A/c amplifier (center of dash)
A/c blower assembly (floor shift: right side of dash)
A/c evaporator temperature sensor
A/c fuse 7.5a
A/c ig fuse 10a
Ac1
Act
B bus
Blw
Bus
Bus g
Canh
Canl
Computer data lines system
Connector housing color (black)
Connector housing color (green)
Connector housing color (red)
D56
D58
Damper servo motor (air inlet)
Damper servo motor (air mix driver side)
Damper servo motor (air mix front passenger side)
Damper servo motor (air vent mode)
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compartment)
Gnd
Hot at all times
Hot in on or start
Ig+
Integration control & panel assembly
J19
J3 (right kick panel)
Lin1
Lock
Mg clt relay
Mgc
Pnk
Psw
Red
Sg 2
Sga
Stx
Tam
Tea

Manual A/C Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Manual A/C Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(except 5.7l: left front of engine compartment)
(left side of dash) j/c a37
A/c compressor (left front of engine)
A/c pressure switch (5.7l: left front of engine)
A2 (5.7l: left side of engine compartment)
A24
Ac1
Act
Ambient temperature sensor (left side of front grille)
Blower motor (right side of dash)
Canh
Canl
Computer data lines system
D74
Engine control module (right rear of engine compartment)
Engine controls system
Engine coolant temperature sensor (4.7l: right front of engine compartment) (except 4.7l: left front of engine compartment)
Engine room j/b (left side of engine compartment)
Ethw
Gnd
Heater fuse 50a
Hot at all times
J3 (right kick panel)
Lock sensor
Magnetic clutch
Mg+
Red
Ssr+
Ssr-
Thw

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(5.7l: left side of engine compartment) (except 5.7l: left front of engine compartment) a2
(left side of dash) j/c j71 & j72
(left side of dash) j/c j73 & j74
+bm
+bs
A40
A41
Active brake booster (left rear of firewall)
B17
Brk 1 relay
Brk 2 relay
Bst
Bstp
Bsw
Canh
Canl
Computer data lines system
Csw
D/g
D56
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compartment)
Exi2
Fl+
Fl-
Fr+
Fr-
Gnd1
Gyaw
Hot in on or start
Ig1
J/c a38 (left side of dash)
J/c a40 & a41 (right side of dash)
J/c a42 (left side of dash)
J71
J72
J73
J74
Left front speed sensor (on left front hub assembly)
Left rear speed sensor (on left rear hub assembly)
Pim
Pkb2
Pnk
Psnc
Psno
Red
Right front speed sensor (on right front hub assembly)
Right rear speed sensor (on right rear hub assembly)
Rl+
Rl-
Rr+
Rr-
Skid control buzzer (left side of dash)
Skid control ecu w/ actuator (left side of engine compartment)
Ss1
Ss2
Stp
Stp2
Stpo
Sts
Vcp
Vys
Yaw rate sensor (center of vehicle)
Yaw1
Yaw2

Anti-lock Brakes Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(center of dash) j2
(rear of engine compartment) (5.7l) d3
4wd control ecu (right side of dash)
A25
A40
A41
Abs 1 fuse 50a
Abs 2 fuse 40a
Abs ind
Add
Add actuator (except 4.0l: front of engine)
Auto lsd ind
B11
B13
B14
Bat
Brake ind
Canh
Canl
Combination meter
Computer data lines system
D14
D7 (4.7l) (right side of engine)
Dlc 3 (left side of dash)
Driver side j/b (left side of dash)
Ecu-b1 fuse 7.5a
Engine room r/b (left side of engine compartment)
Ess
Except 4.0l
Hot at all times
Hot in on or start
Interior lights system
J/b 3 (right side of dash)
J/c a40 & a41 (right side of dash)
J/c j73 & j74 (left side of dash)
J/c j78 (left side of dash)
J1 (floor shift: left kick panel) (column shift: left side of dash)
J73
J74
Met fuse 7.5a
Met-b fuse 5a
Parking brake switch (left side of dash)
Pedal stroke speed sensor (left rear of firewall)
Pim
Pnk
Power circuit
Red
Sil
Slip ind
Steering angle sensor (in steering column)
Stop fuse 15a
Stop light switch (left side of dash)
Vcp
Vsc off ind
Vsc off switch

ANTI-THEFT

Forced Entry Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Forced Entry Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(5.7l: left side of engine compt) (except 5.7l: left front of engine compt) a2
(center of dash) j2
(left side of dash) j/c j74
(right "b" pillar) q1
A24
Acc
Acc fuse 7.5a
Act+
Act-
Actd
Altb
B13
B18
Becu
Bk/up lp fuse 10a
Bzr
C23
C24
Canh
Canl
Computer data lines system
D40
D41
D42
D49
D51
D52
D53
D55
D62
D65
D74
Dcty
Detection unlock
Diode (ignition) (left side of dash)
Driver side j/b (left side of dash)
Drl/clk fuse 25a
Ecu-ig 2 fuse 7.5a
Engine control module (right rear of engine compt)
Exterior lights system
Gbs
Gnd1
Gnd2
Haz
Hcty
Headlights system
Horn
Horns system
Hot at all times
Hot in on or acc
Hot in on or start
Hrly
Ile
Ind
Interior lights system
J/c d73 (right rear of engine compt)
J/c j71 & j72 (left side of dash) j72
J/c j71 (left side of dash)
J/c j72 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j75 (left side of dash)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J2 (center of dash)
J71
J73
J74
Key lock
Key unlock
Ksw
Lcty
Left front door courtesy switch (at left "b" pillar)
Left front door lock motor (double cab: in left front door) (regular cab: in left door)
Lh-ig fuse 7.5a
Lswd
Lswl
Lswp
Lswr
Main body ecu (left side of dash)
Park/neutral position switch (on transmission)
Pcty
Pnk
Prg
Rda
Red
Right front door courtesy switch (at right "b" pillar)
Right rear door courtesy switch (double cab: at right "c" pillar)
Right rear door lock motor (double cab: in right rear door)
Rrcy
Trly
Ul1
Ul2
Ul3
Unlock warning switch (left side of dash)
W/ column shift
W/ floor shift
Wireless door lock buzzer (behind left front headlight)

Forced Entry Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Forced Entry Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(center of dash) j2
(double cab: at left "c" pillar) left rear door courtesy switch
(left "b" pillar) p1
(left side of dash) glass breakage sensor ecu
(right side of engine compt) a4
Accessory meter assembly
B13
D14
D62
Door control receiver (double cab: in right side door) (regular cab: at right "c" pillar)
Door lock switch
Double cab
Driver side j/b (left side of dash)
Ecu-b1 fuse 7.5a
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compt)
Glass breakage sensor microphone (center of dash)
Gnd
Hood courtesy switch (center of radiator support)
Hot at all times
Hot in on or start
J/c a36 (right side of dash)
J/c j71 & j72 (left side of dash)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash) j74
J/c j81 & j82 (center of dash)
J/c j81 & j82 (center of dash)
J2 (center of dash)
J71
J72
J73
J81
J82
Key lock
Key unlock
Left rear door lock motor (double cab: in left rear door)
Lock
Met-b fuse 5a
Mhtr
Mic+
Mic-
Nca
Nca mi-
Pnk
Power window regulator master switch
Prg
Q1 (w/o power seat) (right "b" pillar)
Q2 (w/ power seat) (double cab: right "c" pillar) (regular cab: right "b" pillar)
Rda
Red
Regular cab
Right front door lock motor (double cab: in right front door) (regular cab: in right door)
Right front door lock switch
Security horn (right side of engine compt)
Security horn relay
Security indicator
Unlock
Unlock detection

Immobilizer Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Immobilizer Wiring Diagram for Toyota Tundra Limited 2008:

(at left "b" pillar) left front door courtesy switch
(left side of dash) j/c j71 & j72
(left side of dash) j/c j76
A24
Accessory meter assembly
Agnd
B15
Code
Computer data lines system
Cty
D17
D62
Driver side j/b (left side of dash)
Efii
Efio
Engine control module (right rear of engine compt)
Engine room r/b (left side of engine compt)
Gnd
Hot at all times
Hot in on or start
Ign fuse 10a
Imb fuse 7.5a
Imi
Imo
Ind
J/c a43 (left side of dash)
J/c j71 & j72 (left side of dash)
J/c j77 (center of dash)
J/c j78 (left side of dash)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J2 (center of dash)
J3 (right kick panel)
J71
J72
Ksw
Pnk
Security indicator
Transponder key amplifier (column shift: at steering column) (floor shift: left side of dash)
Transponder key coil
Transponder key ecu (column shift: left side of dash) (floor shift: center of dash)
Txct
Unlock warning switch (left side of dash)
Vc5
W/ door lock control
W/o door lock control

BODY CONTROL MODULES

Body ECU Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Body ECU Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

Acc
Acc fuse 7.5a
Act+
Act-
Altb
B11
B13
B16
B18
Becu
C23
C24
Canh
Canl
Cann
Canp
Cglp
Cgsw
Cltb
Clte
Clts
D13
D14
D40
D41
D42
D49
D51
D52
D53
D62
Dim
Door locks & anti-theft systems
Door locks system
Dr/lck fuse 25a
Driver side j/b (left side of dash)
Drl
Ecu-b1 fuse 7.5a
Ecu-ig 2 fuse 7.5a
Engine room r/b (left side of engine compartment)
Exterior lights system
Ffog
Gnd1
Gnd2
Haz
Head
Headlights system
Horn
Horns system
Hot at all times
Hot in on or acc
Hot in on or start
Hrly
Ile
Interior lights system
J1 (column shift: left side of dash) (floor shift: left kick panel)
Lcty
Lin2
Lswl
Lswp
Lswr
Main body ecu (left side of dash)
Mirrors system
Pcty
Pkb
Pnk
Power tops system
Prg
Pwr relay
Pws
Rda
Red
Ret
Rrcy
Trly
Ul1
Ul2

Body ECU Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Body ECU Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(left side of dash)
A24
Actd
Anti-theft system
Bzr
Can
Canh
Canl
Center air bag ecu (w/ column shift: center of dash) (w/ floor shift: under center console)
Cgnd
Combination meter
Dcty
Door locks & anti-theft systems
Door locks system
Engine control module (right rear of engine compartment)
Exterior lights system
Ffgo
Gbs
Hcty
Headlights system
Horns system
Ind
Interior lights system
J/c a46, j83, j84, j94 & j96 (left side of dash)
J/c j89, j90, j91 & j97 (left side of dash)
J/c j92 & j93 (right side of dash)
J46
J83
J84
J89
J90
J91
J92
J93
J94
J96
J97
Ksw
Left front power seat control ecu & switch (seperate seat: in left front seat)
Lswd
Main body ecu
Mirb
Mire
Mirrors system
Mirs
Multiplex tilt & telescopic ecu (w/ floor shift: left side of dash)
Outer mirror control ecu (except regular cab: in left front door)
Pnk
Red
Skid control ecu w/ actuator (left side of engine compartment)
Tail
Ul3
Warning system

Integration Control and Panel Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Integration Control and Panel Wiring Diagram for Toyota Tundra Limited 2008:

A/c amplifier (center of dash)
Blink
Center air bag ecu (w/ air bag cutoff switch) (column shift: center of dash) (floor shift: under center console)
Combination meter
D56
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compartment)
Gnd
Hot in on or start
Ig+
Ill+
Ill-
Integration control & panel assembly
Interior lights system
J/c j78 (left side of dash)
J19
J2 (center of dash)
J3 (right kick panel)
J46
Lin1
Met fuse 7.5a
P-ab
Paon
Pbew
Pnk
Red
Stx

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Computer Data Lines Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(4.0l)
(4.7l)
(5.7l)
(right side of dash) j/c j85, j88, j92, j93 & j98
4wd control ecu (right side of dash)
A/c amplifier (center of dash)
A24
A25
A45
Bat
Bus buffer (right side of dash)
Can+
Can-
Canh
Canl
D18
D73
D8 (rear of engine compt)
Dia
Dlc 3 (left side of dash)
Driver side j/b (left side of dash)
Engine control module (right rear of engine compt)
Hot at all times
J/b 3 (right side of dash)
J/c a45 & d73 (right rear of engine compt)
J/c j78, j79 & j80 (left side of dash)
J19
J2 (center of dash)
J59
J79
J80
J85
J88
J92
J93
J98
Obd fuse 7.5a
Occupant detection ecu (bench seat: in right side of front seat) (separate seat: in front passenger's seat)
Pnk
Q11
Red
Sil
Tac
Tach
Tire pressure warning ecu (right side of dash)
Transponder key ecu (w/ column shift: left side of dash) (w/ floor shift: center of dash)
W/ power seat
W/o power seat

Computer Data Lines Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Computer Data Lines Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(left side of dash) j/c a46, j83, j84, j86, j87, j94 & j96
A46
Can
Canh
Canl
Cann
Canp
Center air bag ecu (w/ column shift: center of dash) (w/ floor shift: under center console)
Cgnd
Combination meter
D/g
J/c j89, j90, j91, j95 & j97 (left side of dash)
J46
J83
J84
J86
J87
J89
J90
J91
J94
J95
J96
J97
Left front power seat control ecu & switch (separate seat: in left front seat)
Main body ecu (left side of dash)
Multiplex tilt & telescopic ecu (w/ floor shift: left side of dash)
Outer mirror control ecu (except regular cab: in left front door)
Pnk
Red
Sil
Skid control ecu w/ actuator (left side of engine compt)
Steering angle sensor (in steering column)
W/ memory
Z10

CRUISE CONTROL

4.0L

4.0L, Cruise Control Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for 4.0L, Cruise Control Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(left front of engine compt) j/c a44
(left side of dash) j/c a38 & a39
(left side of dash) stop light switch
(right side of engine compt) a4
+b2
+bm
A2 (left front of engine compt)
A24
A38
A39
A43
Accelerator pedal position sensor (column shift: at accelerator pedal assembly)
Batt
Canh
Canl
Ccs
Column shift
Computer data lines system
D74
D8 (right side of engine)
D9 (rear of engine compt)
Diode (ignition) (left side of dash)
E01
E02
E03
Efi 1 fuse 25a
Efi relay
Engine control module (right rear of engine compt)
Engine room j/b (left side of engine compt)
Engine room r/b (left side of engine compt)
Epa
Epa2
Eta
Etcs fuse 10a
Floor shift
Ge01
Hot at all times
Hot in on or start
Ign fuse 10a
Igsw
J/c a36 (right side of dash)
J/c a42 & a43 (left side of dash)
J/c a43 (left side of dash)
J/c d73 (right rear of engine compt)
J/c j73 & j74 (left side of dash)
J73
J74
Me01
Met fuse 7.5a
Met-b fuse 5a
Mrel
Park/neutral position switch (left side of dash)
Pnk
Red
Spd
St1-
Stop fuse 15a
Stp
Throttle position sensor (on throttle body)
Vcp2
Vcpa
Vcta
Vpa
Vpa2
Vta
Vta1
Vta2

4.0L, Cruise Control Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for 4.0L, Cruise Control Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(column shift: left side of dash) (floor shift: left kick panel) j1
(left side of dash) j/c j78
(rear of engine compt) d8
+res
-set
A45
Cancel
Canh
Canl
Combination meter
Computer data lines system
Cruise control main switch
Cruise control switch
Cruise ind
D55
D73
Driver side j/b (left side of dash)
Fl+
Fl-
Fr+
Fr-
Hot in on or start
J/c a45 & d73 (right rear of engine compt)
J/c j71 (left side of dash)
J/c j74 (left side of dash)
J/c j79 & j80 (left side of dash)
J2 (center of dash)
J45
J79
J80
Left front speed sensor (on left front hub assembly)
Left rear speed sensor (at left rear hub assembly)
Lh ig fuse 7.5a
On- off
Pnk
Power circuit
Red
Right front speed sensor (on right front hub assembly)
Right rear speed sensor (at right rear hub assembly)
Rl+
Rl-
Rr+
Rr-
Skid control ecu w/ actuator (left side of engine compt)
Sp1
Spiral cable (left side of dash)

4.7L

4.7L, Cruise Control Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for 4.7L, Cruise Control Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(left front of engine compt) j/c a44
(left side of dash) stop light switch
(right side of engine compt) a4
+b2
+bm
A2 (left front of engine compt)
A24
A38
A39
A43
Accelerator position sensor (column shift: at accelerator pedal assembly)
Batt
Canh
Canl
Ccs
Column shift
Computer data lines system
D4 (rear of engine compt)
D5 (rear of engine compt)
D74
Diode (ignition) (left side of dash)
E03
Efi 1 fuse 25a
Efi relay
Engine control module (right rear of engine compt)
Engine room j/b (left side of engine compt)
Engine room r/b (left side of engine compt)
Epa
Epa2
Eta
Etcs fuse 10a
Floor shift
Ge01
Hot at all times
Hot in on or start
Ign fuse 10a
Igsw
J/c a36 (right side of dash)
J/c a38 & a39 (left side of dash)
J/c a42 & a43 (left side of dash)
J/c a43 (left side of dash)
J/c d73 (right rear of engine compt)
J/c j73 & j74 (left side of dash)
J73
J74
Me01
Met fuse 7.5a
Met-b fuse 5a
Mrel
Park/neutral position switch (left side of dash)
Pnk
Red
Spd
St1-
Stop fuse 15a
Stp
Throttle position sensor (on throttle body)
Vcp2
Vcpa
Vcta
Vpa
Vpa2
Vta1
Vta2

4.7L, Cruise Control Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for 4.7L, Cruise Control Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(column shift: left side of dash) (floor shift: left kick panel) j1
(left side of dash) j/c j78
(rear of engine compt) d4
+res
-set
A45
Cancel
Canh
Canl
Combination meter
Computer data lines system
Cruise control main switch
Cruise control switch
Cruise ind
D55
D73
Dim
Driver side j/b (left side of dash)
Except option meter
Fl+
Fl-
Fr+
Fr-
Hot in on or start
J/c a45 & d73 (right rear of engine compt)
J/c j71 (left side of dash)
J/c j74 (left side of dash)
J/c j79 & j80 (left side of dash)
J2 (center of dash)
J45
J79
J80
Left front speed sensor (on left front hub assembly)
Left rear speed sensor (at left rear hub assembly)
Lh ig fuse 7.5a
On- off
Option meter
Pnk
Power circuit
Red
Right front speed sensor (on right front hub assembly)
Right rear speed sensor (at right rear hub assembly)
Rl+
Rl-
Rr+
Rr-
Skid control ecu w/ actuator (left side of engine compt)
Sp1
Spiral cable (left side of dash)

5.7L

5.7L, Cruise Control Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for 5.7L, Cruise Control Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(left front of engine compt) j/c a44
(left side of dash) j/c a38 & a39
(left side of dash) stop light switch
(right side of engine compt) a4
+b2
+bm
A2 (left side of engine compt)
A24
A38
A39
A43
Accelerator position sensor (column shift: at accelerator pedal assembly)
Batt
Canh
Canl
Ccs
Column shift
Computer data lines system
D1 (rear of engine compt)
D2 (rear of engine compt)
D74
Diode (ignition) (left side of dash)
E01
E02
E03
E04
E05
Efi 1 fuse 25a
Efi relay
Engine control module (right rear of engine compt)
Engine room j/b (left side of engine compt)
Engine room r/b (left side of engine compt)
Epa
Epa2
Eta
Etcs fuse 10a
Floor shift
Ge01
Hot at all times
Hot in on or start
Ign fuse 10a
Igsw
J/c a36 (right side of dash)
J/c a42 & a43 (left side of dash)
J/c a43 (left side of dash)
J/c d73 (right rear of engine compt)
J/c j73 & j74 (left side of dash)
J73
J74
Me01
Met fuse 7.5a
Met-b fuse 5a
Mrel
Park/neutral position switch (left side of dash)
Pnk
Red
Spd
St1-
Stop fuse 15a
Stp
Throttle position sensor (on throttle body)
Vcp2
Vcpa
Vcta
Vpa
Vpa2
Vta1
Vta2

5.7L, Cruise Control Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for 5.7L, Cruise Control Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(column shift: left side of dash) (floor shift: left kick panel) j1
(left side of dash) j/c j78
(rear of engine compt) d1
+res
-set
A45
Cancel
Canh
Canl
Combination meter
Computer data lines system
Cruise control main switch
Cruise control switch
Cruise ind
D55
D73
Dim
Driver side j/b (left side of dash)
Except option meter
Fl+
Fl-
Fr+
Fr-
Hot in on or start
J/c a45 & d73 (right rear of engine compt)
J/c j71 (left side of dash)
J/c j74 (left side of dash)
J/c j79 & j80 (left side of dash)
J2 (center of dash)
J45
J79
J80
Left front speed sensor (on left front hub assembly)
Left rear speed sensor (at left rear hub assembly)
Lh ig fuse 7.5a
On- off
Option meter
Pnk
Power circuit
Red
Right front speed sensor (on right front hub assembly)
Right rear speed sensor (at right rear hub assembly)
Rl+
Rl-
Rr+
Rr-
Skid control ecu w/ actuator (left side of engine compt)
Sp1
Spiral cable (left side of dash)

DEFOGGERS

Front Deicer Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Front Deicer Wiring Diagram for Toyota Tundra Limited 2008:

A/c amplifier (center of dash)
A1 (left front of engine compt)
A42
A43
Ambient temperature sensor (left side of front grille)
B10
Canh
Canl
Computer data lines system
D56
Deicer fuse 20a
Deicer relay
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compt)
Front wiper deicer
Front wiper deicer (left rear of engine compt)
Gnd
Hot at all times
Hot in on or start
Ig+
Integration control & panel assembly
J/c a37 (left side of dash)
J/c a42 & a43 (left side of dash)
J19
J3 (right kick panel)
Lh-ig fuse 7.5a
Lin 1
Mirror heater switch
Pnk
Red
Sg-2
Stx
Tam

Mirror Heater Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Mirror Heater Wiring Diagram for Toyota Tundra Limited 2008:

(right kick panel) j3
A/c amplifier (center of dash)
Ambient temperature sensor (left side of front grille)
Canh
Canl
Computer data lines system
D11
D19
D38
D50
D55
D56
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Gnd
Hot at all times
Hot in on or start
Ig+
Integration control & panel assembly
J/c a37 (left side of dash)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash)
J19
J2 (center of dash)
J73
J74
Left outer rear view mirror
Lh-ig fuse 7.5a
Lin 1
Mhtr
Mir fuse 15a
Mir htr relay
Pnk
Red
Right outer rear view mirror
Sg-2
Stx
Tam

Rear Defogger Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Rear Defogger Wiring Diagram for Toyota Tundra Limited 2008:

A/c amplifier (center of dash)
A1 (left front of engine compt)
A24
Ambient temperature sensor (left side of front grille)
B10
Canh
Canl
Computer data lines system
D56
Def i/up fuse 5a
Defog fuse 40a
Defog relay
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Els2
Engine control module (right rear of engine compt)
Engine room r/b (left side of engine compt)
Gnd
Hot at all times
Hot in on or start
Ig+
Integration control & panel assembly
J/c a37 (left side of dash)
J/c a43 (left side of dash)
J/c a44 (left front of engine compt)
J19
J3 (right kick panel)
Lh-ig fuse 7.5a
Lin1
Noise filter
P10
P2 (left "b" pillar)
Pnk
Rdfe
Rear window defogger
Rear window defogger switch
Red
Sg-2
Stx
Tam

ENGINE PERFORMANCE

4.0L

4.0L, Engine Performance Wiring Diagram (1 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.0L, Engine Performance Wiring Diagram (1 of 6) for Toyota Tundra Limited 2008:

(in air intake) mass air flow meter
(on throttle body) throttle position sensor
(rear of engine compt) d9
(right front of engine) power steering oil pressure switch
(top left of engine) fuel injector 3
(top left of engine) fuel injector 5
(top of engine) fuel injector 1
(top right of engine) fuel injector 2
(top right of engine) fuel injector 4
(top right of engine) fuel injector 6
A1a+
A1a-
A2a+
A2a-
Air fuel ratio sensor (bank 1 sensor 1) (left side of exhaust, before catalytic converter)
Air fuel ratio sensor (bank 2 sensor 1) (right side of exhaust, before catalytic converter)
D74
D8 (rear of engine compt)
E2g
Ekn2
Eknk
Engine control module (right rear of engine compt)
Eta
Etha
Ethw
Ex1b
Ex2b
Ha1a
Ha2a
Heated oxygen sensor (bank 1 sensor 2) (in left side exhaust, after catalytic converter)
Heated oxygen sensor (bank 2 sensor 2) (in right side exhaust, after catalytic converter)
Ht1b
Ht2b
Igf1
Knk1
Knk2
Knock sensor (bank 2) (left front of engine)
M+ red
Me01
Nca
Ne+
Ne-
Nsw
Nt+
Nt-
Ox1b
Ox2b
Pnk
Ppmp
Psw
Red
Sp2+
Sp2-
Tha
Tho1
Tho2
Thw
Transmission revolution sensor (turbine) (in transmission)
Vcta
Vcv1
Vcv2
Vta1
Vta2
Vv1+
Vv1-
Vv2+
Vv2-

4.0L, Engine Performance Wiring Diagram (2 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.0L, Engine Performance Wiring Diagram (2 of 6) for Toyota Tundra Limited 2008:

(left front of engine compt) engine coolant temperature sensor
(left front of engine compt) j/c a44
(top front of engine) vvt sensor (bank 1)
(top front of engine) vvt sensor (bank 2)
A/f fuse 15a
A/f relay
A/pump fuse 50a
A2 (left front of engine compt)
Acis vsv (rear of engine)
Camshaft timing oil control valve (bank 1) (left front of engine)
Camshaft timing oil control valve (bank 2) (left front of engine)
Crankshaft position sensor (front of engine)
D9 (rear of engine compt)
Efi 1 fuse 25a
Efi relay
Engine room j/b (left side of engine compt)
Hot at all times
J/c d71 (right rear of engine compt)
Knock sensor (bank 1) (right front of engine)
Nca
Purge vsv (center of engine)
Red
Vvl+
Vvl-
Vvr+
Vvr-

4.0L, Engine Performance Wiring Diagram (3 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.0L, Engine Performance Wiring Diagram (3 of 6) for Toyota Tundra Limited 2008:

(front of engine compt) air pump (bank 1)
(left rear of engine compt) air injection control driver (bank 1)
(left rear of engine compt) air injection control driver (bank 2)
(rear of engine compt) d8
(rear of engine) air switching valve (bank 1)
(rear of engine) air switching valve (bank 2)
(right front of engine compt) air pump (bank 2)
+b d55
+b2
+bl
Acis
Aip
Aip2
Airp
Arp2
Bat2
Batt
D10 (front of engine)
D49
D53
D74
D8 (rear of engine compt)
D9 (rear of engine compt)
Di2
E03
E2 d51
E22
Engine control module (right rear of engine compt)
Gnd
Gndl
Igf
Ignition coil 2 (top right of engine)
Ignition coil 3 (top left of engine)
Ignition coil 5 (top left of engine)
Igt2
Igt3
Igt5
J/c d72 (right rear of engine compt)
Noise filter (ignition bank 1) (left rear of engine)
Oc1+
Oc1-
Oc2+
Oc2-
Pnk
Prg
Red
Sip
Sip2
Siv
Siv2
Vc2
Vp2
Vv2

4.0L, Engine Performance Wiring Diagram (4 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.0L, Engine Performance Wiring Diagram (4 of 6) for Toyota Tundra Limited 2008:

(near fuel tank) canister pump module
(rear of engine compt) d9
A/pump fuse 50a
A38
A42
A43
Automatic transmission
Canister pressure sensor
Efi 2 fuse 10a
Engine room j/b (left side of engine compt)
Engine room r/b (left side of engine compt)
Etcs fuse 10a
Hot at all times
Hot in on or start
Ign fuse 10a
Inj fuse 10a
J/c a38 & a39 (left side of a39 dash)
J/c a42 & a43 (left side of dash)
J/c a43 (left side of dash)
Leak detection pump
Ot+
Ot-
Ot2+
Ot2-
Pnk
Red
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Stop fuse 15a
Stop light switch (left side of dash)
Transmission revolution sensor (electronically controlled transmission) (in transmission)
Vent valve

4.0L, Engine Performance Wiring Diagram (5 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.0L, Engine Performance Wiring Diagram (5 of 6) for Toyota Tundra Limited 2008:

(rear of engine compt) d8
(rear of engine compt) d9
+bm
A/t oil temp ind
A40
A41
A45
Acc
Aid2
Aidi
Airv
Alt
Anti-lock brakes system
Buzzer
Canh
Canl
Combination meter
Computer data lines system
D73
D74
D9 (rear of engine compt)
Dim
Diode (starting) (right side of dash)
E01
E02
E04
E05
Engine control module (right rear of engine compt)
Ge01
Ha1a
Ha2a
Hot at all times
Ht1b
Ht2b
Ignition switch
Igt1
Igt2
Igt3
Igt4
Igt5
Igt6
J/b 3 (right side of dash)
J/c a40 & a41 (right side a41 of dash)
J/c a45 & d73 (right rear of engine d73 compt)
J/c j71 (left side of dash)
J/c j77 (center of dash)
J/c j78 (left side of dash)
Lcd (sequential shift)
Left side of dash) (floor shift: left kick panel) j1
Lock
Mal- function ind
Off
Park/neutral position switch (on transmission)
Pnk
Power circuit
Red
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Star
Start
Starting/ charging system
Starting/charging system

4.0L, Engine Performance Wiring Diagram (6 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.0L, Engine Performance Wiring Diagram (6 of 6) for Toyota Tundra Limited 2008:

(at fuel tank) fuel pump control ecu
(at fuel tank) fuel sender gauge
(left side of dash) j/c j74
+b2
A24
A4 (right side of engine compt)
Ac1
Acc fuse 7.5a
Accelerator pedal position sensor (at accelerator pedal assembly)
Act
Aip
Aip2
Air conditioning system
Arv2
Batt
C/opn relay
Canh
Canl
Column shift
Computer data lines system
D55
D9 (rear of engine compt)
Diode (ignition) (left side of dash)
Driver side j/b (left side of dash)
Engine control module (right rear of engine compt)
Engine room r/b (left side of engine compt)
Epa
Epa2
Floor
Floor shift
Fp-
Fpc
Gnd
Hot in on or acc
Hot in on or start
Igf
Ignition coil (top left of engine)
Ignition coil (top right of engine)
Igsw
Igt1
Igt4
Igt6
Ill+
Ill-
Interior lights system
J/c a36 (right side of dash)
J/c d72 (right rear of engine compt)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j73 & j74 (left side of dash) j73
J/c j79 & j80 (left side of dash)
J3 (right kick panel)
J73
J74
J79
J80
Lh-ig fuse 7.5a
Met fuse 7.5a
Mpmp
Mrel
Noise filter (ignition bank 2) (right rear of engine)
Pnk
Pump
Red
Sftd
Sftu
Shift
Spd
St1-
Sta
Starting/charging system
Stp
Stsw
Tach
Transmission control switch
Vcp2
Vcpa
Vpa
Vpa2
Vpmp

4.7L

4.7L, Engine Performance Wiring Diagram (1 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.7L, Engine Performance Wiring Diagram (1 of 6) for Toyota Tundra Limited 2008:

(in air intake) mass air flow meter
(on throttle body) throttle position sensor
(top left of engine) fuel injector 3
(top left of engine) fuel injector 5
(top left of engine) fuel injector 7
(top of engine) fuel injector 1
(top right of engine) fuel injector 2
(top right of engine) fuel injector 4
(top right of engine) fuel injector 6
(top right of engine) fuel injector 8
A1a+
A1a-
A2a+
A2a-
Air fuel ratio sensor (bank 1 sensor 1) (left side of exhaust, before catalytic converter)
Air fuel ratio sensor (bank 2 sensor 1) (right side of exhaust, before catalytic converter)
D4 (rear of engine compt)
D74
E2g
Ekn2
Eknk
Engine control module (right rear of engine compt)
Eta
Etha
Ethw
Ex1b
Ex2b
G2-
Ha1a
Ha2a
Heated oxygen sensor (bank 1 sensor 2) (in left side exhaust, after catalytic converter)
Heated oxygen sensor (bank 2 sensor 2) (in right side exhaust, after catalytic converter)
Ht1b
Ht2b
Igf1
Igf2
J/c d71 (right rear of engine compt)
Knk1
Knk2
Knock sensor (bank 2)
Me01
Nca
Ne+
Ne-
Nsw
Nt+
Nt-
Ox1b
Ox2b
Pnk
Ppmp
Psp
Red
Sp2+
Sp2-
Tha
Tho1
Tho2
Thw
Transmission revolution sensor (turbine) (in transmission)
Vc red
Vcta
Vta1
Vta2
Vv1+
Vv1-
Vv2+
Vv2-

4.7L, Engine Performance Wiring Diagram (2 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 6) for Toyota Tundra Limited 2008:

(left front of engine compt) j/c a44
(left side of engine compt) vvt sensor (bank 1)
(right front of engine compt) engine coolant temperature sensor
(right side of engine compt) vvt sensor (bank 2)
A/f fuse 15a
A/f relay
A/pump fuse 50a
A2 (left front of engine compt)
Acis vsv (rear of engine)
Camshaft position sensor (left front of engine)
Camshaft timing oil control valve (bank 1) (left front of engine)
Camshaft timing oil control valve (bank 2) (right front of engine)
Crankshaft position sensor (left front of engine)
D5 (left side of engine)
D6 (rear of engine compt)
Efi 1 fuse 25a
Efi relay
Engine room j/b (left side of engine compt)
Hot at all times
J/c d71 (right rear of engine compt)
Knock sensor (bank 1)
Nca
Purge vsv (left side of engine)
Red

4.7L, Engine Performance Wiring Diagram (3 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 6) for Toyota Tundra Limited 2008:

(left rear of engine compt) air injection control driver (bank 1)
(left side of engine compt) air injection control driver (bank 2)
(rear of engine compt) d4
(rear of engine) air switching valve (bank 1)
(rear of engine) air switching valve (bank 2)
(right front of engine compt) air pump (bank 2)
(right front of engine) power steering oil pressure sensor
(right rear of engine compt) j/c d71
(right side of engine) d7
(top of engine) air pump (bank 1)
+b d50
+b2
+bl
Acis
Aip
Aip2
Airp
Arp2
Bat2
Batt
D48
D5 (left side of engine)
D52
D6 (rear of engine compt)
D7 (right side of engine)
D74
Di2
E03
E1 (rear of engine compt)
E2 d54
E22
Engine control module (right rear of engine compt)
Gnd
Gndl
Igf2
Ignition coil (top left of engine)
Ignition coil (top right of engine)
Igt2
Igt3
Igt5
Igt8
J/c d72 (right rear of engine compt)
Noise filter (ignition bank 1) (left rear of engine)
Oc1+
Oc1-
Oc2+
Oc2-
Pnk
Prg
Psp
Red
Sip
Sip2
Siv
Siv2
Vc2
Vp2
Vv2

4.7L, Engine Performance Wiring Diagram (4 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 6) for Toyota Tundra Limited 2008:

(near fuel tank) canister pump module
A/pump fuse 50a
A38
A42
A43
Automatic transmission
Canister pressure sensor
Efi 2 fuse 10a
Engine room j/b (left side of engine compt)
Engine room r/b (left side of engine compt)
Etcs fuse 10a
Hot at all times
Hot in on or start
Ign fuse 10a
Inj fuse 10a
J/c a38 & a39 (left side of a39 dash)
J/c a42 & a43 (left side of dash)
J/c a43 (left side of dash)
Leak detection pump
Pnk
Red
Stop fuse 15a
Stop light switch (left side of dash)
Transmission revolution sensor (electronically controlled transmission) (in transmission)
Vent valve

4.7L, Engine Performance Wiring Diagram (5 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 6) for Toyota Tundra Limited 2008:

(rear of engine compt) d6
(right
+bm
A/t oil temp ind
A40
A41
A45
Acc
Aid2
Aidi
Airv
Alt
Anti-lock brakes system
Buzzer
Canh
Canl
Combination meter
Computer data lines system
D73
D74
Dim
Diode (starting) (right side of dash)
E01
E02
E04
E05
Engine control module (right rear of engine compt)
Ge01
Ha1a
Ha2a
Hot at all times
Ht1b
Ht2b
Ignition switch
Igt1
Igt2
Igt3
Igt4
Igt5
Igt6
Igt7
Igt8
J/b 3 (right side of dash)
J/c a40 & a41 (right side a41 of dash)
J/c a45 & d73 (right rear of engine compt) d73
J/c j71 (left side of dash)
J/c j77 (center of dash)
J/c j78 (left side of dash)
Lcd (sequential shift)
Left side of dash) (floor shift: left kick panel) j1
Lock
Mal- function ind
Off
Park/neutral position switch (on transmission)
Pnk
Power circuit
Red
Side of engine) d7
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Star
Start
Starting/ charging system
Starting/charging system

4.7L, Engine Performance Wiring Diagram (6 of 6) for Toyota Tundra Limited 2008

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List of elements for 4.7L, Engine Performance Wiring Diagram (6 of 6) for Toyota Tundra Limited 2008:

(at fuel tank)
(at fuel tank) fuel sender gauge
(left side of dash) j/c j74
+b2
A24
A4 (right side of engine compt)
A4 (right side of engine) compt)
Ac1
Acc fuse 7.5a
Accelerator pedal position sensor (at accelerator pedal assembly)
Act
Aip
Aip2
Air conditioning system
Anti-theft system
Arv2
Batt
C/opn relay
Canh
Canl
Column shift
Computer data lines system
D55
D6 (rear of engine compt)
Diode (ignition) (left side of dash)
Driver side j/b (left side of dash)
Engine control module (right rear of engine compt)
Engine room r/b (left side of engine compt)
Epa
Epa2
Floor shift
Fp-
Fpc
Fuel pump control ecu
Gnd
Hot in on or acc
Hot in on or start
Igf1
Ignition coil (top left of engine)
Ignition coil (top right of engine)
Igsw
Igt1
Igt4
Igt6
Igt7
Imi
Imo
Instrument cluster system
Interior lights system
J/c a36 (right side of dash)
J/c d72 (right rear of engine compt)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j73 & j74 (left side of dash) j73
J/c j79 & j80 (left side of dash)
J3 (right kick panel)
J73
J74
J79
J80
Lh-ig fuse 7.5a
Met fuse 7.5a
Mpmp
Mrel
Noise filter (ignition bank 2) (right rear of engine)
Pnk
Pump
Red
Sftd
Sftu
Spd
St1-
Sta
Starting/charging system
Stp
Stsw
Tach
Tfn
Transmission control switch
Transmissions system
Vcp2
Vcpa
Vpa
Vpa2
Vpmp

5.7L

5.7L, Engine Performance Wiring Diagram (1 of 7) for Toyota Tundra Limited 2008

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List of elements for 5.7L, Engine Performance Wiring Diagram (1 of 7) for Toyota Tundra Limited 2008:

(in air intake) mass air flow meter
(on throttle body) throttle position sensor
(top left of engine) fuel injector 3
(top left of engine) fuel injector 5
(top left of engine) fuel injector 7
(top of engine) fuel injector 1
(top right of engine) fuel injector 2
(top right of engine) fuel injector 4
(top right of engine) fuel injector 6
(top right of engine) fuel injector 8
A1a+
A1a-
A2a+
A2a-
Air fuel ratio sensor (bank 1 sensor 1) (left side of exhaust, before catalytic converter)
Air fuel ratio sensor (bank 2 sensor 1) (right side of exhaust, before catalytic converter)
D1 (rear of engine compt)
D2 (rear of engine compt)
D74
E2g
Ekn2
Ekn4
Eknk
Engine control module (right rear of engine compt)
Enk3
Eta
Etha
Ethw
Ev1+
Ev1-
Ex1b
Ex2b
G2-
Ha1a
Ha2a
Heated oxygen sensor (bank 1 sensor 2) (in left side exhaust, after catalytic converter)
Heated oxygen sensor (bank 2 sensor 2) (in right side exhaust, after catalytic converter)
Ht1b
Ht2b
Igf1
Igf2
J/c d71 (right rear of engine compt)
Knk1
Knk2
Knk3
Knk4
Knock sensor (bank 2 sensor 1) (left front of engine)
Me01
Nca
Ne+
Ne-
Nsw
Nt+
Nt-
Ox1b
Ox2b
Pnk
Ppmp
Psp
Red
Sp2+
Sp2-
Tha
Tho1
Tho2
Thw
Transmission revolution sensor (turbine) (in transmission)
Vcta
Vcv1
Vcv2
Vta
Vta1
Vta2
Vv1+
Vv1-
Vv2+
Vv2-

5.7L, Engine Performance Wiring Diagram (2 of 7) for Toyota Tundra Limited 2008

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List of elements for 5.7L, Engine Performance Wiring Diagram (2 of 7) for Toyota Tundra Limited 2008:

(left front of engine compt) engine coolant temperature sensor
(left front of engine compt) j/c a44
(left side of engine compt) vvt sensor (bank 1 exhaust side)
(left side of engine vvt sensor (bank 1 intake side)
A/f fuse 15a
A/f relay
A/pump fuse 50a
A2 (left side of engine compt)
Camshaft position sensor (left front of engine)
Crankshaft position sensor (left rear of engine)
Efi 1 fuse 25a
Efi relay
Engine room j/b (left side of engine compt)
Ex+
Ex-
Hot at all times
J/c d71 (right rear of engine compt)
Knock sensor (bank 1 sensor 2) (right rear of engine)
Knock sensor (bank 2 sensor 1) (left front of engine)
Knock sensor (bank 2 sensor 2) (left rear of engine)
Ne+
Ne-
Purge vsv (center of engine)
Red
Vc2
Vvl+
Vvl-

5.7L, Engine Performance Wiring Diagram (3 of 7) for Toyota Tundra Limited 2008

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List of elements for 5.7L, Engine Performance Wiring Diagram (3 of 7) for Toyota Tundra Limited 2008:

(left side of engine compt) air injection control driver (bank 2)
(rear of engine compt) d1
(rear of engine compt) d2
(right front of engine compt) air pump (bank 2)
(right side of engine compt) vvt sensor (bank 2 exhaust side)
(right side of engine) vvt sensor (bank 2 intake side)
+b2
Acis
Acis vsv (rear of engine)
Airp
Arp2
Bat2 d52
Camshaft timing oil control valve (bank 1 exhaust side)
Camshaft timing oil control valve (bank 1 intake side)
Camshaft timing oil control valve (bank 2 exhaust side) (right front of engine)
Camshaft timing oil control valve (bank 2 intake side) (right front of engine)
D74
Di2
E03
E2 d54
Engine control module (right rear of engine compt)
Ev2+
Ev2-
Ex+
Ex-
Oc1+
Oc1-
Oc2+
Oc2-
Oe1+
Oe1-
Oe2+
Oe2-
Pnk
Prg
Red
Sip2
Siv2
Vc2
Vp2
Vv2
Vvr+
Vvr-

5.7L, Engine Performance Wiring Diagram (4 of 7) for Toyota Tundra Limited 2008

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List of elements for 5.7L, Engine Performance Wiring Diagram (4 of 7) for Toyota Tundra Limited 2008:

(front of engine compt) air pump (bank 1)
(left rear of engine compt) air injection control driver (bank 1)
(rear of engine compt) d3
(rear of engine) air switching valve (bank 1)
(right front of engine) power steering oil pressure sensor
+b d50
+bl
Aip
Aip2
Air switching valve (bank 2)
Batt
D3 (rear of engine compt)
E22
Gnd
Gndl
Igf2
Ignition coil 2 (top right of engine)
Ignition coil 3 (top left of engine)
Ignition coil 5 (top left of engine)
Ignition coil 8 (top right of engine)
Igt2
Igt3
Igt5
Igt8
J/c d72 (right rear of engine compt)
Noise filter (ignition bank 1) (left rear of engine)
Pnk
Psp
Red
Sip
Siv
Vc2
Vp d48

5.7L, Engine Performance Wiring Diagram (5 of 7) for Toyota Tundra Limited 2008

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List of elements for 5.7L, Engine Performance Wiring Diagram (5 of 7) for Toyota Tundra Limited 2008:

(near fuel tank) canister pump module
(rear of engine compt) d2
A/pump fuse 50a
A38
A42
A43
Automatic transmission
Canister pressure sensor
D63 s3
D63 sl1+
D64 sl2+
Efi 2 fuse 10a
Engine room j/b (left side of engine compt)
Engine room r/b (left side of engine compt)
Etcs fuse 10a
Hot at all times
Hot in on or start
Ign fuse 10a
Inj fuse 10a
J/c a38 & a39 (left side of a39 dash)
J/c a42 & a43 (left side of dash)
J/c a43 (left side of dash)
Leak detection pump
Ot+
Ot2+
Ot2-
Pnk
Red
Sl1-
Sl2-
Slt+
Slt-
Slu+
Slu-
Stop fuse 15a
Stop light switch (left side of dash)
Transmission revolution sensor (electronically controlled transmission) (in transmission)
Vent valve

5.7L, Engine Performance Wiring Diagram (6 of 7) for Toyota Tundra Limited 2008

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List of elements for 5.7L, Engine Performance Wiring Diagram (6 of 7) for Toyota Tundra Limited 2008:

(rear
(rear of engine compt) d1
+bm
A/t oil temp ind
A40
A41
A45
Acc
Aid2
Aidi
Airv
Alt
Anti-lock brakes system
Buzzer
Canh
Canl
Combination meter
Computer data lines system
D2 (rear of engine compt)
D73
D74
Dim
Diode (starting) (right side of dash)
E01
E02
E04
E05
Engine control module (right rear of engine compt)
Ge01
Ha1a
Ha2a
Hot at all times
Ht1b
Ht2b
Ignition switch
Igt1
Igt2
Igt3
Igt4
Igt5
Igt6
Igt7
Igt8
Interior lights system
J/b 3 (right side of dash)
J/c a40 & a41 (right side of dash)
J/c a45 & d73 (right rear of engine compt) d73
J/c j71 (left side of dash)
J/c j77 (center of dash)
J/c j78 (left side of dash)
J3 (right kick panel)
Lcd (sequential shift)
Left side of dash) (floor shift: left kick panel) j1
Lock
Malfunction ind
Of engine compt) d2
Off
Park/neutral position switch (on transmission)
Pnk
Power circuit
Red
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Star
Start
Starting/ charging system
Starting/charging system
Tow/haul pattern select switch (floor shift)

5.7L, Engine Performance Wiring Diagram (7 of 7) for Toyota Tundra Limited 2008

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List of elements for 5.7L, Engine Performance Wiring Diagram (7 of 7) for Toyota Tundra Limited 2008:

(left side of dash) j/c j74
(left side of engine compt) a2
+b2
A24
A4 (right side of engine compt)
Ac1
Acc fuse 7.5a
Accelerator pedal position sensor (at accelerator pedal assembly)
Act
Aip
Aip2
Air conditioning system
Anti-theft system
Arv2
Batt
C/opn relay
Canh
Canl
Column shift
Computer data lines system
D3 (rear of engine compt)
D55
Diode (ignition) (left side of dash)
Driver side j/b (left side of dash)
Engine control module (right rear of engine compt)
Engine room r/b (left side of engine compt)
Epa
Epa2
F/pmp fuse 15a
F/pmp relay
Floor shift
Fp-
Fpc
Fuel pump control ecu (at fuel tank)
Fuel sender gauge (at fuel tank)
Gnd
Hot at all times
Hot in on or acc
Hot in on or start
Igf1
Ignition coil 1 (top left of engine)
Ignition coil 4 (top right of engine)
Ignition coil 6 (top right of engine)
Ignition coil 7 (top left of engine)
Igsw
Igt1
Igt4
Igt6
Igt7
Ill+
Ill-
Imi
Imo
Instrument cluster system
Interior lights system
J/c a36 (right side of dash)
J/c a44 (left front of engine compt)
J/c d72 (right rear of engine compt)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j73 & j74 (left side of dash) j73
J/c j79 & j80 (left side of dash)
J3 (right kick panel)
J73
J74
J79
J80
Lh-ig fuse 7.5a
Met fuse 7.5a
Mpmp
Mrel
Noise filter (ignition bank 2) (right rear of engine)
Pnk
Pump
Pwr
Red
Sftd
Sftu
Spd
St1-
Sta
Starting/charging system
Stp
Stsw
Tach
Tfn
Transmission control switch
Transmissions system
Vcp2
Vcpa
Vpa
Vpa2
Vpmp

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Backup Lamps Wiring Diagram for Toyota Tundra Limited 2008:

Acc fuse 7.5a
Back- up light
Backup light relay (column shift: left side of dash)
Bk/up lp fuse 10a
Column shift
D55
D65
Diode (ignition) (column shift) (left side of dash)
Driver side j/b (left side of dash)
Floor shift
Hot in on or acc
Hot in on or start
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j74 (left side of dash)
J/c j77 (center of dash)
J2 (center of dash)
J73
J74
Left rear combination light
Lh-ig fuse 7.5a
Park/ neutral position switch (on transmission)
R1 (double cab: right rear of vehicle) (regular cab: in tailgate)
Red
Right rear combination light

Exterior Lamps Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(center of dash) j2
(left side of dash) j/c a38
(left side of dash) j/c j79 & j80
(right side of dash) j/c a40 & a41
A1 (left front of engine compt)
A40
A41
Brk relay
Brk relay 1
Bsw
Canh
Canl
Cargo light & high mounted stop light
Combination meter
Computer data lines system
Cruise control system
Ecu-b1 fuse 7.5a
Engine room r/b (left side of engine compt)
High mounted stop light
Hot at all times
Hot in on or start
Ig+
J/c j78 (left side of dash)
J79
J80
Left front parking light & turn signal light
Left license plate light
Left rear combination light
Left turn ind
Met fuse 7.5a
Met-b fuse 5a
P2 (left "b" pillar)
Parking
Pnk
Power circuit
R1 (double cab: right rear of vehicle) (regular cab: in tailgate)
Red
Right license plate light
Right rear combination light
Right turn ind
Skid control ecu w/ actuator (left side of engine compt)
Stop
Stop fuse 15a
Stop light switch (left side of dash)
Stpo
Tail
Tail ind (except usa)
Turn
Turn haz fuse 15a

Exterior Lamps Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(center of dash) j/c j81 & j82
5.7l
A3 (right side of engine compt)
Acc
Acc fuse 7.5a
Alt fuse 140a
Altb
Auto
B13
B17
Becu
C22
Canh
Canl
Computer data lines system
D55
D62
Dcty
Dr/lck fuse 25a
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Ecu-ig 2 fuse 7.5a
Engine room j/b (left side of engine compt)
Except 5.7l
Flasher relay (left side of dash)
Gnd1
Gnd2
Haz
Hazard warning signal switch
Head
Headlight dimmer switch assembly
Hot at all times
Hot in on or acc
Hot in on or start
Interior lights system
J/c a39 (left side of dash)
J/c a42 (left side of dash)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j78 (left side of dash)
J/c j79 & j80 (left side of dash)
J2 (center of dash)
J3 (right kick panel)
J73
J74
J79
J80
J81
J82
Lcty
Left
Left front side marker light
Left outer rear view mirror
Lh-ig fuse 7.5a
Lh-j/b fuse 150a
Light control switch
Ltot
Ltrn
Main body ecu (left side of dash)
Off
Parking
Pcty
Pnk
Red
Right
Right front parking light & turn signal light
Right front side marker light
Right outer rear view mirror
Rrcy
Rtot
Rtrn
Stin
Tail
Tail fuse 15a
Tail relay
Trailer tow circuit
Trly
Turn
Turn signal switch

Trailer Tow Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Trailer Tow Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(left side of dash) j/c a38
A2 (5.7l: left side of engine compt) (except 5.7l: left front of engine compt)
B/up
Backup lamps circuit
Batt
Brk
Brk relay
Brk relay 1
Bsw
Cruise control system
Engine room r/b (left side of engine compt)
Except towing package
Gnd
Hot at all times
J/c a41 (right side of dash)
J/c a44 (left front of engine compt)
J/c j78 (left side of dash)
J/c j79 & j80 (left side of dash)
J2 (center of dash)
J79
J80
R1 (double cab: right rear of vehicle) (regular cab: in tailgate)
Red
Skid control ecu w/ actuator (left side of engine compt)
Stop
Stop fuse 15a
Stop light switch (left side of dash)
Stpo
Sttl
Sttr
Sub batt fuse 40a
Sub batt relay (towing package)
Tail
Tow brk fuse 30a
Towing brake controller (left side of dash)
Towing fuse 30a
Towing package
Trailer socket (left side of rear bumper)

Trailer Tow Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Trailer Tow Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

5.7l
A38
A39
A42
A43
Alt fuse 140a
Auto
B17
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine room j/b (left side of engine compt)
Engine room r/b (left side of engine compt)
Except 5.7l
Flasher relay (left side of dash)
Haz
Hazard warning signal switch
Head
Headlight dimmer switch assembly
Hot at all times
Hot in on or start
J/c a38 & a39 (left side of dash)
J/c a42 & a43 (left side of dash)
J/c j79 & j80 (left side of dash)
J2 (center of dash)
J3 (right kick panel)
J79
J80
Left
Lh-j/b fuse 150a
Light control switch
Ltot
Main body ecu (left side of dash)
Off
Pnk
Red
Right
Rtot
Stin
Tail
Tail fuse 15a
Tail relay
Tow tail fuse 30a
Tow tail relay
Trly
Turn signal switch

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Toyota Tundra Limited 2008

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List of elements for Ground Distribution Wiring Diagram (1 of 4) for Toyota Tundra Limited 2008:

(crew max)
(crew max) back p/w 1 relay
(crew max) back p/w 2 relay
(if equipped)
(left side of engine compt) engine room j/b
(left side of engine compt) engine room r/b
(w/o door lock control)
4wd control ecu
5.7l
5.7l w/ floor shift
A/c pressure switch
A/f relay
A1 (left front of engine compt)
A2 (5.7l: left side of engine compt) (except 5.7l: left front of engine compt)
A24
A26
A3 (right side of engine compt)
A4 (right side of engine compt)
Blower motor
Brake fluid level warning switch
Cargo light switch
Center air bag ecu
Clearance sonar ecu
D16
D28
Defog relay
Driver side j/b (left side of dash)
Efi relay
Engine control module
Except trailer package
F/pmp relay
Front window regulator motor
Front wiper deicer
Fuel pump control ecu
Glove box illumination light
Headlight dimmer switch assembly
Hood courtesy switch
Ig2 relay
J12
J24
J25
J3 (right kick panel)
J4 (w/ memory) (left side of dash)
J46
Junction connector a36 (right side of dash)
Junction connector a44 (left front of engine compt)
Junction connector j77 (center of dash)
Left fog light
Left front parking/ turn signal light
Left front side marker light
Left high headlight
Left license plate light
Left low headlight
Left rear combination light
Noise filter
Power window regulator
R1 (double cab: right rear of vehicle) (regular cab: in tailgate)
Right fog light
Right front parking/ turn signal light
Right front side marker light
Right high headlight
Right license plate light
Right low headlight
Right rear combination light
Shift lock control ecu
Skid control w/ actuator
St relay
Sub batt relay
Switch (for back window)
To curtain air bag cutoff switch (diagram 3 of 4)
To ground j2 (diagram 2 of 4)
Tow/haul pattern select switch
Towing package
Trailer package
Trailer socket
Transmission control switch
Unlock warning switch
W/ column shifter
W/ floor shifter
Washer fluid level sensor
Windshield wiper switch
Wireless door lock buzzer

Ground Distribution Wiring Diagram (2 of 4) for Toyota Tundra Limited 2008

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List of elements for Ground Distribution Wiring Diagram (2 of 4) for Toyota Tundra Limited 2008:

(double cab) left vanity light
(double cab) right vanity light
(double cab) room lamp
(w/ column shift) transmission control switch
(w/ door lock control) unlock warning switch
(w/ floor shift) key interlock solenoid
(w/ rear seat entertainment) television display
(w/ seat position memory)
(w/ seat position memory) left front seat control ecu & switch
(w/ towing package & column shift) backup light relay
(w/o seat position memory) left front power seat switch
4wd control switch
Acc relay
Accessory meter assembly
Air pump (bank 1)
Air pump (bank 2)
Cargo light high mounted stop light
Center air bag ecu
Cigarette lighter
Combination meter
D10 (4.0l) (front of engine)
D30
D62
Dlc 3
Double cab
Driver monitor switch
Driver side j/b (left side of dash)
E1 (4.7l) (rear of engine compt)
Flasher relay
From ground j3 (diagram 1 of 4)
Glass breakage sensor ecu
Hazard warning signal switch
Ig1 1 relay
Ig1 2 relay
Ig1 3 relay
Inner mirror
Inverter relay
J1 (column shift: left side of dash) (floor shift: left kick panel)
J2 (center of dash)
J46
Junction connector j78 (left side of dash)
Left front door lock motor
Left front power seat switch (lumbar support control)
Left front power seat switch (seat cushion control)
Left front seat heater
Left outer rear view mirror
Left rear door lock motor
Left seat heater switch
Main body ecu
Multiplex tilt & telescopic ecu
Outer mirror control ecu
Outer mirror switch
P/w relay
P1 (left "b" pillar)
P2 (left "b" pillar)
Power window regulator master switch
Rear window defogger
Regular cab
Right front door lock motor
Right front door lock switch
Right outer rear view mirror
Right seat heater switch
Roof console box assembly
Room lamp switch
Sliding roof control ecu
Steering angle sensor
Tire pressure warning ecu
Tire pressure warning reset switch
Towing brake control
Voltage inverter
Vsc off switch
W/ seat position memory
W/o seat position memory

Ground Distribution Wiring Diagram (3 of 4) for Toyota Tundra Limited 2008

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List of elements for Ground Distribution Wiring Diagram (3 of 4) for Toyota Tundra Limited 2008:

(if equipped) navigation receiver assembly
(w/o navigation) radio receiver assembly
A/c amplifier
A45
Ac power main switch
Add actuator
Air fuel ratio sensor (bank 1 sensor 1) shield
Air fuel ratio sensor (bank 2 sensor 1) shield
Air injection control driver (bank 1)
Air injection control driver (bank 2)
Air pump (bank 2)
Air switching valve (bank 1)
Air switching valve (bank 2)
Camshaft position sensor shield
Canister pump module
Crank- shaft position sensor shield
Curtain air bag cutoff switch
D4 (4.7l) (rear of engine compt)
D5 (4.7l) (left side of engine)
D50
D54
D6 (4.7l) (rear of engine compt)
D67
D68
D7 (4.7l) (right side of engine)
D73
D74
Dlc 3
Door control receiver
Engine control module
From junction connector j77 (diagram 1 of 4)
Heated oxygen sensor (bank 1 sensor 2) shield
Heated oxygen sensor (bank 2 sensor 2) shield
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Integration control & panel assembly
J19
J45
J79
J80
Junction connector a45 & d73 (right rear of engine compt)
Junction connector d71 (right rear of engine compt)
Junction connector j79 & j80 (left side of dash)
Junction connector y14 (separate seat: in right front seat)
K1 (center of dash)
K17
K18
K2 (column shift: left side floor) (floor shift: center console)
Knock sensor (bank 1) shield
Knock sensor (bank 2) shield
Noise filter (ignition bank 1)
Noise filter (ignition bank 2)
Occupant detection ecu
Power outlet socket 1
Power outlet socket 2
Power outlet socket 3
Power source control ecu
Q1 (right "b" pillar)
Q11
Q2 (double cab: right "c" pillar) (regular cab: right "b" pillar)
Radio receiver assembly
Right front power seat switch
Right front power seat switch (lumbar support control)
Right front seat heater
Right rear door lock motor
Roof console box assembly shield
Spiral cable
Stereo component amplifier
Transfer shift actuator
Transponder key ecu
Vvt sensor (bank 1) shield
Vvt sensor (bank 2) shield
W/ power seat
W/o power seat

Ground Distribution Wiring Diagram (4 of 4) for Toyota Tundra Limited 2008

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List of elements for Ground Distribution Wiring Diagram (4 of 4) for Toyota Tundra Limited 2008:

A45
Add actuator
Air fuel ratio sensor (bank 1 sensor 1) shield
Air fuel ratio sensor (bank 2 sensor 1) shield
Air injection control driver (bank 1)
Air injection control driver (bank 2)
Air pump (bank 1)
Air pump (bank 2)
Air switching valve (bank 1)
Air switching valve (bank 2)
Canister pump module
Crank- shaft position sensor shield
D1 (5.7l) (rear of engine compt)
D2 (5.7l) (rear of engine compt)
D3 (5.7l) (rear of engine compt)
D50
D51
D54
D55
D67
D68
D73
D74
D8 (4.0l) (rear of engine compt)
D9 (4.0l) (rear of engine compt)
Dlc 3
Engine control module
Heated oxygen sensor (bank 1 sensor 2) shield
Heated oxygen sensor (bank 2 sensor 2) shield
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
J45
J79
J80
Junction connector a45 & d73 (right rear of engine compt)
Junction connector d71 (right rear of engine compt)
Junction connector j79 & j80 (left side of dash)
Knock sensor (bank 1 sensor 1) shield
Knock sensor (bank 1 sensor 2) shield
Knock sensor (bank 1) shield
Knock sensor (bank 2 sensor 1) shield
Knock sensor (bank 2 sensor 2) shield
Knock sensor (bank 2) shield
Noise filter (ignition bank 1)
Noise filter (ignition bank 2)
Spiral cable
Transfer shift actuator

HEADLIGHTS

Headlights Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Headlights Wiring Diagram for Toyota Tundra Limited 2008:

(left front of engine compt) a1
(left side of dash) driver side j/b
(usa) head ind
A1 (left front of engine compt)
A3 (right side of engine compt)
A38
A39
Acc
Acc fuse 7.5a
Altb
Auto
B11
B13
B16
B18
Beam ind
Becu
Canh
Canl
Cltb
Clte
Clts
Combination meter
Computer data lines system
D13
D62
Dcty
Dim
Dim relay
Dimmer switch
Dr/lck fuse 25a
Drl
Ecu-b1 fuse 7.5a
Ecu-ig 2 fuse 7.5a
Engine room j/b (left side of engine compt)
Engine room r/b (left side of engine compt)
Exterior lights system
Ffgo
Ffog
Flash
Fog fuse 15a
Fog light switch
Fog relay
Gnd1
Gnd2
Head
Head relay
Headlight dimmer switch assembly
High
Hot at all times
Hot in on or acc
Hot in on or start
Hrly
Ig+
Interior lights system
J/c a36 (right side of dash)
J/c a38 & a39 (left side of dash)
J/c j78 (left side of dash)
J2 (center of dash)
J3 (right kick panel)
Lcty
Left (high) head fuse 15a
Left (low) head fuse 15a
Left fog light
Left headlight (high)
Left headlight (low)
Light control sensor (left side of dash)
Light control switch
Low
Main body ecu (left side of dash)
Main fuse 40a
Met fuse 7.5a
Met-b fuse 5a
Off
Parking brake switch (w/ daytime running light) (left side of dash)
Pcty
Pkb
Pnk
Power circuit
Red
Right (high) head fuse 15a
Right (low) head fuse 15a
Right fog light
Right headlight (high)
Right headlight (low)
Rrcy
Tail
Tail fuse 15a
Tail relay
Trly

HORN

Horn Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Horn Wiring Diagram for Toyota Tundra Limited 2008:

Cruise control main switch
D21
Driver side j/b (left side of dash)
Engine room j/b (left side of engine compt)
High pitched horn (right front of engine compt)
Horn
Horn fuse 10a
Horn relay
Horn switch
Hot at all times
J45
Low pitched horn (left front of engine compt)
Main body ecu (left side of dash)
Of dash)
Spiral cable (left side ho
Steering pad switch
W/ steering pad
W/o steering pad

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(5.7l: front of engine) oil pressure sensor
(front of engine) oil pressure switch
4.0l
4.7l
4.7l & 4.0l
4hi ind
4lo ind
5.7l
A/d
A/t oil temp ind
A/t oil temperature gauge
A1 (left front of engine compt)
Abs ind
Auto lsd ind
Blink
Brake fluid level warning switch (at brake master cylinder)
Brake ind
Buzzer
Charge ind
Combination meter
Computer data lines system
Cruise ind (w/ optitron meter)
Cruise ind (w/o optitron meter)
Dim
Door ind
Dot matrix lcd (odometer & other information)
Driver monitor switch
Driver side seat belt ind
Engine controls system
Engine room r/b (left side of engine compt)
Exterior lights system
Fuel gauge
Fuel ind
Fuel sender gauge (at fuel tank)
Head ind (usa) tail ind (except usa)
High beam ind
Hot at all times
Hot in on or start
Illumination (w/ optitron meter)
Illumination (w/o optitron meter)
Indicator malfunction
Info
Interior lights system
J/c j78 (left side of dash)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J2 (center of dash)
Lcd (odometer)
Lcd (sequential shift)
Left turn ind
Maint reqd ind (w/o optitron meter)
Met fuse 7.5a
Met-b fuse 5a
Oil gauge (w/ oil pressure gauge)
Oil pressure ind (w/o oil pressure gauge)
Pnk
Power circuit
Red
Right turn ind
Rsca off ind
Select reset
Setup us/m
Slip ind
Speedometer
Srs ind
Starting/charging system
Tachometer
Temperature gauge
Tire pressure ind
Tow haul ind
Transmissions system
Voltmeter
Vsc off ind
W/ oil pressure gauge
W/ optitron meter
W/o optitron meter
Warning systems
Washer ind
Wiper/washer system

Instrument Cluster Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(at left "b" pillar) left front door courtesy switch
(at right "b" pillar) right front door courtesy switch
(except regular cab: at left "c" pillar) left rear door courtesy switch
(except regular cab: at right "c" pillar) right rear door courtesy switch
(left side of dash) parking brake switch
A24
Acc
Acc fuse 7.5a
Accessory meter assembly
Anti-theft system
B11
B14
Built-in type amplifier
Canh
Canl
Clearance sonar ecu (right side of dash)
Computer data lines system
D56
D62
Dcty
Dome fuse 7.5a
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine control module (right rear of engine compt)
Engine room r/b (left side of engine compt)
Hot at all times
Hot in on or acc
Hot in on or start
Ill+
Ill-
Interior lights system
J/c j71 & j72 (left side of dash)
J/c j72 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j73 (left side of dash)
J/c j75 (left side of dash)
J2 (center of dash)
J71
J72
J73
J74
K15
Lcty
Main body ecu
Mhtr
Navigation receiver assembly (separate type amplifier w/ navigation) radio receiver assembly (built-in type amplifier & separate type amplifier w/o navigation)
Navigation system
Pcty
Pkb2
Pnk
Red
Rrcy
Separate type amplifier w/ navigation
Separate type amplifier w/o navigation
Skid control ecu w/ actuator (left side of engine compt)
Sp1
Spd
Stereo component amplifier (under front passenger's seat)
Tire pressure warning ecu (right side of dash)
Tx-

INTERIOR LIGHTS

Cargo Light Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Cargo Light Wiring Diagram for Toyota Tundra Limited 2008:

Acc
Acc fuse 7.5a
Altb
C13
Cargo light & high mounted stop light
Cargo light switch
Cargo lp fuse 7.5a
Cargo relay
Cglp
Cgsw
Courtesy lamps circuit
D46
D62
Dcty
Dr/lck fuse 25a
Driver side j/b (left side of dash)
Ecu ig 2 fuse 7.5a
Gnd1
Gnd2
Hot at all times
Hot in on or acc
Hot in on or start
Instrument illumination circuit
J2 (center of dash)
J3 (right kick panel)
Lcty
Left cargo light
Main body ecu (left side of dash)
Off
P2 (left "b" pillar)
Pcty
Right cargo light
Rrcy

Courtesy Lamps Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(left side of dash) j/c j73 & j74
(left side of dash) j/c j75 & j76
(left side of dash) j/c j91 & j97
Acc
Acc fuse 7.5a
Altb
B13
Becu
Can
Canh
Canl
Cann
Canp
Cgnd
Computer data lines system
D51
D54
D62
Dcty
Diode (left front door courtesy light) (left side of dash)
Diode (left rear door courtesy light)
Diode (right front door courtesy light) (right side of dash)
Diode (right rear door courtesy light)
Dr/lck fuse 25a
Driver side j/b (left side of dash)
Ecu ig 2 fuse 7.5a
Gnd
Gnd1
Gnd2
Hot at all times
Hot in on or acc
Hot in on or start
Ile
J/c j71 & j72 (left side of dash)
J2 (center of dash)
J71
J72
J73
J74
J75
J76
J91
J97
Lcty
Left front door courtesy light
Left front door courtesy switch (at left "b" pillar)
Left outer rear view mirror
Left rear door courtesy light
Left rear door courtesy switch (double cab & crewmax: at left "c" pillar)
Main body ecu (left side of dash)
Mir fuse 15a
Outer mirror control ecu (w/ seat position memory) (double cab & crewmax: in left front door)
Pcty
Puddle light
Red
Right front door courtesy light
Right front door courtesy switch (at right "b" pillar)
Right outer rear view mirror
Right rear door courtesy light
Right rear door courtesy switch (double cab & crewmax: at right "c" pillar)
Rrcy

Courtesy Lamps Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(left side of dash) j/c j78
Canh
Canl
Combination meter
Computer data lines system
Dome fuse 7.5a
Door ind
Ecu b1 fuse 7.5a
Engine room r/b (left side of engine compt)
Except regular cab
Foot light
Hot at all times
Hot in on or start
Ig+
Ignition key cylinder light
J/c j71 & j72 (left side of dash)
J/c j81 & j82 (center of dash) j82
J1 (w/ column shift: left side of dash) (w/ floor shift: left kick panel)
J2 (center of dash)
J71
J72
J81
Left vanity light (except regular cab)
Met b fuse 5a
Met fuse 7.5a
Off
Pnk
Power circuit
Red
Right vanity light (except regular cab)
Roof console box assembly
Room lamp (except regular cab)
Room lamp switch
Transponder key amplifier (w/ column shift: at steering column) (w/ floor shift: left side of dash)
W/ engine immobilizer
W/o engine immobilizer

Instrument Illumination Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

Acc
Acc fuse 7.5a
Accessory meter assembly
Altb
Auto
B13
Becu
Built-in type amplifier
Canh
Canl
Computer data lines system
Curtain air bag cutoff switch
D57
D62
Dr/lck fuse 25a
Driver side j/b (left side of dash)
E10
Ecu ig 2 fuse 7.5a
Gnd1
Gnd2
Head
Headlight dimmer switch assembly
Hot at all times
Hot in on or acc
Hot in on or start
Ill+
Ill-
Integration control & panel assembly
J/b 4 (left side of dash)
J/b 5 (left side of dash)
J2 (center of dash)
J3 (right kick panel)
K18
K21
Left seat heater switch
Light control switch
Main body ecu (left side of dash)
Navigation receiver assembly (w/ navigation) radio receiver assembly (w/o navigation)
Off
Panel fuse 7.5a
Pnk
Power windows regulator switch
Radio receiver assembly
Red
Right seat heater switch
Separate type amplifier
Swg
Tail
Tail relay
To j/b 4 (diagram 2 of 2)
To j/b 5 (diagram 2 of 2)
Tow/haul pattern select switch
Transmission control switch
Trly
Vsc off switch
W/ navigation
W/o navigation

Instrument Illumination Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(except optitron meter) illumination
(left side of dash) j/c j78
4wd control switch
A/d
Ac power main switch
Ashtray illumination
Canh
Canl
Cargo light switch
Column shift
Combination meter
Computer data lines system
Console box illumination light
Drive monitor switch
Ecu b1 fuse 7.5a
Engine room r/b (left side of engine compt)
Floor shift
From j/b 4 (diagram 1 of 2)
From j/b 5 (diagram 1 of 2)
Glove box illumination light
Hazard warning signal switch
Hot at all times
Hot in on or start
Ig+
Ill+
Ill-
J/b 4 (left side of dash)
J/b 5 (left side of dash)
J2 (center of dash)
J3 (right kick panel)
J45
Left steering switch
Light control rheostat
Met b fuse 5a
Met fuse 7.5a
Mode
Pnk
Power circuit
Red
Rhig
Right steering switch
Room lamp switch
Seek
Soild state
Spiral cable (left side of dash)
Steering pad switch
Tail cancel
Tel
Voice
Vol

MEMORY SYSTEMS

Memory Mirrors Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Memory Mirrors Wiring Diagram for Toyota Tundra Limited 2008:

(column shift: left side of dash) (floor shift: left kick panel)
(left side of dash)
Acc
Acc fuse 7.5a
Can
Canh
Canl
Cann
Canp
Cgnd
Computer data lines system
D54
Defogger system
Driver side j/b (left side of dash)
Ec+
Ec-
Gnd
Hot at all times
Hot in on or acc
Hsrl
Hsrr
Hssr
J/c j71 & j72 (left side of dash)
J/c j73 (left side of dash)
J/c j78
J1 (column shift: left side of dash) (floor shift: left kick panel)
J71
J72
Left outer rear view mirror
M+l
M+r
Main body ecu (left side of dash)
Mhl
Mhr
Mir fuse 15a
Mirb
Mire
Mirrors system
Mirs
Mr+
Mr-
Mry
Msw
Mswe
Mvl
Mvr
Outer mirror control ecu (double cab: in left front door)
Outer mirror switch
Pnk
Red
Ret
Right outer rear view mirror
Seat memory switch
Set
Vsr
Vsrl
Vssr

Memory Power Tilt & Power Telescopic Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram for Toyota Tundra Limited 2008:

(left side of dash) j/c j89 & j91
B13
Can
Canh
Canl
Cgnd
D14
D34
D56
Driver side j/b (left side of dash)
Ecu-b1 fuse 7.5a
Ecu-ig 1 fuse 7.5a
Ecub
Engine room r/b (left side of engine compt)
Gnd
Headlight dimmer switch assembly
Hot at all times
Hot in on or start
J/c j73 (left side of dash)
J2 (center of dash)
J89
J91
Mry
Msw
Mswe
Multiplex tilt & telescopic ecu (floor shift: left side of dash)
Outer mirror control ecu (double cab: in left front door)
Pnk
Power tilt motor (floor shift: left side of dash)
Red
Seat memory switch
Set
Telescopic motor
Telescopic sensor
Telescopic shrink
Telescopic stretch
Tem+
Tem-
Tes
Ti & te fuse 15a
Tilt & telescopic switch
Tilt down
Tilt motor
Tilt sensor
Tilt up
Tim+
Tim-
Tim- tim+
Tis
Vce
Vci

Memory Seat Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Memory Seat Wiring Diagram for Toyota Tundra Limited 2008:

(left "b" pillar) p1
(left side of dash) j/c j90 & j91
B13
C10
C11
Can
Canh
Canl
Cgnd
Csnf
Csnr
Driver side j/b (left side of dash)
Ecu-b1 fuse 7.5a
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compt)
Fr p/seat lh fuse 30a
Frv+
Frv-
Gnd
Hot at all times
Hot in on or start
J90
J91
Left front lumbar support motor (separate seat: in left front seat)
Left front power seat control ecu & switch (separate seat: in left front seat)
Left front power seat cushion control motor (separate seat: in left front seat)
Left front power seat position motor (lift position) (separate seat: in left front seat)
Left front power seat position motor (reclining position) (separate seat: in left front seat)
Left front power seat position motor (slide position) (separate seat: in left front seat)
Left front power seat position motor (vertical position) (separate seat: in left front seat)
Left front power seat switch (lumbar support control)
Left front power seat switch (seat cushion control)
Lft+
Lft-
Mry
Mswe
Outer mirror control ecu (double cab: in left front door)
P1 (left "b" pillar)
Pnk
Rcl+
Rcl-
Red
Seat memory switch
Set
Sld+
Sld-
Sysb
Z10

NAVIGATION

Navigation Wiring Diagram (1 of 3) for Toyota Tundra Limited 2008

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List of elements for Navigation Wiring Diagram (1 of 3) for Toyota Tundra Limited 2008:

Acc
Acc fuse 7.5a
Antenna
Atx+
Atx-
Bk/up lp fuse 10a
Ca+
Cb+
Cgnd
Cv+
Cv-
D55
D65
Diode (ignition) (column shift) (left side of dash)
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Gnd
Gps antenna
Hot at all times
Hot in on or acc
Hot in on or start
Instrument cluster system
Ivo+
Ivo-
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash) j74
J/c j77 (center of dash)
J45
J73
J74
K18
K2 (column shift: left side floor) (floor shift: center console)
K21
Left steering switch
Lh ig fuse 7.5a
Macc
Mi1+
Mic+
Mic-
Microphone amplifier
Mode
Mute
Navigation receiver assembly
Nca
Off hook
On hook
Park/ neutral position switch s (on transmission)
Pnk
Rad 1 fuse 15a
Red
Rev
Right steering switch
Roof console box assembly
Seek+
Seek-
Sgnd
Sld
Sld1
Spd
Spiral cable (left side of dash)
Steering pad switch
Sw1
Sw2
Swg
Television camera (w/ rear view monitor) (double cab: at rear tail gate)
Tsw-
Voice
Vol+
Vol-
W/ column shift
W/ floor shift

Navigation Wiring Diagram (2 of 3) for Toyota Tundra Limited 2008

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List of elements for Navigation Wiring Diagram (2 of 3) for Toyota Tundra Limited 2008:

+tw
-tw
Amp fuse 30a
B11
Center speaker
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Hot at all times
Left front
Left front door tweeter
Left front side speaker
Left rear door speaker
Left rear tweeter (crewmax)
Nca
Parking brake switch (left side of dash)
Pnk
Red
Right front
Right front door speaker
Right front door tweeter
Right rear door speaker
Right rear tweeter (crewmax)
Side speaker
Twl+
Twl-
Woofer

Navigation Wiring Diagram (3 of 3) for Toyota Tundra Limited 2008

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List of elements for Navigation Wiring Diagram (3 of 3) for Toyota Tundra Limited 2008:

(column shift: left side of dash) (floor shift: left kick panel) j1
+b2
Acc
Adpg
Alo
Aro
Asgn
Auxo
Cdl+
Cdl-
Cdr+
Cdr-
Csld
Ctr+
Ctr-
Fl+
Fl-
Fr+
Fr-
Gnd
Gnd2
Instrument cluster system
K15
K16
K17
K2 (column shift: left side floor) (floor shift: center console)
L1+
Ll1+
Ll1-
Mute
Navigation receiver assembly
Nca
Ntso
Pnk
R1+
Red
Rl+
Rl-
Rr+
Rr-
Sgn1
Sgn2
Sgnd
Sld
Sld9
Spd
Stereo component amplifier (under front passenger's seat)
Stereo jack adapter auxg
Television display (w/ rear seat enterainment system)
Tx+
Tx-
Txm+
Txm-
Va-
Val+
Var+
Video terminal
Vv+
Vv-
Wf1+
Wf1-
Wfl+
Wfl-
Wfr+
Wfr-

Parking Assistant Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Parking Assistant Wiring Diagram for Toyota Tundra Limited 2008:

A45
Acc fuse 7.5a
Accessory meter assembly
Bbz
Bof
Bor
Clearance sonar ecu (right side of dash)
D55
D56
D57
D73
Diode (ignition) (w/ column shift) (left side of dash)
Drive monitor switch
Driver side j/b (left side of dash)
Ecu ig 1 fuse 7.5a
Hot in on or acc
Hot in on or start
Hot w/ tail relay energized
Instrument cluster system
J/b 3 (right side of dash)
J/b 4 (left side of dash)
J/c a45 & d73 (right rear of engine compt)
J/c j71 & j72 (left side of dash)
J/c j73 & j74 (left side of dash) j74
J/c j73 (left side of dash)
J/c j77 (center of dash)
J3 (right kick panel)
J71
J72
J73
J74
Left front ultrasonic sensor 1 (near left front headlight)
Left rear center ultrasonic sensor 1 (left side of rear bumper)
Left rear ultrasonic sensor 1 (left side of rear bumper)
Lh ig fuse 7.5a
Panel fuse 7.5a
Park/neutral position switch (on transmission)
Pnk
Red
Right front ultrasonic sensor 1 (near right front headlight)
Right rear center ultrasonic sensor 1 (right side of rear bumper)
Right rear ultrasonic sensor 1 (right side of rear bumper)
Sof
Sonar switch
Sor
Spd
W/ column shift
W/ floor shift

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Power Distribution Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(column shift: left side of dash)
(floor shift: left kick panel)
(left side of dash) driver side j/b
(left side of engine compt) engine room j/b
(left side of engine compt) engine room r/b
4wd fuse 20a
5.7l
A/c ig fuse 10a
A/pump 1 fuse 50a
A/pump 2 fuse 50a
Acc
Acc cut relay (right side of dash)
Acc fuse 7.5a
Acc relay
Air conditioning system
Alt fuse 180a 140a
Alt s fuse 5a
Am1 fuse 7.5a
Am2 fuse 7.5a
Amp fuse 30a
Anti-lock brakes system
B10
B13
B17
Battery
Bk/up lp fuse 10a
C10
C11
C22
Cig fuse 15a
Cigarette lighter
D14
D43
D45
D47
D55
D56
D57
D62
D63
D65
D66
Dome fuse 7.5a
Door locks system
E10
Ecu b1 fuse 7.5a
Ecu ig 1 fuse 7.5a
Ecu ig 2 fuse 7.5a
Engine controls system
Except 5.7l
Exterior lights & anti-lock brakes systems
Exterior lights system
Generator
Headlights & exterior lights systems
Htr fuse 50a
Ig1 1 relay
Ig1 2 relay
Ig1 3 relay
Ignition switch
Instrument cluster & interior lights systems
Interior lights & navigation systems
Interior lights system
J/c j71 & j72 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j73 & j74 (left side of dash) j73
J/c j78 (left side of dash)
J71
J71 j/c j71 & j72 (left side of dash)
J72
J73
J74
Lh ig fuse 7.5a
Lh j/b fuse 150a
Lock
Main body ecu
Memory system
Memory systems
Memory, mirrors, defogger, warning, anti-theft, navigation, air conditioning, shift interlock, exterior lights, instrument cluster & anti-lock brakes systems
Mirrors & garage door opener systems
Mirrors & memory systems
Mirrors, exterior lights, cruise control & sound systems
Off
Panel fuse 7.5a
Pnk
Rad 1 fuse 15a
Red
Seat htr fuse 20a
Seats & memory systems
Seats system
Seats, headlights, navigation, defogger, transmissions, exterior lights, engine controls & sound systems
Shift interlock system
Short pin
Sound & navigation systems
Sound, navigation & instrument cluster systems
St fuse 30a
Start
Starting/ charging system
Tail fuse 15a
Tail relay
To ig2 relay engine room j/b (diagram 2 of 2)
To main fuse engine room j/b (diagram 2 of 2)
To met b fuse engine room r/b (diagram 2 of 2)
To obd fuse driver side j/b (diagram 2 of 2)
To power outlet fuse driver side j/b (diagram 2 of 2)
To power source control ecu (diagram 2 of 2)
To stop fuse engine room r/b (diagram 2 of 2)
Transmissions system
Turn haz fuse 15a
Wiper fuse 30a
Wiper/washer system
Wsh fuse 20a

Power Distribution Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Power Distribution Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(left side of dash) driver side j/b
(left side of engine compt) engine room j/b
(left side of engine compt) engine room r/b
(right kick panel) j3
A/c fuse 7.5a
A/f fuse 15a
A/f relay
A2 (5.7l: left side of engine compt) (except 5.7l: left front of engine compt)
Abs 1 fuse 50a
Abs 2 fuse 40a
Air conditioning system
Anti-lock brakes system
Anti-theft system
Cargo lp fuse 7.5a
Cargo relay
Computer data lines system
Cruise control, interior lights, door locks, anti-theft, exterior lights,
Cruise control, interior lights, starting/charging, exterior lights,
D18
D34
D36
D54
D58
D60
D61
Defog fuse 40a
Defogger system
Defogger, mirrors & memory systems
Deicer fuse 20a
Dr/lck fuse 25a
Efi 1 fuse 25a
Efi relay
Engine controls system
Engine controls, cruise controls & transmissions systems
Engine room j/b (left side of engine compt)
Etcs fuse 10a
Exterior lights system
F/pmp fuse (5.7l) 15a
Fog fuse 15a
Fr p/ seat lh fuse 30a
Fr p/ seat rh fuse 30a
From a/p pump 2 fuse engine room j/b (diagram 1 of 2)
From c short pin engine room r/b (diagram 1 of 2)
From e
From ecu ig 1 (diagram 1 of 2)
From htr fuse engine room j/b (diagram 1 of 2)
From ignition switch (diagram 1 of 2)
From j/c 71 & 72 (diagram 1 of 2)
From lh j/b fuse engine room j/b (diagram 1 of 2)
Headlights system
Horn fuse 10a
Horn relay
Ig2 main fuse 30a
Ig2 relay
Ign fuse 10a
Imb fuse 7.5a
Inj fuse 10a
Instrument cluster & engine controls systems
J/c a44 (left front of engine compt)
J/c j77 (center of dash)
J/c j81 & j82 (center of dash) j81
J82
Main body ecu
Main fuse 40a
Memory & seats systems
Memory systems
Met b fuse 5a
Met fuse 7.5a
Mir fuse 15a
Mir htr relay
Obd fuse 7.5a
Pnk
Power outlet relay
Power outlet socket 1
Power outlet socket 2
Power outlet socket 3
Power source control ecu (right side of dash)
Power windows system
Pwr 1 fuse 30a
Pwr fuse 30a
Pwr outlet fuse 15a
Pwr relay
Red
Stop fuse 15a
Sub batt fuse 40a
Tail relay driver side j/b (diagram 1 of 2)
Ti & te fuse 15a
Tow brk fuse 30a
Tow tail fuse 30a
Towing fuse 30a
Transmissions, engine controls, cruise control, anti-lock brakes, exterior lights & shift interlock systems
Transmissions, instrument cluster, headlights, warning, engine controls,

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Power Door Locks Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(5.7l: left side of engine compt) (except 5.7l: left front of engine compt) a2
(center of dash) j2
(left side of dash) j/c j74
(right "b" pillar) q1
A24
Acc
Acc fuse 7.5a
Act+
Act-
Actd
Altb
B13
B18
Becu
Bk/up lp fuse 10a
Bzr
C23
C24
Canh
Canl
Computer data lines system
D40
D41
D42
D49
D51
D52
D53
D55
D62
D65
D74
Dcty
Detection unlock
Diode (ignition) (left side of dash)
Driver side j/b (left side of dash)
Drl/clk fuse 25a
Ecu-ig 2 fuse 7.5a
Engine control module (right rear of engine compt)
Exterior lights system
Gbs
Gnd1
Gnd2
Haz
Hcty
Headlights system
Horn
Horns system
Hot at all times
Hot in on or acc
Hot in on or start
Hrly
Ile
Ind
Interior lights system
J/c d73 (right rear of engine compt)
J/c j71 & j72 (left side of dash) j72
J/c j71 (left side of dash)
J/c j72 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j75 (left side of dash)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J2 (center of dash)
J71
J73
J74
Key lock
Key unlock
Ksw
Lcty
Left front door courtesy switch (at left "b" pillar)
Left front door lock motor (double cab: in left front door) (regular cab: in left door)
Lh-ig fuse 7.5a
Lswd
Lswl
Lswp
Lswr
Main body ecu (left side of dash)
Park/neutral position switch (on transmission)
Pcty
Pnk
Prg
Rda
Red
Right front door courtesy switch (at right "b" pillar)
Right rear door courtesy switch (double cab: at right "c" pillar)
Right rear door lock motor (double cab: in right rear door)
Rrcy
Trly
Ul1
Ul2
Ul3
Unlock warning switch (left side of dash)
W/ column shift
W/ floor shift
Wireless door lock buzzer (behind left front headlight)

Power Door Locks Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Power Door Locks Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(center of dash) j2
(double cab: at left "c" pillar) left rear door courtesy switch
(left "b" pillar) p1
(left side of dash) glass breakage sensor ecu
(right side of engine compt) a4
Accessory meter assembly
B13
D14
D62
Door control receiver (double cab: in right side door) (regular cab: at right "c" pillar)
Door lock switch
Double cab
Driver side j/b (left side of dash)
Ecu-b1 fuse 7.5a
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compt)
Glass breakage sensor microphone (center of dash)
Gnd
Hood courtesy switch (center of radiator support)
Hot at all times
Hot in on or start
J/c a36 (right side of dash)
J/c j71 & j72 (left side of dash)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash) j74
J/c j81 & j82 (center of dash)
J/c j81 & j82 (center of dash)
J2 (center of dash)
J71
J72
J73
J81
J82
Key lock
Key unlock
Left rear door lock motor (double cab: in left rear door)
Lock
Met-b fuse 5a
Mhtr
Mic+
Mic-
Nca
Nca mi-
Pnk
Power window regulator master switch
Prg
Q1 (w/o power seat) (right "b" pillar)
Q2 (w/ power seat) (double cab: right "c" pillar) (regular cab: right "b" pillar)
Rda
Red
Regular cab
Right front door lock motor (double cab: in right front door) (regular cab: in right door)
Right front door lock switch
Security horn (right side of engine compt)
Security horn relay
Security indicator
Unlock
Unlock detection

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Electrochromic Mirror Wiring Diagram for Toyota Tundra Limited 2008:

B13
D14
D56
Driver side j/b (left side of dash)
Ec+
Ec-
Ecu-b1 fuse 7.5a
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compt)
Hot at all times
Hot in on or start
Inner mirror
J/c j71 & j72 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j75 & j76 (left side of dash)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J71
J72
J73
J74
J75
J76
Left outer rear view mirror
Pnk
Red
Right outer rear view mirror

Power Mirrors Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Power Mirrors Wiring Diagram for Toyota Tundra Limited 2008:

Acc fuse 7.5a
Defogger system
Down
Driver side j/b (left side of dash)
Fold
Hot in acc or on
J/c j71 & j72 (left side of dash)
J/c j73 (left side of dash)
J/c j75 & j76 (left side of dash)
J/c j78 (left side of dash)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J2 (center of dash)
J71
J72
J75
J76
Left
Left outer rear view mirror
Mlh
Mlv
Mrh
Mrv
Operation switch
Outer mirror switch
Pnk
Red
Retract switch
Right
Right outer rear view mirror
Select switch
Unfold
W/ retractor

POWER SEATS

Driver Power Seat Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Driver Power Seat Wiring Diagram for Toyota Tundra Limited 2008:

(separate seat: in left front seat) left front power seat switch
Csnf
Csnr
Down
Driver side j/b (left side of dash)
Fdwn
Fr p/seat lh fuse 30a
Front
Front vertical
Fup
Hot at all times
Ldwn
Left front lumbar support motor (separate seat: in left front seat)
Left front power seat cushion control motor (separate seat: in left front seat)
Left front power seat position motor (lift position) (separate seat: in left front seat)
Left front power seat position motor (reclining position) (separate seat: in left front seat)
Left front power seat position motor (slide position) (separate seat: in left front seat)
Left front power seat position motor (vertical position) (separate seat: in left front seat)
Left front power seat switch (lumbar support control)
Left front power seat switch (seat cushion control)
Lift
Lup
P1 (left "b" pillar)
Pnk
Rclf
Rclr
Rear
Reclining
Red
Sldf
Sldr
Slide

Heated Seats Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Heated Seats Wiring Diagram for Toyota Tundra Limited 2008:

(left side of dash) j/c j78
D55
Driver side j/b (left side of dash)
Hot in on or start
Ill+
Ill-
Interior lights system
J/c j71 & j72 (left side of dash)
J/c y14 (in right front seat)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J71
J72
Left front seat heater (separate seat: in left front seat)
Left seat heater switch
Lh-ig fuse 7.5a
P1 (left "b" pillar)
Pnk
Q1 (right "b" pillar)
Red
Right front seat heater (separate seat: in right front seat)
Right seat heater switch
Seat back
Seat cushion
Seat heater control
Seat-htr fuse 20a
Swl
Swr
Thermistor
Thl
Thr

Passenger Power Seat Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Passenger Power Seat Wiring Diagram for Toyota Tundra Limited 2008:

(in right front seat) j/c y14
D36
Driver side j/b (left side of dash)
Fr p/seat rh fuse 30a
Hot at all times
J/c y14 (in right front seat)
Q1 (right "b" pillar)
Rclf
Rclr
Reclining
Red
Right front lumbar support motor (separate seat: in right seat)
Right front power seat position motor (reclining position) (separate seat: in right front seat)
Right front power seat position motor (slide position) (separate seat: in right front seat)
Right front power seat switch
Right front power seat switch (lumbar support control)
Sldf
Sldr
Slide

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Power Top/Sunroof Wiring Diagram for Toyota Tundra Limited 2008:

(4.0l & 4.7l: left front of engine compt) (5.7: left side of engine compt) a2
(column shift: left side of dash) (floor shift: left kick panel) j1
(double cab:right "c" pillar) (regular cab:right "b" pillar) (w/ power seat) q2
(left side of dash)
B13
Becu
Bzr
Canh
Canl
Close
Cls
Computer data lines system
D14
D53
D56
D62
D64
Dcty
Door control receiver (double cab: in right "c" pillar) (regular cab: at right "c" pillar)
Down
Driver side j/b
Driver side j/b (left side of dash)
Dwn
Ecu ig 1
Ecu-b1
Engine room r/b (left side of engine compt)
Fuse 7.5a
Gnd
Gnd1
Gnd2
Hot at all times
Hot in on or start
J/c 71 & 72 (left side of dash)
J/c 73 & 74 (left side of dash)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J2 (center of dash)
J71
J72
J73
J74
Key lock
Key unlock
Left front door courtesy switch (at left "b" pillar)
Left front door lock motor (double cab: in left front door) (regular cab: in left door)
Lin2
Main body ecu
Open
Opn
Pnk
Prg
Qi (w/o power seat) (right "b" pillar)
Rda
Red
Roof console box assembly
S/roof fuse 25a
Slide
Sliding roof control switch
Sliding roof ecu (center front of roof)
Spd
Tilt
Ul3
Wireless door lock buzzer (behind left front headlight)

POWER WINDOWS

Power Windows Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Power Windows Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(crewmax)
(double cab)
Acc
Acc fuse 7.5a
Altb
B13
Becu
Bzr
C19
D14
D31
D32
D33
D62
Dcty
Dr/lck fuse 25a
Driver side j/b (left side of dash)
Ecu-ig 2 fuse 7.5a
Except regular cab
Gnd1
Gnd2
Hot at all times
Hot in on or acc
Hot in on or start
J/c j71 & j72 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j81 & j82 (center of dash)
J1 (floor shift: left kick panel) (column shift: left side of dash)
J71
J72
J73
J74
J81
J82
Left front door courtesy switch (at left "b" pillar)
Left front power window regulator motor (regular cab: in left door) (except regular cab: in left front door)
Left rear power window regulator motor (in left rear door)
Left rear power window switch
Main body ecu
Pnk
Power 1 fuse 30a
Power relay
Power window regulator master switch
Prg
Pws
Rda
Red
Regular cab
Right front power window regulator motor (regular cab: in right door) (except regular cab: in right front door)
Right front power window switch
Right rear power window regulator motor (in right rear door)
Right rear power window switch

Power Windows Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Power Windows Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(right "b" pillar) (w/o power seat) q1
A2 (5.7l: left side of engine compt) (except 5.7l: left front of engine compt)
Back door power window regulator motor
Back p/w 1 relay (crewmax)
Back p/w 2 relay (crewmax)
Door control receiver (regular cab: at right "c" pillar) (except regular cab: in right "c" pillar)
Down
Ecu-b1 fuse 7.5a
Engine room r/b (left side of engine compt)
Gnd
Hot at all times
Interior lights system
J/c a44 (left front of engine compt)
J/c j71 & j72 (left side of dash)
J/c j73 & j74 (left side of dash)
J3 (right kick panel)
J71
J72
J73
J74
Pnk
Power 2 fuse 30a
Power window regulator switch (for back window)
Prg
Q2 (w/ power seat) (double cab: right "c" pillar) (regular cab: right "b" pillar)
Rda
Red
Wireless door lock buzzer (behind left front headlight)

RADIO

Radio Wiring Diagram, with Built-in Amplifier for Toyota Tundra Limited 2008

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List of elements for Radio Wiring Diagram, with Built-in Amplifier for Toyota Tundra Limited 2008:

Acc
Acc fuse 7.5a
Ali
Alo
Antenna
Ari
Aro
Asgn
Auxg
Auxi
Auxo
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Fl+
Fl-
Fr+
Fr-
Gnd
Hot at all times
Hot in on or acc
Instrument cluster system
Interior lights system
K1 (center of dash)
Left front door speaker
Left front side speaker
Left rear door speaker
Nca
Pnk
Rad 1 fuse 15a
Radio receiver assembly
Red
Right front door speaker
Right front side speaker
Right rear door speaker
Rl+
Rl-
Rr+
Rr-
Spd
Stereo jack adapter
Twl+
Twl-
Twr+
Twr-

Radio Wiring Diagram, with Navigation with Separate Amplifier (1 of 3) for Toyota Tundra Limited 2008

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List of elements for Radio Wiring Diagram, with Navigation with Separate Amplifier (1 of 3) for Toyota Tundra Limited 2008:

Acc
Acc fuse 7.5a
Antenna
Atx+
Atx-
Bk/up lp fuse 10a
Ca+
Cb+
Cgnd
Cv+
Cv-
D55
D65
Diode (ignition) (column shift) (left side of dash)
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Gnd
Gps antenna
Hot at all times
Hot in on or acc
Hot in on or start
Instrument cluster system
Ivo+
Ivo-
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash) j74
J/c j77 (center of dash)
J45
J73
J74
K18
K2 (column shift: left side floor) (floor shift: center console)
K21
Left steering switch
Lh ig fuse 7.5a
Macc
Mi1+
Mic+
Mic-
Microphone amplifier
Mode
Mute
Navigation receiver assembly
Nca
Off hook
On hook
Park/ neutral position switch s (on transmission)
Pnk
Rad 1 fuse 15a
Red
Rev
Right steering switch
Roof console box assembly
Seek+
Seek-
Sgnd
Sld
Sld1
Spd
Spiral cable (left side of dash)
Steering pad switch
Sw1
Sw2
Swg
Television camera (w/ rear view monitor) (double cab: at rear tail gate)
Tsw-
Voice
Vol+
Vol-
W/ column shift
W/ floor shift

Radio Wiring Diagram, with Navigation with Separate Amplifier (2 of 3) for Toyota Tundra Limited 2008

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List of elements for Radio Wiring Diagram, with Navigation with Separate Amplifier (2 of 3) for Toyota Tundra Limited 2008:

+tw
-tw
Amp fuse 30a
B11
Center speaker
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Hot at all times
Left front
Left front door tweeter
Left front side speaker
Left rear door speaker
Left rear tweeter (crewmax)
Nca
Parking brake switch (left side of dash)
Pnk
Red
Right front
Right front door speaker
Right front door tweeter
Right rear door speaker
Right rear tweeter (crewmax)
Side speaker
Twl+
Twl-
Woofer

Radio Wiring Diagram, with Navigation with Separate Amplifier (3 of 3) for Toyota Tundra Limited 2008

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List of elements for Radio Wiring Diagram, with Navigation with Separate Amplifier (3 of 3) for Toyota Tundra Limited 2008:

(column shift: left side of dash) (floor shift: left kick panel) j1
+b2
Acc
Adpg
Alo
Aro
Asgn
Auxo
Cdl+
Cdl-
Cdr+
Cdr-
Csld
Ctr+
Ctr-
Fl+
Fl-
Fr+
Fr-
Gnd
Gnd2
Instrument cluster system
K15
K16
K17
K2 (column shift: left side floor) (floor shift: center console)
L1+
Ll1+
Ll1-
Mute
Navigation receiver assembly
Nca
Ntso
Pnk
R1+
Red
Rl+
Rl-
Rr+
Rr-
Sgn1
Sgn2
Sgnd
Sld
Sld9
Spd
Stereo component amplifier (under front passenger's seat)
Stereo jack adapter auxg
Television display (w/ rear seat enterainment system)
Tx+
Tx-
Txm+
Txm-
Va-
Val+
Var+
Video terminal
Vv+
Vv-
Wf1+
Wf1-
Wfl+
Wfl-
Wfr+
Wfr-

Radio Wiring Diagram, without Navigation with Separate Amplifier (1 of 3) for Toyota Tundra Limited 2008

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List of elements for Radio Wiring Diagram, without Navigation with Separate Amplifier (1 of 3) for Toyota Tundra Limited 2008:

Acc
Acc fuse 7.5a
Ali
Alo
Ari
Aro
Asgn
Atx+
Atx-
Auxg
Auxi
Auxo
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Gnd
Hot at all times
Hot in on or acc
Instrument cluster system
Ivo+
Ivo-
J45
K2 (column shift: left side floor) (floor shift: center console)
Left steering switch
Mcvd
Mgnd
Mi1+
Mic+
Mic-
Mode
Mute
Nca
Off hook
On hook
Pnk
Rad 1 fuse 15a
Radio receiver assembly
Red
Right steering switch
Roof console box assembly
Seek+
Seek-
Sld
Sld1
Spd
Spiral cable (left side of dash)
Steering pad switch
Stereo jack adapter
Sw1
Sw2
Swg
Tsw-
Voice
Vol+
Vol-

Radio Wiring Diagram, without Navigation with Separate Amplifier (2 of 3) for Toyota Tundra Limited 2008

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List of elements for Radio Wiring Diagram, without Navigation with Separate Amplifier (2 of 3) for Toyota Tundra Limited 2008:

+tw
-tw
Amp fuse 30a
Engine room r/b (left side of engine compt)
Hot at all times
Left front door tweeter
Left front side speaker
Left rear door speaker
Left rear tweeter (crewmax)
Nca
Pnk
Red
Right front
Right front door tweeter
Right rear door speaker
Right rear tweeter (crewmax)
Side speaker
Twl+
Twl-
Twr+
Twr-

Radio Wiring Diagram, without Navigation with Separate Amplifier (3 of 3) for Toyota Tundra Limited 2008

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List of elements for Radio Wiring Diagram, without Navigation with Separate Amplifier (3 of 3) for Toyota Tundra Limited 2008:

+b2
Acc
Adpg
Antenna
Cdl+
Cdl-
Cdr+
Cdr-
Center speaker
Csld
Ctr+
Ctr-
Fl+
Fl-
Fr+
Fr-
Gnd
Gnd2
Gps antenna
Instrument cluster system
J1 (column shift: left side of dash) (floor shift: left kick panel)
K15
K16
K17
K2 (column shift: left side floor) (floor shift: center console)
L1+
Left front door speaker
Ll1+
Ll1-
Mute
Nca
Pnk
R1+
Radio receiver assembly
Red
Right front door speaker
Rl+
Rl-
Rr+
Rr-
Sgn2
Sgnd
Sld
Sld9
Spd
Stereo component amplifier (under front passenger's seat)
Television display (w/ rear seat enterainment system)
Tx+
Tx-
Txm+
Txm-
Va-
Val+
Var+
Video terminal
Vv+
Vv-
Wf1+
Wf1-
Wfl+
Wfl-
Wfr+
Wfr-
Woofer

SHIFT INTERLOCK

Shift Interlock Wiring Diagram, with Column Shift for Toyota Tundra Limited 2008

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List of elements for Shift Interlock Wiring Diagram, with Column Shift for Toyota Tundra Limited 2008:

A24
A38
A39
Acc
Acc fuse 7.5a
Canh
Canl
Computer data lines system
D55
D56
D74
Diode (ignition) (left side of dash)
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine control module (right rear of engine compt)
Engine room r/b (left side of engine compt)
Hot at all times
Hot in on or acc
Hot in on or start
Ignition switch
J/c a38 & a39 (left side of dash)
J/c d73 (right rear of engine compt)
J/c j71 & j72 (left side of dash)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j74 (left side of dash)
J1 (left side of dash)
J3 (right kick panel)
J71
J72
J73
J74
Key interlock solenoid
Kls+
Kls-
Lh-ig fuse 7.5a
Lock
Off
Park/neutral position switch (on transmission)
Pnk
Red
Shift lock control ecu (under center console)
Sls+
Start
Stop fuse 15a
Stop light switch (left side of dash)
Stp
Transmission control switch

Shift Interlock Wiring Diagram, with Floor Shift for Toyota Tundra Limited 2008

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List of elements for Shift Interlock Wiring Diagram, with Floor Shift for Toyota Tundra Limited 2008:

(left side of dash)
A24
A38
A39
Acc
Canh
Canl
Computer data lines system
D55
D56
D74
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine control module (right rear of engine compt)
Engine room r/b (left side of engine compt)
Hot at all times
Hot in on or start
Ignition switch
J/c a38 & a39 (left side of dash)
J/c d73 (right rear of engine compt)
J/c j71 & j72 (left side of dash)
J/c j73 & j74 (left side of dash)
J1 (left kick panel)
J3 (right kick panel)
J71
J72
J73
J74
Key interlock solenoid
Kls+
Lh-ig fuse 7.5a
Lock
Off
Park/neutral position switch (on transmission)
Pnk
Red
Shift lock control ecu (under center console)
Shift lock solenoid
Sls+
Sls-
Start
Stop fuse 15a
Stop light switch (left side of dash)
Stp

STARTING/CHARGING

Charging Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Charging Wiring Diagram for Toyota Tundra Limited 2008:

(right rear of engine compt) engine control module
5.7l
A42
A43
Alt
Alt fuse 180a 140a
Alt-s fuse 5a
B10
Battery
Charge ind
Combination meter
D74
Driver side j/b (left side of dash)
Engine room j/b (left side of engine compt)
Engine room r/b (left side of engine compt)
Except 5.7l
Generator
Hot in on or start
J/c a42 & a43 (left side of dash)
Lh-ig fuse 7.5a
Met fuse 7.5a
Pnk
Red

Starting Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Starting Wiring Diagram for Toyota Tundra Limited 2008:

(right side of dash) (starting) diode
(right side of dash) acc cut relay
A1 (left front of engine compt)
A24
A40
A41
A45
Acc
Acc lock
Acc relay
Accr
Am1 fuse 7.5a
Am2 fuse 7.5a
B13
Battery
D14
D45
D47
D62
D73
D74
Driver side j/b (left side of dash)
Ecu-b1 fuse 7.5a
Engine control module (right rear of engine compt)
Engine room r/b (left side of engine compt)
Hot at all times
Ignition switch
J/c a40 & a41 (right side of dash)
J/c a45 & d73 (right rear of engine compt)
J/c j73 & j74 (left side of dash)
J1 (floor shift: left kick panel) (column shift: left side of dash)
J73
J74
Lock
Nsw
Off
On off
Park/neutral position switch (on transmission)
Power distribution system
Red
St fuse 30a
St relay
Sta
Star
Start
Starter
Stsw

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008

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List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Toyota Tundra Limited 2008:

(air bag cutoff switch) integration control & panel assembly
(if equipped) air bag cutoff switch
(in steering column) driver side squib circuit
(left side of dash) dlc 3
(left side of dash) driver side j/b
(right side of dash) front passenger side squib circuit
(right side of dash) j/b 3
+sl
+sr
-sl
-sr
Bbd+
Bbd-
Bbp+
Bbp-
Bbr+
Bbr-
Bcr+
Bcr-
Buckle switch
Canh
Canl
Center air bag ecu (column shift: center of dash) (floor shift: under center console)
Computer data lines system
Curtain air bag cutoff switch
D16
D2+
D2-
D28
D30
D62
Dbe+
Dbe-
Dsp+
Dsp-
First step
Fsp+
Fsp-
Icd+
Icd-
Icp+
Icp-
Ig2
J/c 77 (center of dash)
J3 (right kick panel)
J46
Left front seat inner belt switch (in left front seat)
Left front side air bag squib circuit (in bottom of left front seat)
Msw+
Msw-
P-ab
P2+
P2-
Paon
Passenger air bag on/off indicator
Pd+
Pd-
Pmc+
Pmc-
Pnk
Pp+
Pp-
Red
Right curtain shield air bag squib circuit (near right ``b'' pillar)
Right door side air bag sensor (near right ``b'' pillar)
Right front pretensioner (at right ``b'' pillar)
Right front side air bag squib circuit (in right side of front seat)
Right side air bag sensor (near right rear door)
Rmil
Rmsw
Seat position air bag sensor
Second step
Sfd+
Sfd-
Sfp+
Sfp-
Sil
Spiral cable (left side of dash)

Supplemental Restraints Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008

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List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Toyota Tundra Limited 2008:

(at left ``b'' pillar) left front pretensioner
(bench seat: in right side of front seat) (separate seat: in left front seat)
(left front of engine compt) left front air bag sensor
(left side of dash) j/c 78
(near left ``b'' pillar) left curtain shield air bag squib circuit
(right front of engine compt) right front air bag sensor
+sl
+sr
-sl
-sr
B15
Bbl+
Bbl-
Bcl+
Bcl-
Bgnd
Bsw
Canh
Canl
Combination meter
Computer data lines system
D13
D14
D17
D29
Dia
Driver side j/b (left side of dash)
Ecu-b1 fuse 7.5a
Engine room r/b (left side of engine compt)
Fsr+
Fsr-
Gnd
Hot at all times
Hot in on or start
Ign fuse 10a
J/c 71 & 72 (left side of dash)
J/c 73 & 74 (left side of dash)
J/c 75 & 76 (left side of dash) j75
J/c a43 (left side of dash)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J71
J72
J73
J74
J76
Left door side air bag sensor (near left ``b'' pillar)
Left front occupant classification sensor (in right front seat)
Left rear occupant classification sensor
Left side air bag sensor (double cab: near left rear door) (regular cab: near left ``b'' pillar)
Met fuse 7.5a
Occupant detection ecu (bench seat: in right side of front seat) (separate seat: in front passenger's seat)
Pnk
Power circuit
Q12
Q2 (regular cab: right ``b'' pillar) (double cab: right ``c'' pillar)
Red
Right front occupant classification sensor (bench seat: in right side of front seat) (separate seat: in right front seat)
Right front seat inner belt switch (in right side of front seat)
Right rear occupant classification sensor (bench seat: right side of front seat) (separate seat: in right front seat)
Rsca off ind
Sgd1
Sgd2
Sgd3
Sgd4
Sig1
Sig2
Sig3
Sig4
Srs ind
Svc1
Svc2
Svc3
Svc4
W/ power seat
W/o power seat
Y2 q11

TRANSMISSION

4WD Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for 4WD Wiring Diagram for Toyota Tundra Limited 2008:

(4.7l: right side of engine) (except 5.7l) d7 d3 (5.7l) (rear of engine compt)
(column shift: left side of dash) (floor shift: left kick panel) j1
2-4
4hi ind
4lo ind
4wd
4wd control ecu (right side of dash)
4wd control switch
4wd fuse 20a
A17
A24
A25
A26
A4 (right side of engine compt)
A40
A41
A45
Add
Add actuator (front of engine)
Buzzer
Canh
Canl
Cdl
Combination meter
D67
D68
D70
D73
Dl1
Dl2
Dm1
Dm2
Driver side j/b (left side of dash)
Engine control module (right rear of engine compt)
Engine room r/b (left side of engine compt)
Ex12
Gnd
Gnd1
Hl1
Hl2
Hl3
Hm1
Hm2
Hot at all times
Hot in on or start
Ig+
Ill+
Ill-
Interior lights system
J1 (column shift: left side of dash) (floor shift: left kick panel)
J84
J88
J93
J94
Junction connector a36 (right side of dash)
Junction connector a40 & a41 (right side of dash)
Junction connector a45 & d73 (right rear of engine compt)
Junction connector d71 (right rear of engine compt)
Junction connector j78 (left side of dash)
Junction connector j84 & j94 (left side of dash)
Junction connector j88 & j93 (right side of dash)
Met fuse 7.5a
Met-b fuse 5a
Pnk
Power circuit
Red
Skid control ecu w/ actuator (left side of engine compt)
Tfn
Tgnd
Tl1
Tl2
Tl3
Tm1
Tm2
Transfer shift actuator (in transfer case)

4.0L

4.0L, A/T Wiring Diagram (1 of 3) for Toyota Tundra Limited 2008

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List of elements for 4.0L, A/T Wiring Diagram (1 of 3) for Toyota Tundra Limited 2008:

+bm
Automatic transmission
Crankshaft position sensor (front of engine)
D74
D8 (rear of engine compt)
D9 (rear of engine compt)
E01
E02
E03
E04
E05
Engine control module (right rear of engine compt)
Engine coolant temperature sensor (left front of engine compt)
Eta
Ethw
Ge01
J/c d71 (right rear of engine compt)
Me01
Nca
Ne+
Ne-
Nsw
Nt+
Nt-
Pnk
Red
Red sl1+
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Sp2+
Sp2-
Star
Tho1
Tho2
Throttle position sensor (on throttle body)
Thw
Transmission revolution sensor (turbine) (in transmission)
Vcta
Vta
Vta1
Vta2

4.0L, A/T Wiring Diagram (2 of 3) for Toyota Tundra Limited 2008

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List of elements for 4.0L, A/T Wiring Diagram (2 of 3) for Toyota Tundra Limited 2008:

(left side of dash) j/c a38 & a39
A38
A39
A40
A41
A42
A43
A45
Acc
Acc fuse 7.5a
Column shift
D55
D73
Diode (ignition) (column shift) (left side of dash)
Diode (starting) (right side of dash)
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Etcs fuse 10a
Floor shift
Hot at all times
Hot in on or acc
Hot in on or start
Ign fuse 10a
Ignition switch
J/c a42 & a43 (left side of dash)
J/c a45 & d73 (right rear of engine compt)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j73 & j74 (left side of dash) j73
J73
J74
Lh-ig fuse 7.5a
Lock
Met fuse 7.5a
Met-b fuse 5a
Off
Park/neutral position switch (on transmission)
Pnk
Red
St2
Start
Starting/charging system
Stop fuse 15a
Stop light switch (left side of dash)
Transmission revolution sensor (electronically controlled transmission) (in transmission)

4.0L, A/T Wiring Diagram (3 of 3) for Toyota Tundra Limited 2008

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List of elements for 4.0L, A/T Wiring Diagram (3 of 3) for Toyota Tundra Limited 2008:

+b2
A/t oil temp ind
A2 (left front of engine compt)
A24
A4 (right side of engine compt)
Accelerator pedal position sensor (column shift: at accelerator pedal assembly)
Batt
Buzzer
Canh
Canl
Column shift
Combination meter
Computer data lines system
Dim
Efi 1 fuse 25a
Efi relay
Engine control module (right rear of engine compt)
Engine room j/b (left side of engine compt)
Epa
Epa2
Floor shift
Hot at all times
Ig+
Igsw
Ill+
Ill-
Interior lights system
J/b 3 (right side of dash)
J/c a36 (right side of dash)
J/c a44 (left front of engine compt)
J/c j71 (left side of dash)
J/c j74 (left side of dash)
J/c j77 (center of dash)
J/c j78 (left side of dash)
J/c j79 & j80 (left side of dash)
J2 (center of dash)
J24
J25
J3 (right kick panel)
J79
J80
Lcd (sequential shift)
Mrel
Pnk
Power circuit
Red
Sftd
Sftu
Skid control ecu w/ actuator (left side of engine compt)
Sp1
Spd
St1-
Sta
Starting/charging system
Stp
Stsw
Transmission control switch
Vcp2
Vcpa
Vpa
Vpa2

4.7L

4.7L, A/T Wiring Diagram (1 of 3) for Toyota Tundra Limited 2008

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List of elements for 4.7L, A/T Wiring Diagram (1 of 3) for Toyota Tundra Limited 2008:

+bm
Automatic transmission
Crankshaft position sensor (left front of engine)
D4 (rear of engine compt)
D5 (left side of engine)
D6 (rear of engine compt)
D7 (right side of engine)
D74
E01
E02
E03
E04
E05
Engine control module (right rear of engine compt)
Engine coolant temperature sensor (right front of engine compt)
Eta
Etha
Ethw
Ge01
J/c d71 (right rear of engine compt)
Me01
Nca
Ne+
Ne-
Nsw
Nt+
Nt-
Pnk
Red
Red sl1+
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Sp2+
Sp2-
Star
Tho1
Tho2
Throttle position sensor (on throttle body)
Thw
Transmission revolution sensor (turbine) (in transmission)
Vcta
Vta
Vta1
Vta2

4.7L, A/T Wiring Diagram (2 of 3) for Toyota Tundra Limited 2008

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List of elements for 4.7L, A/T Wiring Diagram (2 of 3) for Toyota Tundra Limited 2008:

(left side of dash) j/c a38 & a39
A38
A39
A40
A41
A42
A43
A45
Acc
Acc fuse 7.5a
Column shift
D55
D73
Diode (ignition) (column shift) (left side of dash)
Diode (starting) (right side of dash)
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Etcs fuse 10a
Floor shift
Hot at all times
Hot in on or acc
Hot in on or start
Ign fuse 10a
Ignition switch
J/c a42 & a43 (left side of dash)
J/c a45 & d73 (right rear of engine compt)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j73 & j74 (left side of dash) j73
J73
J74
Lh-ig fuse 7.5a
Lock
Met fuse 7.5a
Met-b fuse 5a
Off
Park/neutral position switch (on transmission)
Pnk
Red
St2
Start
Starting/charging system
Stop fuse 15a
Stop light switch (left side of dash)
Transmission revolution sensor (electronically controlled transmission) (in transmission)

4.7L, A/T Wiring Diagram (3 of 3) for Toyota Tundra Limited 2008

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List of elements for 4.7L, A/T Wiring Diagram (3 of 3) for Toyota Tundra Limited 2008:

(center of dash) j/c j77
+b2
A/t oil temp ind
A2 (left front of engine compt)
A24
A4 (right side of engine compt)
Accelerator pedal position sensor (column shift: at accelerator pedal assembly)
Batt
Buzzer
Canh
Canl
Column shift
Combination meter
Computer data lines system
Dim
Efi 1 fuse 25a
Efi relay
Engine control module (right rear of engine compt)
Engine room j/b (left side of engine compt)
Epa
Epa2
Floor shift
Hot at all times
Ig+
Igsw
Ill+
Ill-
Interior lights system
J/b 3 (right side of dash)
J/c a36 (right side of dash)
J/c a44 (left front of engine compt)
J/c j71 (left side of dash)
J/c j74 (left side of dash)
J/c j77 (center of dash)
J/c j78 (left side of dash)
J/c j79 & j80 (left side of dash)
J2 (center of dash)
J24
J25
J3 (right kick panel)
J79
J80
Lcd (sequential shift)
Mrel
Pnk
Power circuit
Red
Sftd
Sftu
Skid control ecu w/ actuator (left side of engine compt)
Sp1
Spd
St1-
Sta
Starting/charging system
Stp
Stsw
Transmission control switch
Vcp2
Vcpa
Vpa
Vpa2

5.7L

5.7L, A/T Wiring Diagram (1 of 3) for Toyota Tundra Limited 2008

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List of elements for 5.7L, A/T Wiring Diagram (1 of 3) for Toyota Tundra Limited 2008:

+bm
Automatic transmission
Crankshaft position sensor (left rear of engine)
D1 (rear of engine compt)
D2 (rear of engine compt)
D63
D64
D74
E01
E02
E03
E04
E05
Engine control module (right rear of engine compt)
Engine coolant temperature sensor (left front of engine compt)
Eta
Etha
Ethw
Ge01
Me01
Ne+
Ne-
Nsw
Nt+
Nt-
Pnk
Red
Red sl1+
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Sp2+
Sp2-
Star
Tho1
Tho2
Throttle position sensor (on throttle body)
Thw
Transmission revolution sensor (turbine) (in transmission)
Vcta
Vcv2
Vta
Vta1
Vta2

5.7L, A/T Wiring Diagram (2 of 3) for Toyota Tundra Limited 2008

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List of elements for 5.7L, A/T Wiring Diagram (2 of 3) for Toyota Tundra Limited 2008:

(left side of dash) j/c a38 & a39
A38
A39
A40
A41
A42
A43
A45
Acc
Acc fuse 7.5a
Column shift
D55
D73
Diode (ignition) (column shift) (left side of dash)
Diode (starting) (right side of dash)
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Etcs fuse 10a
Floor shift
Hot at all times
Hot in on or acc
Hot in on or start
Ign fuse 10a
Ignition switch
J/c a42 & a43 (left side of dash)
J/c a45 & d73 (right rear of engine compt)
J/c j71 (left side of dash)
J/c j73 & j74 (left side of dash)
J/c j73 & j74 (left side of dash) j73
J73
J74
Lh-ig fuse 7.5a
Lock
Met fuse 7.5a
Met-b fuse 5a
Off
Park/neutral position switch (on transmission)
Pnk
Red
St2
Start
Starting/charging system
Stop fuse 15a
Stop light switch (left side of dash)
Transmission revolution sensor (electronically controlled transmission) (in transmission)

5.7L, A/T Wiring Diagram (3 of 3) for Toyota Tundra Limited 2008

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List of elements for 5.7L, A/T Wiring Diagram (3 of 3) for Toyota Tundra Limited 2008:

+b2
A/t oil temp ind
A2 (left side of engine compt)
A24
A4 (right side of engine compt)
Accelerator pedal position sensor (column shift: at accelerator pedal assembly)
Batt
Buzzer
Canh
Canl
Column shift
Combination meter
Computer data lines system
Dim
Efi 1 fuse 25a
Efi relay
Engine control module (right rear of engine compt)
Engine room j/b (left side of engine compt)
Epa
Epa2
Floor shift
Hot at all times
Ig+
Igsw
Ill+
Ill-
Interior lights system
J/b 3 (right side of dash)
J/c a36 (right side of dash)
J/c a44 (left front of engine compt)
J/c j71 (left side of dash)
J/c j74 (left side of dash)
J/c j77 (center of dash)
J/c j78 (left side of dash)
J/c j79 & j80 (left side of dash)
J2 (center of dash)
J24
J25
J3 (right kick panel)
J79
J80
Lcd (sequential shift)
Mrel
Pnk
Power circuit
Pwr
Red
Sftd
Sftu
Skid control ecu w/ actuator (left side of engine compt)
Sp1
Spd
St1-
Sta
Starting/charging system
Stp
Stsw
Tow haul ind
Tow/haul pattern select switch
Transmission control switch
Vcp2
Vcpa
Vpa
Vpa2

WARNING SYSTEMS

Key Reminder & Seat Belt Warning Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Key Reminder & Seat Belt Warning Wiring Diagram for Toyota Tundra Limited 2008:

(bench seat: in right side of front seat) (separate seat: in front passenger's seat) occupant detection ecu
Bgnd
Blink
Bsw
Buckle switch
Buzzer
Canh
Canl
Center airbag ecu (column shift: center of dash) (floor shift: under center console)
Combination meter
D56
Dbe+
Dbe-
Dcty
Door ind
Driver seat belt ind
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compt)
Fsp+
Fsp-
Fsr+
Fsr-
Hot at all times
Hot in on or start
Ig+
Integration control & panel assembly
J/c j71, j72 j73 & j74 (left side of dash)
J/c j77 (center of dash)
J/c j78 (left side of dash)
J/c j83, j84 & j96 (left side of dash)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J3 (right kick panel)
J46
J71
J72
J73
J74
J83
J84
J96
Ksw
Left front door courtesy switch (at left "b" pillar)
Left front seat inner belt switch (in left front seat)
Main body ecu (left side of dash)
Met fuse 7.5a
Met-b fuse 5a
Pbew
Pnk
Right front seat inner belt switch (bench seat: in right side of front seat)
Unlock warning switch (left side of dash)
W/ door lock control
W/o door lock control

Tire Pressure Monitoring Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Tire Pressure Monitoring Wiring Diagram for Toyota Tundra Limited 2008:

+5v
Clsw
Combination meter
Computer data lines system
D56
Driver side j/b (left side of dash)
Ecu-ig 1 fuse 7.5a
Engine room r/b (left side of engine compt)
Gnd
Gnd2
Hot in on or start
Ind
J/c j71 & j72 (left side of dash)
J/c j78 (left side of dash)
J1 (column shift: left side of dash) (floor shift: left kick panel)
J71
J72
Met fuse 7.5a
Pnk
Rda
Rf5v
Sil
Skid control ecu w/ actuator (left side of engine compt)
Spd
Tire pressure ind
Tire pressure warning antenna & receiver (center rear of roof)
Tire pressure warning ecu (right side of dash)
Tire pressure warning reset switch

WIPER/WASHER

Front Wiper/Washer with Intermittent Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Front Wiper/Washer with Intermittent Wiring Diagram for Toyota Tundra Limited 2008:

A2 (5.7l: left side of engine compt) (except 5.7l: left front of engine compt)
A4 (right side of engine compt)
Combination meter
D66
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Except optitron meter
Front washer switch
Front window regulator motor (left rear of engine compt)
Front wiper switch
High
Hot in on or start
Int
J12
J13
J3 (right kick panel)
Junction connector a36 (right side of dash)
Junction connector a44 (left front of engine compt)
Low/ mist
Met fuse 7.5a
Off
Optitron meter
Pnk
Red
Solid state
Washer fluid level sensor (right front of engine compt)
Washer ind
Washer motor (right front of engine compt)
Windshield wiper switch
Wiper fuse 30a
Wsh fuse 20a

Front Wiper/Washer without Intermittent Wiring Diagram for Toyota Tundra Limited 2008

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List of elements for Front Wiper/Washer without Intermittent Wiring Diagram for Toyota Tundra Limited 2008:

(left front of engine compt) junction connector a44
A2 (5.7l: left side of engine compt) (except 5.7l: left front of engine compt)
A4 (right side of engine compt)
Combination meter
D66
Driver side j/b (left side of dash)
Engine room r/b (left side of engine compt)
Except optitron meter
Front washer switch
Front window regulator motor (left rear of engine compt)
High
Hot in on or start
J12
J13
J3 (right kick panel)
Junction connector a36 (right side of dash)
Low
Met fuse 7.5a
Mist
Off
Optitron meter
Pnk
Red
Washer fluid level sensor (right front of engine compt)
Washer ind
Washer motor (right front of engine compt)
Windshield wiper switch
Wiper fuse 30a
Wsh fuse 20a