All Wiring Diagrams for Toyota Sienna LE 2002

AIR CONDITIONING

Automatic A/C Wiring Diagram, Rear A/C for Toyota Sienna LE 2002

List of elements for Automatic A/C Wiring Diagram, Rear A/C for Toyota Sienna LE 2002:

(dash harness, behind upper right side of dash) i11
(front side of right fender apron) ea
(left rear quarter panel) bm
(near left front suspension support) ed
(right rear quarter panel) bo
A/c control assembly
A23
A24
A25
Auto
Blower motor (rear cooling unit) (on rear cooling unit)
Blower motor (rear heater) (on rear heater unit)
Blower resistor transistor (cooler) (on rear cooling unit)
Blower resistor transistor (heater) (under right middle seat)
Blwc
Blwh
Blwr
Bmc
C20
C21
D20
Dome fuse 10a
Driver side j/b 1 (behind dash, left of steering column)
Driver side r/b 5 (behind dash, left of steering column)
Engine room j/b 2 (on left side of engine compartment)
Front blower heater switch
Fusible link block (on left side of engine compartment, inside engine room j/b 2)
Gnd
Heater fuse 10a
Hot at all times
Hot in on or start
Hrc
Hrh
I11 (dash harness, behind upper right side of dash)
Ig+
J/b 3 (behind combination meter)
J/c 17 (upper right side of dash)
J/c 18 (on underside of steering column)
J/c 23 (forward of right rear fenderwell)
J/c 3 (left side of combination meter)
J/c 6 (behind top center of dash)
J/c 8 (behind top center of dash)
J12
Mhc
Mhh
Pnk
R/b 7 (on left front of engine compartment)
R/b 8 (on right rear of engine compart- ment)
Ra/c
Rbat
Rear a/c switch
Rear heater intake air temperature sensor (under right middle seat)
Rear heater relay
Red
Rhi
Rlo
Rmi
Rr a/c fuse 40a
Rr clr fuse 40a
Rr clr relay
Rrat
Rrhi
Rrlo
Rrme
Rron
Servo motor (under center of middle seat)
Tinh
Tph
Tset
V10
Vmc
Vmh

Automatic A/C Wiring Diagram, with Towing Package (1 of 3) for Toyota Sienna LE 2002

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List of elements for Automatic A/C Wiring Diagram, with Towing Package (1 of 3) for Toyota Sienna LE 2002:

(near left front suspension support) ed
(right kick panel) ij
A/c control assembly
A23
A24
A25
Ac1
Acon
Aif
Air
Air inlet control servo motor (behind upper right side of dash)
Air vent mode control servo motor (behind left center of dash)
Alt fuse 140a
Auto
B/l
Blower motor (behind right side of dash)
Blw
Blwc
Blwh
C20
D20
D21
Def
Defogger system
Driver side j/b 1 (behind dash, left of steering column)
Face
Fdef
Foot
Front blower heater switch
Front blower motor controller (behind right side of dash)
Front heater relay
Fusible link block (on left side of engine compartment, inside engine room j/b 2)
Gnd
Heater fuse 10a
Hot at all times
Hot in on or start
Hrc
Hrh
Htr fuse 50a
I2 (dash harness, behind combination meter)
Ig+
Instrument cluster system
J/b 3 (behind combination meter)
J/c 17 (behind upper right side of dash)
J/c 8 (behind top center of dash)
Junction connector (behind left side of combination meter)
Lock
Mfrs
Mhc
Mhh
Mrs
Passenger side r/b 4 (at right kick panel)
Pnk
Psw
Rbat
Rear a/c circuit
Red
Rrat
Rrhi
Rrlo
Rrme
Rron
Spd
Taco
Tam
Tinh
Tpd
Tph
Tpi
Tset
Vmc
Vmh

Automatic A/C Wiring Diagram, with Towing Package (2 of 3) for Toyota Sienna LE 2002

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List of elements for Automatic A/C Wiring Diagram, with Towing Package (2 of 3) for Toyota Sienna LE 2002:

(behind top center of dash) j/c 7
A/c
A/c ambient temperature sensor (on right front of engine compartment)
A/c magnetic clutch & lock sensor (on left front of engine)
A/c room temperature sensor (on left center of dash)
A/c solar sensor (on upper left side of dash)
A/c thermistor (behind lower right side of dash)
A/c triple pressure switch (a/c dual & single pressure switches) (on right front of engine compartment)
Acmg
Air mix control servo motor (behind center of dash)
Dome fuse 10a
Driver side j/b 1 (behind dash, left of steering column)
Dual
Engine control module (behind right side of dash)
Engine room j/b 2 (on left side of engine compartment)
Hot at all times
I11 (dash harness, behind upper right end of dash)
J/c 17 (behind upper right side of dash)
J/c 18 (on underside of steering column)
J/c 6 (behind top center of dash)
J12
Mg clt relay
Pnk
R/b 8 (on right rear of engine compartment)
Rear a/c evaporator temperature sensor (on center of roof)
Red
Single
Tach
Thwo
V10

Automatic A/C Wiring Diagram, with Towing Package (3 of 3) for Toyota Sienna LE 2002

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List of elements for Automatic A/C Wiring Diagram, with Towing Package (3 of 3) for Toyota Sienna LE 2002:

(front side of left fender apron) ee
(front side of right fender apron) ea
(rear side of surge tank) ec
(right side of surge tank) eb
A/c condenser fan motor (on right front of engine compartment)
Cds fuse 40a
Diode (magnetic clutch) (on right rear of engine compartment)
E3 (engine room main wire harness, behind left headlamp)
Engine room j/b 2 (on left side of engine compartment)
Engine room r/b 1 (on left side of engine compartment)
Fan 1 relay
Fan 2 relay
Fan 3 relay
I12 (engine room main wire harness, behind right side of dash) dash)
J/c 14 (behind lower right side of dash)
J/c 8 (behind top center of dash)
J13
Main 1 relay
Main 2 relay
Pnk
Radiator fan motor (on left front of engine compartment)
Rdi fuse 40a
Red
Short pin
Water temperature switch 1 (on right front of engine compartment)
Water temperature switch 2 (on rear of engine)

Automatic A/C Wiring Diagram, without Towing Package (1 of 3) for Toyota Sienna LE 2002

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List of elements for Automatic A/C Wiring Diagram, without Towing Package (1 of 3) for Toyota Sienna LE 2002:

(near left front suspension support) ed
(right kick panel) ij
A/c control assembly
A23
A24
A25
Ac1
Acon
Aif
Air
Air inlet control servo motor (behind upper right side of dash)
Air vent mode control servo motor (behind left center of dash)
Alt fuse 140a
Auto
B/l
Blower motor (behind right side of dash)
Blw
Blwc
Blwh
C20
D20
D21
Def
Defogger system
Driver side j/b 1 (behind dash, left of steering column)
Face
Fdef
Foot
Front blower heater switch
Front blower motor controller (behind right side of dash)
Front heater relay
Fusible link block (on left side of engine compartment, inside engine room j/b 2)
Gnd
Heater fuse 10a
Hot at all times
Hot in on or start
Hrc
Hrh
Htr fuse 50a
I2 (dash harness, behind combination meter)
Ig+
Instrument cluster system
J/b 3 (behind combination meter)
J/c 17 (behind upper right side of dash)
J/c 8 (behind top center of dash)
Junction connector (behind left side of combination meter)
Lock
Mfrs
Mhc
Mhh
Mrs
Passenger side r/b 4 (at right kick panel)
Pnk
Psw
Rbat
Rear a/c circuit
Red
Rrat
Rrhi
Rrlo
Rrme
Rron
Spd
Taco
Tam
Tinh
Tpd
Tph
Tpi
Tset
Vmc
Vmh

Automatic A/C Wiring Diagram, without Towing Package (2 of 3) for Toyota Sienna LE 2002

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List of elements for Automatic A/C Wiring Diagram, without Towing Package (2 of 3) for Toyota Sienna LE 2002:

(behind top center of dash) j/c 7
(dash harness, behind upper right end of dash) i11
A/c
A/c ambient temperature sensor (on right front of engine compartment)
A/c magnetic clutch & lock sensor (on left front of engine)
A/c room temperature sensor (on left center of dash)
A/c solar sensor (on upper left side of dash)
A/c thermistor (behind lower right side of dash)
A/c triple pressure switch (a/c dual & single pressure switches) (on right front of engine compartment)
Acmg
Air mix control servo motor (behind center of dash)
Dome fuse 10a
Driver side j/b 1 (behind dash, left of steering column)
Dual
Engine control module (behind right side of dash)
Engine room j/b 2 (on left side of engine compartment)
Hot at all times
I11 (dash harness, behind upper right end of dash)
J/c 17 (behind upper right side of dash)
J/c 18 (on underside of steering column)
J/c 6 (behind top center of dash)
J12
Mg clt relay
R/b 8 (on right rear of engine compartment)
Rear a/c evaporator temperature sensor (on center of roof)
Red
Single
Tach
Thwo
V10

Automatic A/C Wiring Diagram, without Towing Package (3 of 3) for Toyota Sienna LE 2002

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List of elements for Automatic A/C Wiring Diagram, without Towing Package (3 of 3) for Toyota Sienna LE 2002:

(front side of left fender apron) ee
(front side of right fender apron) ea
(rear side of surge tank) ec
(right side of surge tank) eb
A/c condenser fan motor (on right front of engine compartment)
Cds fuse 30a
Diode (magnetic clutch) (on right rear of engine compartment)
Engine room j/b 2 (on left side of engine compartment)
Engine room r/b 1 (on left side of engine compartment)
Fan 1 relay
Fan 2 relay
Fan 3 relay
J/c 14 (behind lower right side of dash)
J/c 8 (behind top center of dash)
J13
Main 1 relay
Radiator fan motor (on left front of engine compartment)
Rdi fuse 30a
Red
Water temperature switch 1 (on right front of engine compartment)
Water temperature switch 2 (on rear of engine)

Manual A/C Wiring Diagram, Rear A/C (1 of 2) for Toyota Sienna LE 2002

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List of elements for Manual A/C Wiring Diagram, Rear A/C (1 of 2) for Toyota Sienna LE 2002:

(right kick panel) ij
(right side kick panel) ij
(under left center pillar) bk
(under left front suspension support) ed
A/c amplifier (behind right side of dash, above kick panel)
A/c fuse 5a
A/c switch
A/mp
Ac1
Act
Blower motor (behind right side of dash)
Blower resistor (behind right side of dash, on blower housing)
Blower switch
C20
Cool
D21
Driver side j/b 1 (behind dash, left of steering column)
Driver side r/b 5 (behind dash, left side of steering column)
Engine room j/b 2 (on left side of engine compartment)
F-a/c
F-te
Fan
Front a/c circuit
Front heater relay
Fusible link block (on left side of engine compartment, inside engine room j/b 2)
Gnd
Heater fuse 10a
Hot
Hot at all times
Hot in on or start
Htr fuse 50a
Ign
J/b 3 (behind combination meter)
J/c 8 (behind top center of dash)
Junction connector (behind left side of combination meter)
Led
Lock
Mcool
Mgc
Mhot
Mode switch
Off
Passenger side r/b 4 (at right kick panel)
Prs
R-hvr
Rr a/c fuse 40a
Servo motor (under center of middle seat)
Sg1
Sg2
Volume switch

Manual A/C Wiring Diagram, Rear A/C (2 of 2) for Toyota Sienna LE 2002

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List of elements for Manual A/C Wiring Diagram, Rear A/C (2 of 2) for Toyota Sienna LE 2002:

(dash harness, behind left side of dash) i5
(floor wire harness, at top of left "b" pillar)
(floor wire harness, at top of left "b" pillar) b2
(floor wire harness, near middle of left "b" pillar) b3
(floor wire harness, right rear side of cargo area) b12
(floor wire harness, right rear side of cargo area) b13
(left rear quarter panel) bm
(near left front suspension support) ed
(right kick panel) ij
B13 (floor wire harness, right rear side of cargo area)
Driver side r/b 5 (behind dash, left of steering column)
Front heater blower switch
J/c 3 (behind left side of combination meter)
Off
Passenger side r/b 3 (on right rear corner of vehicle)
Rear
Rear cooling blower motor (on rear cooling unit)
Rear cooling blower resistor (on rear cooling unit)
Rear heater blower motor (on rear heater unit)
Rear heater blower resistor (on rear heater unit)
Rear heater blower switch
Rear heater relay
Rear hi relay (on right rear of vehicle)
Rear lo relay
Rear m1 relay
Rear m2 relay
Rear relay

Manual A/C Wiring Diagram, with Towing Package (1 of 2) for Toyota Sienna LE 2002

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List of elements for Manual A/C Wiring Diagram, with Towing Package (1 of 2) for Toyota Sienna LE 2002:

(near left front suspension support) ed
(right kick panel) ij
A/c
A/c amplifier (behind right side of dash, above kick panel)
A/c fuse 5a
A/c magnetic clutch & lock sensor (on left front of engine)
A/c switch
A/c thermistor (behind lower right side of dash)
A/c triple pressure switch (a/c dual & single pressure switches) (on right front of engine compartment)
Ac1
Acmg
Act
Air inlet control servo motor (behind upper right side of dash)
Air inlet control switch (rear window defogger switch)
Alt fuse 140a
Blower motor (behind right side of dash)
Blower resistor (behind right side of dash, on blower housing)
Blower switch
C20
Cf e9
D20
D21
Driver side j/b 1 (behind dash, left of steering column)
Driver side r/b 5 (behind dash, left of steering column)
Dual
Engine control module (behind right side of dash)
F-a/c
F-te
Fan
Front heater relay
Fusible link block (on left side of engine compartment, inside engine room j/b 2)
Gnd
Heater fuse 10a
Hot at all times
Hot in on or start
Htr fuse 50a
Ign
J/b 3 (behind combination meter)
J/c 17 (behind upper right side of dash)
J/c 7 (behind top center of dash)
J/c 8 (behind top center of dash)
Junction connector (behind left side of combination meter)
Junction connector (left side of combination meter)
Kick panel) ij
Led
Lock
Mgc
Mode switch
Off
Passenger side r/b 4 (at right kick panel)
Pnk
Prs
Sg1
Single
Tach

Manual A/C Wiring Diagram, with Towing Package (2 of 2) for Toyota Sienna LE 2002

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List of elements for Manual A/C Wiring Diagram, with Towing Package (2 of 2) for Toyota Sienna LE 2002:

(front side of left fender apron) ee
(front side of right fender apron) ea
(rear side of surge tank) ec
(right side of surge tank) eb
A/c condenser fan motor (on right front of engine compartment)
Cds fuse 40a
E3 (engine room main wire harness, behind left headlamp)
Engine room j/b 2 (on left side of engine compartment)
Engine room r/b 1 (on left side of engine compartment)
Fan 1 relay
Fan 2 relay
Fan 3 relay
I12 (engine room main wire harness, behind right side of dash)
J/c 14 (behind lower right side of dash)
J13
Main 1 relay
Main 2 relay
Pnk
Radiator fan motor (on left front of engine compartment)
Rdi fuse 40a
Red
Short pin
Water temperature switch 1 (on right front of engine compartment)
Water temperature switch 2 (on rear of engine)

Manual A/C Wiring Diagram, without Towing Package (1 of 2) for Toyota Sienna LE 2002

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List of elements for Manual A/C Wiring Diagram, without Towing Package (1 of 2) for Toyota Sienna LE 2002:

(near left front suspension support) ed
(right kick panel) ij
(right side kick panel) ij
A/c
A/c amplifier (behind right side of dash, above kick panel)
A/c fuse 5a
A/c magnetic clutch & lock sensor (on left front of engine)
A/c switch
A/c thermistor (behind lower right side of dash)
A/c triple pressure switch (a/c dual & single pressure switches) (on right front of engine compartment)
Ac1
Acmg
Act
Air inlet control servo motor (behind upper right side of dash)
Air inlet control switch (rear window defogger switch)
Alt fuse 140a
Blower motor (behind right side of dash)
Blower resistor (behind right side of dash, on blower housing)
Blower switch
C20
D20
D21
Driver side j/b 1 (behind dash, left of steering column)
Driver side r/b 5 (behind dash, left of steering column)
Dual
Engine control module (behind right side of dash)
F-a/c
F-te
Fan
Front heater relay
Fusible link block (on left side of engine compartment, inside engine room j/b 2)
Gnd
Heater fuse 10a
Hot at all times
Hot in on or start
Htr fuse 50a
Ign
J/b 3 (behind combination meter)
J/c 17 (behind upper right side of dash)
J/c 7 (behind top center of dash)
J/c 8 (behind top center of dash)
Junction connector (behind left side of combination meter)
Led
Lock
Mgc
Mode switch
Off
Passenger side r/b 4 (at right kick panel)
Prs
Sg1
Single
Tach

Manual A/C Wiring Diagram, without Towing Package (2 of 2) for Toyota Sienna LE 2002

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List of elements for Manual A/C Wiring Diagram, without Towing Package (2 of 2) for Toyota Sienna LE 2002:

(front side of left fender apron) ee
(front side of right fender apron) ea
(rear side of surge tank) ec
(right side of surge tank) eb
A/c condenser fan motor (on right front of engine compartment)
Cds fuse 30a
Engine room j/b 2 (on left side of engine compartment)
Engine room r/b 1 (on left side of engine compartment)
Fan 1 relay
Fan 2 relay
Fan 3 relay
J/c 14 (behind lower right side of dash)
J13
Main 1 relay
Radiator fan motor (on left front of engine compartment)
Rdi fuse 30a
Red
Water temperature switch 1 (on right front of engine compartment)
Water temperature switch 2 (on rear of engine)

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams for Toyota Sienna LE 2002

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List of elements for Anti-lock Brake Wiring Diagrams for Toyota Sienna LE 2002:

+bm
+bs
A11
Abs actuator & ecu (left rear of engine compt)
Abs fuse 60a
Abs warning ind
B j3
B13
B17
B18
Brake ind
Brl
C10
C11
Cig fuse 15a
Combination meter
D/g
Data link connector 1 (right rear of engine compt)
Data link connector 3 (below dash, right of steering column)
Diode (w/ door lock control) (behind upper left center of dash)
Driver side j/b 1 (behind dash, left of steering column)
Ea (front side of right fender apron)
Ecu-ig fuse 15a
Ed (near the left front suspension support)
Ee (front side of left fender apron)
Engine room j/b 2 (left side of engine compt)
Fl+
Fl-
Fr+
Fr-
Gauge fuse 10a
Gnd1
Gnd2
Headlights system
Hot at all times
Hot in on or acc
Hot in on or start
I2 (behind top left side of dash)
Ig (left side of dash)
Ig1
Ij (right side of dash)
Init
J/b 3 (behind instrument cluster)
J/c 17 (behind upper right side of dash)
J/c 2, j/c 3 (behind left side of dash)
J/c 6 (behind top center of dash)
J10
J2 b
Left front abs speed sensor
Left rear abs speed sensor
Nca
Park/neutral position switch (on transaxle)
Pkb
Pnk
R/b 7 (left front of engine compt)
Red
Right front abs speed sensor
Right rear abs speed sensor
Rl+
Rl-
Rr+
Rr-
Sil
Speedo- meter
Spo
Stop fuse 15a
Stop- light switch
Stp
Tire pressure ind
Tire pressure warning standardization switch (left side of dash)
W/ door lock control
W/o door lock control
Wtir

ANTI-THEFT

Forced Entry Wiring Diagram for Toyota Sienna LE 2002

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List of elements for Forced Entry Wiring Diagram for Toyota Sienna LE 2002:

+b1
+b2
A10
B9 (body harn, left rear wheelwell)
Back door courtesy switch
Back door unlock detection switch
Bk (under left center pillar)
Cty
D18
Dcty
Dome fuse 10a
Door fuse 25a
Door locks system
Driver side j/b 1 (behind dash, left of steering column)
Dswd
Dswh
Dswl
Dswp
Ea (front side of right fender apron)
Ecu-ig fuse 15a
Engine control module
Engine hood courtesy switch (on front of engine compt)
Engine room j/b 2 (on left side of engine compt)
Exterior lights system
Head
Headlights system
Horn
Horn fuse 10a
Horns system
Hot at all times
Hot in on or start
I16
If (left kick panel)
Ii (right kick panel)
Ij (right side of dash)
Imld
Ind
Integration relay
J/b 3 (behind instrument cluster
J/c 15 (behind upper right side of dash)
J/c 18 (on under- side of steering column)
J/c 2, j/c 3 (behind left side of instrument cluster)
J/c 22 (right rear corner of vehicle)
J/c 4 (behind upper left side of dash)
J/c 5 (behind upper right side of dash)
J/c 9 (behind top center of dash)
J12
Ksw
Left front door courtesy switch
Left slide door courtesy switch
Left slide door junction connector (unlock detection switch & button contacts) (at base of left "b" pillar)
Lswd
Lswp
Lswr
Pani
Pcty
Red
Right front door courtesy switch
Right slide door courtesy switch
Right slide door junction connector (unlock detection switch & button contacts) (at base of right "b" pillar)
Scty
Sh-
Tail
Theft deterrent ecu (behind center of dash)
Theft deterrent horn (on right rear of engine compt)
Theft deterrent indicator light
Ul2
Ul3
W/ power slide door a
W/o power slide door b

Immobilizer Wiring Diagram for Toyota Sienna LE 2002

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List of elements for Immobilizer Wiring Diagram for Toyota Sienna LE 2002:

(w/ anti-theft)
Batt
Code
Ea (front side of right fender apron)
Ed (near the left front suspension support)
Ee (front side of left fender apron)
Efi fuse 15a
Efi relay
Engine control module (behind right side of dash)
Engine room j/b 2 (on left side of engine compt)
Forced entry circuit
Gnd
Hot at all times
Ij (right side of dash)
Imld
J/b 3 (behind instrument cluster)
J/c 2, j/c 3 (behind left side of instrument cluster)
J/c 6 (behind top center of dash)
Ksw
Mrel
Pwr
Rxck
Transponder key amplifier (behind left side of dash)
Txct
Unlock warning switch

BODY COMPUTER

Body Computer Wiring Diagrams, with Power Door Locks for Toyota Sienna LE 2002

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List of elements for Body Computer Wiring Diagrams, with Power Door Locks for Toyota Sienna LE 2002:

(not used)
Act+
Act-
Actd
Anti-theft system
Auto
Bcty
Bzr
Cig fuse 15a
Csb
Cse
Cso
D19
Dcty
Dome fuse 10a
Door fuse 25a
Door locks system
Dout
Driver side j/b 1 (behind dash, left of steering column)
Engine room j/b 2 (left side of engine compt)
Gauge fuse 10a
H11
Headlights system
Hot at all times
Hot in run or acc
Hot in run or start
Hot w/ light sw in head or park
Hrly
I13
I16
Ij (right kick panel)
Integration relay
Interior lights system
J/b 3 (behind cluster)
J/c 18 (underside of steering column)
J12
Ksw
Left front door courtesy switch
Lsds
Lswd
Lswp
P/w
Pani
Pcty
Pkbl
Pnk
Power windows system
Prg
Rda
Red
S12
Scty
Sld
Tail fuse 10a
Trly
Trunk, tailgate, fuel door system (power sliding door circuit)
Ul1
Ul2
Ul3
V10
V11
Warning system
Wrn
Wrnp

Body Computer Wiring Diagrams, without Power Locks for Toyota Sienna LE 2002

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List of elements for Body Computer Wiring Diagrams, without Power Locks for Toyota Sienna LE 2002:

(not used)
Cig fuse 15a
Dcty
Dome fuse 10a
Driver side j/b 1 (behind dash, left of steering column)
Engine room j/b 2 (left side of engine compt)
Gauge fuse 10a
H11
Headlights system
Hot at all times
Hot in run or acc
Hot in run or start
Hot w/ light sw in head or park
Hrly
I13
Ij (right kick panel)
Integration relay
Interior lights system
J/c 18 (underside of steering column)
J12
Ksw
Left front door courtesy switch
Pcty
Pkbl
Red
S12
Scty
Tail fuse 10a
Trly
V10
V11
Warning system
Wrn
Wrnp

COMPUTER DATA LINES

Computer Data Lines for Toyota Sienna LE 2002

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List of elements for Computer Data Lines for Toyota Sienna LE 2002:

(rear side of surge tank) ec
(right side of dash) ij
Abs actuator & ecu (left rear of engine compt)
B11
Center air bag sensor assembly (below center of dash)
Cruise control ecu (behind left center of dash)
D/g
Data link connector 1 (right rear corner of engine compt)
Data link connector 3 (below dash, right of steering column)
Driver side j/b 1 (behind dash, left of steering column)
E4 (eng harn, center rear of eng compt)
Efi fuse 15a
Efi relay
Engine control module (behind right side of dash)
Engine room j/b 2 (left side of engine compt)
Hot at all times
I2 (dash harn, left side of dah)
J/b 3 (behind instrument cluster)
J/c 14 (behind lower right side of dash)
J/c 17 (upper right side of dash)
J/c 18 (w/ vsc) (on underside of steering column)
J/c 2 (behind left side of instrument cluster)
J/c 6 (behind top center of dash)
J/c 8 (behind top center of dash)
J10
Obd fuse 7.5a
Red
Red red
Sil
Translate ecu (w/ vsc) (upper left end of dash)
Vsc ecu (upper left end of dash)

COOLING FAN

Cooling Fan Wiring Diagram, with Towing Package for Toyota Sienna LE 2002

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List of elements for Cooling Fan Wiring Diagram, with Towing Package for Toyota Sienna LE 2002:

(right kick panel)
A/c amplifier (behind right side of dash)
A/c condenser fan motor (right front of engine compt)
A/c single pressure switch (right front of engine compt)
Alt fuse 140a
Auto a/c
Cds fuse 40a
Driver side j/b (behind dash, left of steering column)
E3 (engine harn, behind left headlight)
Ea (front of right front fender)
Eb (right side of surge tank)
Ee (front of left front fender)
Engine control module (behind right side of dash)
Engine room j/b 2 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Fan 1 relay
Fan 2 relay
Fan 3 relay
Fusible link block (left side of engine compt)
Heater fuse 10a
Hot at all times
Hot in on or start
I12
J/c 4 (behind lower right side of dash)
J/c 8 (behind top center of dash)
J13
Magnetic clutch diode (right rear of engine compt)
Main 1 relay
Main 2 relay
Manual a/c
Pnk
Radiator fan motor (left front of engine compt)
Rdi fuse 40a
Red
Short pin
Water temperature switch 1 (rear of engine)
Water temperature switch 2 (left rear of engine)

Cooling Fan Wiring Diagram, without Towing Package for Toyota Sienna LE 2002

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List of elements for Cooling Fan Wiring Diagram, without Towing Package for Toyota Sienna LE 2002:

A/c amplifier (behind right side of dash)
A/c condenser fan motor (right front of engine compt)
A/c single pressure switch (right front of engine compt)
Alt fuse 140a
Auto a/c
Cds fuse 30a
Driver side j/b (behind dash, left of steering column)
Ea (front of right front fender)
Eb (right side of surge tank)
Ee (front of left front fender)
Engine control module (behind right side of dash)
Engine room j/b 2 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Fan 1 relay
Fan 2 relay
Fan 3 relay
Fusible link block (left side of engine compt)
Heater fuse 10a
Hot at all times
Hot in on or start
J/c 14 (behind lower right side of dash)
J/c 8 (behind lower right side of dash)
J13
Magnetic clutch diode (right rear of engine compt)
Main 1 relay
Manual a/c
Radiator fan motor (left front of engine compt)
Rdi fuse 30a
Red
Water temperature switch 1 (rear of engine)
Water temperature switch 2 (left rear of engine)

CRUISE CONTROL

Cruise Control Wiring Diagram for Toyota Sienna LE 2002

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List of elements for Cruise Control Wiring Diagram for Toyota Sienna LE 2002:

(w/ vsc)
(w/o vsc)
A13
Abs & traction ecu (translate ecu) (behind upper left end of dash)
B10
B14
B18
C10
C22
Cancel
Ccs
Cig fuse 15a
Combination meter
Combination switch
Cruise
Cruise control actuator (on left side of engine compartment)
Cruise control ecu (behind upper left center of dash)
Cruise control indicator
Cruise control switch
D position switch (park/neutral position switch) (on transaxle)
D13
Data link connector 1 (on right rear of engine compt)
Data link connector 3 (below dash, right of steering column)
Diode (park/neutral position switch) (behind upper left center of dash)
Driver side j/b 1 (behind dash, left of steering column)
E10
Ect
Ecu-ig fuse 15a
Electronically controlled transmission solenoid (on left side of transaxle)
Engine control module (behind right side of dash)
Gauge fuse 10a
Gnd
Hot at all times
Hot in acc or on
Hot in on or start
I2 (dash harn, behind left side of dash)
Idl
Idlo
Ig (left side of dash)
Ih (right instrument panel brace)
J/b 3 (behind instrument cluster)
J/c 13 (behind lower right side of dash)
J/c 17 (behind upper right side of dash)
J/c 18 (on underside of steering column)
Od1
Pnk
Resume/ accel
Set/ coast
Spd
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Stp

DEFOGGERS

Defogger Wiring Diagram for Toyota Sienna LE 2002

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List of elements for Defogger Wiring Diagram for Toyota Sienna LE 2002:

A/c control assembly (auto a/c)
C21
Def fuse 30a
Defogger relay
Driver side j/b 1 (behind dash, left of steering column)
Ed (near left front suspension support)
Heater fuse 10a
Hot at all times
Hot in on or start
If (left kick panel)
Ii (right kick panel)
J/b 3 (behind instrument cluster)
J/c 22 (on right rear corner of vehicle)
J12
J13
Left mirror heater (part of left remote control mirror)
Mirror-heater fuse 10a
R15
R16
Rear window defogger
Rear window defogger switch (manual a/c)
Right mirror heater (part of right remote control mirror)
Solid state

ENGINE PERFORMANCE

3.0L

3.0L, Engine Performance Wiring Diagrams (1 of 4) for Toyota Sienna LE 2002

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List of elements for 3.0L, Engine Performance Wiring Diagrams (1 of 4) for Toyota Sienna LE 2002:

(engine harn, front of engine)
(engine harn, right side of engine)
(right side of dash)
(right side of dash) j/c 12
Acis
Afl+
Afl-
Afr+
Afr-
Below right side of dash) i10
Conn e11
Conn e12
Crankshaft position sensor (front of engine)
Cruise control ecu
E01
E02
E03
E04
E05
E2g
Eb (right side of surge tank)
Ec (rear side of surge tank)
Electronically controlled transmission solenoid (on left side of transaxle)
Engine control module (behind right side of dash)
Evp1
Htl
Htr
I10
Idle air control valve (on throttle body assembly)
Igf
Igniter and ignition coils
Igt1
Igt2
Igt3
Igt4
Igt5
Igt6
Injector 1
Injector 2
Injector 3
Injector 4
Injector 5
Injector 6
J/c (right side of dash)
J/c 12
J/c 13 (behind right side of dash)
J/c 14 (behind right side of dash)
Knkl
Knkr
Knock sensor (top of engine)
Left camshaft position sensor (rear of left cyl head)
Left vvt solenoid (left rear of engine)
Mass airflow meter (on left side of engine compt, part of air intake assembly)
Nc2+
Nc2-
Nca
Ne+
Ne-
Noise filter (on center right side of fire- wall)
O/d direct clutch speed sensor (top front of transaxle)
Oc1+
Oc1-
Oc2+
Oc2-
Pnk
Power steering oil pressure switch (right front of engine)
Red
Right camshaft position sensor (rear of right cyl head)
Right vvt solenoid (center rear of engine)
Rso
Sln+
Sln-
Tha
Tho
Thw
Tpc
Vta1
Vv1+
Vv2+

3.0L, Engine Performance Wiring Diagrams (2 of 4) for Toyota Sienna LE 2002

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List of elements for 3.0L, Engine Performance Wiring Diagrams (2 of 4) for Toyota Sienna LE 2002:

(base of left "b" pillar)
(behind right side of dash at ecu) a/f heater relay
(behind right side of dash)
(dash harn, behind right side of dash)
(dash harn, lower right end of dash)
(engine harn, right side of engine)
A/f htr fuse 25a
Acc
Air fuel ratio sensor (bank 1, sensor 1) (right exhaust manifold)
Air fuel ratio sensor (bank 2, sensor 1) (left exhaust manifold)
Am2
B11
C10
Cir opn relay
Driver side j/b 1 (behind dash, left of steering column)
Ea (front of right front fender)
Ec (rear side of surge tank)
Ee (front of left front fender)
Efi fuse 15a
Efi relay
Engine room j/b 2 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Fuel pump (in fuel tank)
Heated oxygen sensor (bank 1, sensor 2) (on exhaust pipe)
Hot at all times
I11
I13 (dash harn, lower right end of dash)
Ig2
Ign fuse 5a
Ignition switch
Ij (right kick panel)
J/b 3 (behind instrument cluster)
J/c 13 (behind right side of dash)
J/c 14
J/c 6 (behind top center of dash)
J/c 7 (behind top center of dash)
Lock
Nca
P/n
Park/ neutral position switch (on transaxle)
Red
St2
Start
Starter fuse 5a
Starting system (st relay)
Vsv (intake air control 2) (top of engine)

3.0L, Engine Performance Wiring Diagrams (3 of 4) for Toyota Sienna LE 2002

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List of elements for 3.0L, Engine Performance Wiring Diagrams (3 of 4) for Toyota Sienna LE 2002:

(behind right side of dash) j/c12
(left front shock tower)
(right dash brace) ih
A/t indicator light switch (integral to park/ neutral position switch (on transaxle)
Anti-lock brake system
B13
C10
C11
C12
C13
Cig fuse 15a
Combination meter
D n
D12
Diode (p/n) (w/ door lock control) (behind center of dash, taped to harness)
Driver side j/b 1 (behind dash, left of steering column)
Engine coolant temperature sensor (on right front side of engine)
Gauge fuse 10a
Hot in on or acc
Hot in on or start
I8 (dash harn, center of dash)
Ij (right kick panel)
J/b 3 (behind inst cluster)
J/c 17 (behind upper right side of dash)
J/c 18 (underside of steering column)
J/c 2
J/c 2 (behind left side, top of dash)
J/c 2, 3 (behind left side, top of dash)
J/c 3
J/c 7 (behind top center of dash)
J/c 7 (top center of dash)
Malf ind lamp
O/d main switch
O/d off ind
Ptnk
Speedo- meter
Tacho- meter
Throttle position sensor (on throttle body assembly)
Vapor pressure sensor (left side of firewall)
Vcc
Vsv (canister closed valve) (left rear of eng compt)
Vsv (evap) (top of engine)
Vsv (intake air control) (top center of engine)
Vsv (vapor pressure sensor) (left rear of eng compt)

3.0L, Engine Performance Wiring Diagrams (4 of 4) for Toyota Sienna LE 2002

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List of elements for 3.0L, Engine Performance Wiring Diagrams (4 of 4) for Toyota Sienna LE 2002:

A red
A/c
A/c system
A13
Acmg
Anti-lock brakes system
Anti-theft system
B18
Bat
Batt
C18
Ccv
Code
Conn e10
Conn e8
Conn e9
Cooling fans system
Cruise control system
Data link connector 1 (right rear of engine compt)
Data link connector 3 (below dash, right of steering column)
Driver side j/b 1 (behind dash, left of steering column)
Ec (right side of surge tank)
Ed (left front shock tower)
Els
Els2
Eng+
Eng-
Engine control module (behind right side of dash)
Eom
F/ps
Hot at all times
Hot w/defogger relay energized
Hot w/taillight relay energized
Hts
I11 (dash harn, behind right side of dash)
I12 (dash harn, behind left side of dash)
Idlo
Igsw
Ij (right kick panel)
Imld
J/b 3 (behind instrument cluster)
J/c 14 (behind right side of dash)
J/c 2
J/c 2, 3 (behind left side, top of dash)
J/c 3
J/c 3 (behind left side, top of dash)
J/c 6 (behind top center of dash)
J10
J11
Ksw
Mirror- heater fuse 10a
Mrel
Neo
Nsw
Obd fuse 7.5a
Od1
Odlp
Odms
Oxs
Ptnk
Red
Red a
Rxck
Sil
Spd
Sta
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Stp
Tach
Tail fuse 10a
Thwo
Tpc
Transponder key amplifier (behind left side of dash)
Trc+
Trc-
Txct
Unlock warning switch

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Toyota Sienna LE 2002

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List of elements for Back-up Lamps Wiring Diagram for Toyota Sienna LE 2002:

(body harn, left side of liftgate)
B11
Back-up light relay (near driver side j/b 1)
Back-up light switch (on transaxle)
Cig fuse 15a
Diode (park/neutral position switch) (behind center of dash, taped to harness)
Driver side j/b 1 (behind dash left of steering column)
Gauge fuse 10a
Hot in acc or on
Hot in start or on
Ij (right side of dash)
J/c 17 (behind upper right side of dash)
J/c 22 (right rear corner of vehicle)
J/c 7 (behind top center of dash)
Left back-up light (left rear comb light)
Pnk
R10
Right back-up light (right rear comb light)
W/ pwr door locks
W/o pwr door locks

Exterior Lamps Wiring Diagram for Toyota Sienna LE 2002

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List of elements for Exterior Lamps Wiring Diagram for Toyota Sienna LE 2002:

(right side of dash) ij
(upper right side of dash) j/c 17
(w/ pwr locks)
(w/o pwr locks)
B11 (left side of liftgate)
B14 (right side of liftgate)
Bk (under left
Bm (left quarter
C10
C11
Center pillar)
Comb- ination meter
Comb- ination switch
D11
Driver's side j/b 1 (behind dash, left of steering column)
Driver's side j/b 1 (left of steering column)
Ea (front of right fender apron)
Ed (left front suspension support)
Engine room j/b 2 (left side of engine compt)
From driver's side j/b 1 (diagram 1 of 1)
Fusible link block (left side of engine compt)
Hazard fuse 10a
Hazard switch
Head
High mounted stoplight
Hot at all times
Hot in on or start
Inp fuse 100a
Integration relay (driver side j/b 1)
J/b 3 (behind instrument cluster)
J/c 2 & 3 (left side of dash) j3
J/c 2 & 3 (left side of j2 dash)
J/c 20 (behind left rear wheelwell)
J/c 21 (behind left rear wheelwell)
J/c 22 (right rear corner of vehicle)
J/c 3 (left side of dash)
J/c 5 (behind top center of dash)
Left front turn/ park light
Left rear combination light
License
Light ctrl switch
Off
Panel)
Plate light
R10
R11
Right front turn/ park light
Right rear combination light
Stop
Stop fuse 15a
Stop- light switch (on bracket above brake pedal)
Tail
Tail fuse 10a
Tail- light relay
To j/c 17 (diagram 1 of 1)
To left rear combination light (diagram 1 of 1)
To right rear combination light (diagram 1 of 1)
Turn
Turn fuse 7.5a
Turn signal flasher (behind left side of dash)
Turn signal ind
Turn signal switch

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Toyota Sienna LE 2002

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List of elements for Ground Distribution Wiring Diagram (1 of 3) for Toyota Sienna LE 2002:

(eng harn, left front corner of eng compt)
(eng harn, top front of engine) e5
(on left front of engine compt) r/b 7
(on left side of engine compt) engine room r/b 1
(on right rear of engine compt) r/b 8
Abs actuator & ecu
B4 (body harness, inside left front door)
B5 (body harness, inside right front door)
Cigarette lighter
Combination meter
Data link connector 1
Data link connector 3
Daytime running light relay (main)
Drl relay
E11
E12
Ea (front side of right fender apron)
Eb (right side of surge tank)
Ec (rear side of surge tank)
Ee (front side of left fender apron)
Efi relay
Engine control module
Engine hood courtesy switch
Engine room j/b 2 (on left side of engine compt)
Fan 1 relay
Fan 2 relay
Front power outlet
Front right door lock control switch
Heated oxygen sensor (bank 1 sensor 2)
Idle air control valve
If (left kick panel)
Ignition coil & ignitor 1
Ignition coil & ignitor 2
Ignition coil & ignitor 3
Ignition coil & ignitor 4
Ignition coil & ignitor 5
Ignition coil & ignitor 6
Ii (right kick panel)
J/c 13 (behind lower right side of dash)
J/c 14 (behind lower right side of dash)
J/c 8 (behind top center of dash)
J10
J15 j/c 15, j/c 16 (behind upper right side of dash)
J16
Left front door key lock & unlock switch
Left front door lock motor & detection switch
Left remote control mirror
Main relay 1
Main relay 2
Power slide door main switch
Power window master switch
Radiator fan motor
Rear clr relay
Remote control mirror switch
Rheostat
Right foglight
Right front door key lock & unlock switch
Right front door lock motor & detection switch
Right front turn signal & parking light
Right remote control mirror
Theft deterrent ecu
Theft deterrent indicator light
W/ tow package
W/o tow package
Washer level warning switch
Water temp switch 1

Ground Distribution Wiring Diagram (2 of 3) for Toyota Sienna LE 2002

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List of elements for Ground Distribution Wiring Diagram (2 of 3) for Toyota Sienna LE 2002:

(at right kick panel) passenger side r/b 4
(behind left side of instrument cluster) j/c 2 & j/c 3
(on left side of engine compt) engine room j/b 2
(on right rear of eng compt) r/b 8
(w/ power slide door) s14
(w/o power slide door) s14
A/c amplifier
A/f heater relay
Abs actuator & ecu
Abs sol relay
Acc main relay
B10
Back-up light relay
Bl (left side of roof side panel)
Blower motor controller
Blower resistor
Blower switch
Brake fluid level switch
C10
C11
C22
Center air bag sensor assembly
Clock
Combination meter
Cruise control actuator
Cruise control ecu
Cruise control switch
D22
Data link connector 3
Driver side j/b 1 (behind dash, left of steering column)
Driver side r/b 5
Ed (near the left front suspension support)
Front heater blower switch
Front heater relay
Front wiper motor
Garage door opener
I11 (dash harn, right side of dash)
I9 (dash harn, right side of dash)
Ig (left side of dash)
Ij (right side of dash)
Inner mirror
Integration relay
Interior light 1
J/b 3 (behind instrument cluster)
J/c 7 (behind top center of dash)
Keyless buzzer
Left foglight
Left front power slide door control switch
Left front turn signal light & parking light
Left vanity light
Light control & dimmer switches
Moon roof control switch & relay
Moon roof motor & limit switch
Noise filter
O/d main switch
Personal light
Power quarter window switch
Power relay
Rear heater relay
Rear window defogger switch
Right buckle switch
Right front power slide door control switch
Right side door junction connector
Right vanity light
Starter relay
Tire pressure warning standardization switch
To steering sensor (diagram 3 of 3)
Transponder key amplifier
Turn signal flasher
Unlock warning switch
Vsc actuator
W/ moon roof
W/ moon roof a
W/o moon roof
W/o moon roof b
Wiper & washer switch
Wireless door lock ecu

Ground Distribution Wiring Diagram (3 of 3) for Toyota Sienna LE 2002

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List of elements for Ground Distribution Wiring Diagram (3 of 3) for Toyota Sienna LE 2002:

(4 speaker)
(8 speaker)
(dash harn, behind left side of dash)
(w/ power slide door)
(w/o power slide door)
A/c control assembly
A25
Active light relay
Air vent mode control servo motor
B8 (body harn, left quarter panel)
Back door courtesy switch
Back door key lock/ unlock switch
Back door unlock detection switch
Bk (under left center pillar)
Blower resistor transistor (cooler)
Blower resistor transistor (heater)
Bm (left rear quarter panel)
Bo (right rear quarter panel)
C10
Combination meter
Driver's seat heater
Driver's seat heater switch
From ed (diagram 2 of 3)
Front passenger's seat heater
Front passenger's seat heater switch
Fuel pump
Fuel sender
High mounted stop- light
I16
I6 (dash harn, left side of dash)
Ih (right instrument panel brace)
Integration relay
J/c 15, j/c 16 (behind upper right side of dash)
J/c 22 (right rear corner of vehicle)
J/c 23 (forward of right rear fenderwell)
J15
J16
Left buckle switch
Left rear combination light
Left rear power slide control switch
Left rear power slide door control switch
Left side door junction connector
Left slide door ecu
License plate light
Power seat switch
Radio & player
Rear a/c switch
Rear heater blower switch
Rear hi relay
Rear power outlet
Rear window defogger
Rear wiper motor
Right rear combination light
Right rear power slide door control switch
Right slide door ecu
Right slide door junction connector
S12
S14
S29
S31
Seat heater relay
Steering sensor
Stereo component amplifier
Trac off switch
Translate ecu
Volume switch
Vsc ecu

HEADLIGHTS

Headlight Wiring Diagram (1 of 2) for Toyota Sienna LE 2002

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List of elements for Headlight Wiring Diagram (1 of 2) for Toyota Sienna LE 2002:

(left front suspension support)
(right side of dash) ij
(w/ vsc)
Abs actuator and ecu (on left rear of engine compt)
Auto
Automatic light control sensor (if equipped) (top left side of dash)
B19
Brake fluid level warning switch (on brake fluid reservoir)
Brake indicator
Brk
Chg-
Cltb
Clte
Clts
Combination meter
Combination switch
Csb
Cse
Cso
Daytime running light relay (main) (behind dash, right of steering column)
Dcty
Dim
Dimmer switch
Dome fuse 10a
Driver side j/b 1 (behind dash, left of steering column)
Drl
Engine room j/b 2 (on left side of engine compartment)
Exterior lights system
Flash
Fog
Foglight switch
Gauge fuse 10a
H-lp
Head
Head relay
High
High beam indicator
Hot at all times
Hot in on or start
Hrly
Ij (right side of dash)
Ind
Integration relay
J/b 3 (behind instrument cluster)
J/c 17 (behind upper right side of dash)
J/c 18 (behind upper right side of dash)
J/c 2, j/c 3 (behind left side of instrument cluster)
J12
Left front door courtesy switch
Light control switch
Low
Main fuse 40a
Off
Parking brake switch (on parking brake lever)
Pkb
Red
Starting/ charging
Tail
V10
W/ vsc
W/door lock control
W/o door lock control
W/o vsc

Headlight Wiring Diagram (2 of 2) for Toyota Sienna LE 2002

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List of elements for Headlight Wiring Diagram (2 of 2) for Toyota Sienna LE 2002:

A14
A15
C10
D22
Daytime running light diode 2 (behind center of dash, taped to harness)
Dim relay
Drl relay
E1 (left front of engine compt)
Ea (front side of right fender apron)
Ee (front side of left fender apron)
Engine room j/b 2 (on left side of engine compartment)
Fog fuse 20a
Fog light relay (behind right end of dash)
H-lp lh lo fuse 10a
H-lp rh lo fuse 10a
Head lh fuse 15a
Head rh fuse 15a
Hot at all times
Ig (left side of dash)
J/b 3 (behind instrument cluster)
J/c 1 (left front of engine compt, near left headlight)
J/c 7 (behind top center of dash)
Left fog light
Left headlight
R/b 7 (left front of engine compt)
Red
Right fog light
Right headlight

HORN

Horn Wiring Diagram for Toyota Sienna LE 2002

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List of elements for Horn Wiring Diagram for Toyota Sienna LE 2002:

(right front center of engine compt)
Engine room j/b 2 (left side of engine compartment)
High horn
Horn
Horn fuse 10a
Horn relay
Horn switch (part of combination switch)
Hot at all times
I16
Integration relay (on driver's side j/b 1)
J/c 18 (behind upper right side of dash)
K10
Low horn (left front center of engine compt)
Sh-
Theft deterrent ecu (behind center of dash)
Theft deterrent horn (right rear of eng compt)

INSTRUMENT CLUSTER

Clock Wiring Diagram for Toyota Sienna LE 2002

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List of elements for Clock Wiring Diagram for Toyota Sienna LE 2002:

Cig fuse 15a
Clock
Dome fuse 10a
Driver side j/b (left of steering column)
Engine room j/b 2 (left side of eng compt)
Hot at all times
Hot in acc or on
Hot w/ tail relay energized
Ij (right side of dash)
J/c 18 (underside of steering column)
J/c 2 (behind left side of instrument cluster)
J/c 6 (behind top center of dash)
J12
Panel fuse 7.5a
Pnk
Red
V10

Instrument Cluster Wiring Diagram for Toyota Sienna LE 2002

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List of elements for Instrument Cluster Wiring Diagram for Toyota Sienna LE 2002:

(right front of engine) water temperature sender
(w/ vsc)
(w/o vsc)
2 ind
A red e
A10
A11
A12
A13
A14
A15
A16
Abs actuator and ecu (left rear of engine compt)
Abs ind (w/ vsc)
Abs ind (w/o vsc)
Anti-lock brakes system
Anti-lock brakes system (abs ecu)
B10
B11
B12
B13
B19
Brake fluid level warning switch (on brake fluid reservoir)
Brake ind
Brl
Bulb check relay
C10
C10 conn a
C11
C11 conn c
C12
C13
C9 conn b
Charge ind
Combination meter
Cruise control system (cruise control ecu)
Cruise ind
D ind
Daytime running light relay (main) (behind dash, right of steering column)
Dome fuse 10a
Door ind
Door locks system
Door locks system, engine controls system, cruise control system, air conditioning system
Driver side j/b 1 (behind dash, left of steering column)
Ea (front side of right fender apron)
Ebdw
Ec (rear side of surge tank)
Ecu-b fuse 10a
Ed (left front suspension support)
Engine controls system (a/t indicator light switch)
Engine controls system (ecm)
Engine controls system (o/d main switch)
Engine room j/b 2 (left side of engine compt)
Exterior lights system (turn signal switch)
Fuel gauge
Fuel ind
Fuel sender
Gauge fuse 10a
Headlights system (drl relay)
High beam ind
Hot at all times
Hot in on or start
Ign fuse 5a
Ih (right instrument panel brace)
Ij (right side of dash)
Illum
Interior lights system (panel fuse)
Interior lights system (rheostat)
Interior lights system, door lock system
J/b 3 (behind instrument cluster)
J/c 17 (behind upper right side of dash)
J/c 18 (under- side of steering column)
J/c 2, j/c 3 (behind left side of instrument cluster)
J/c 7 (behind top center of dash)
J/c 8 (behind top center of dash)
J12
J2 a
J2 b
J3 a
J3 b
L ind
Malfunction ind lamp
N ind
O/d off ind
Oil ind
Oil pressure switch (left front of engine block)
P ind
Parking brake switch (on parking brake lever)
Pwr
R ind
Red
Seat belt ind
Slip ind
Speedometer
Srs ind
Starting/charging system (generator)
Tachometer
Tire press ind
Trac off ind
Translate ecu (behind upper left end of dash)
Turn l ind
Turn r ind
V10
Vsc ecu (behind upper left end of dash)
Vsc ind
W/ vsc
W/o vsc
Warning systems (integration relay)
Washer ind
Washer level warning switch (in fluid reservoir)
Water temp

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, with Door Locks (1 of 2) for Toyota Sienna LE 2002

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List of elements for Courtesy Lamps Wiring Diagram, with Door Locks (1 of 2) for Toyota Sienna LE 2002:

(body harn, left "a" pillar) b1
Bl (w/ moon roof) (left side of roof side panel)
Diode (dome 4) (behind upper left center of dash)
Dome fuse 10a
Door
Dout
Driver side j/b 1 (behind dash left of steering column)
Engine room j/b 2 (left side of engine compt)
Gauge fuse 10a
Hot at all times
Hot in on or start
I13
Ig (w/o moon roof) (left side of dash)
Integration relay
Interior light 1 (w/ vanity lights)
Interior light 1 (w/o vanity lights)
Interior light 2
J/c 18 (underside of steering column)
J/c 9 (behind top center of dash)
J12
Left front door courtesy light
Left vanity light
M2 red
Off
Pcty
Personal light (w/ vanity lights)
Personal light (w/o vanity lights)
Red
Right front door courtesy light
Right vanity light
V10 red

Courtesy Lamps Wiring Diagram, with Door Locks (2 of 2) for Toyota Sienna LE 2002

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List of elements for Courtesy Lamps Wiring Diagram, with Door Locks (2 of 2) for Toyota Sienna LE 2002:

A10
B10 (left quarter panel)
B12
Back door courtesy switch
Bcty
C10
Combination meter
D19
Dcty
Diode (courtesy 2) (near left rear wheelhouse)
Diode (courtesy 3) (behind center of dash)
Diode (dome 5) (behind upper left center of dash)
Door fuse 25a
Driver side j/b 1 (behind dash left of steering column)
Hot at all times
I1 (behind left kick panel)
I13
I16
Ignition key cylinder light
Ij (right side of dash)
Integration relay
J/b 3 (behind instrument cluster)
J/c 18 (underside of steering column)
J/c 22 (right rear corner of vehicle)
J/c 5 (behind right side of dash)
J/c 6 (behind right side of dash)
Left front door courtesy switch
Left slide door courtesy light
Left slide door courtesy switch
Luggage compartment light switch
Open door warning
Red
Right front door courtesy switch
Right slide door courtesy light
Right slide door courtesy switch
Scty
Wrn

Courtesy Lamps Wiring Diagram, without Door Locks (1 of 2) for Toyota Sienna LE 2002

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List of elements for Courtesy Lamps Wiring Diagram, without Door Locks (1 of 2) for Toyota Sienna LE 2002:

(body harn, left "a" pillar)
Bl (w/ moon roof) (left side of roof side panel)
D18
Dcty
Dome fuse 10a
Door
Driver side j/b 1 (behind dash left of steering column)
Engine room j/b 2 (left side of engine compt)
Gauge fuse 10a
Hot at all times
Hot in on or start
I13
Ig (w/o moon roof) (left side of dash)
Ignition key cylinder light
Ij (right side of dash)
Integration relay
Interior light 1 (w/ vanity lights)
Interior light 1 (w/o vanity lights)
Interior light 2
J/b 3 (behind instrument cluster)
J/c 18 (underside of steering column)
J/c 9 (behind top center of dash)
J12
Left front door courtesy light
Left vanity light
M2 red
Off
Pcty
Personal light (w/ vanity lights)
Personal light (w/o vanity lights)
Red
Red red
Right front door courtesy light
Right vanity light
Scty
V10 red
W1 red

Courtesy Lamps Wiring Diagram, without Door Locks (2 of 2) for Toyota Sienna LE 2002

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List of elements for Courtesy Lamps Wiring Diagram, without Door Locks (2 of 2) for Toyota Sienna LE 2002:

(left quarter panel) b10
A10
A16
B12
B15
Back door courtesy switch
C10
C14
C17
Combination meter
D15
D16
D17
D19
Diode (courtesy 2) (near left rear wheelhouse)
Diode (dome 1) (behind left side of dash)
Diode (dome 2) (behind instrument cluster)
Diode (dome 3) (behind center of dash)
Door fuse 25a
Driver side j/b 1 (behind dash, left of steering column)
Hot at all times
I1 (behind left kick panel)
J/b 3 (behind instrument cluster)
J/c 22 (right rear of vehicle)
J/c 6 (behind top center of dash)
Left front door courtesy switch
Left slide door courtesy light
Left slide door courtesy switch
Luggage compartment light switch
Open door warning
Red
Right front door courtesy switch
Right slide door courtesy switch

Instrument Illumination Wiring Diagram for Toyota Sienna LE 2002

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List of elements for Instrument Illumination Wiring Diagram for Toyota Sienna LE 2002:

(4 spkr)
(8 spkr)
(w/ door lock ctrl)
(w/o door lock ctrl)
A/c control assembly
A/c switch
A24
A25
Ashtray illumination
Bk (under left center pillar)
Blower switch
C11
Clock
Combi- nation meter
Driver side j/b 1 (behind dash, left of steering column)
Ed (near the left front suspension support)
Front heater blower switch
Fusible link box (in engine room j/b, left side of engine compt)
G413 (right rear quarter panel)
Hazard switch
Head
Hot at all times
I9 (behind center of dash)
If (left kick panel)
Ij (right side of dash)
Inp fuse 100a
Instrument panel j/b (behind left side of dash, at lower finish panel)
Integration relay (behind dash, left of steering column, on driver side j/b 1)
J/c 11 (behind upper right side of dash)
J/c 2 (behind left side of instrument cluster)
J/c 21 (behind left rear wheelwell)
J/c 23 (forward of right rear fenderwell)
J/c 3 (behind left side of instrument cluster)
J/c 4 (behind upper left side of dash)
J/c 5 (behind right side of dash)
J/c 9 (behind top center of dash)
Left front power slide door control switch
Left front seat heater switch
Left rear power slide door control switch
Light control switch (part of combination switch)
Off
Panel fuse 7.5a
Power quarter window switch
Power slide door main switch
Radio & player
Rear a/c switch (auto a/c)
Rear heater blower switch (manual a/c)
Rear window defogger switch
Rheostat
Right front power slide door control switch
Right front seat heater switch
Right rear power slide door control switch
Tail
Tail fuse 10a
Taillight relay

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Toyota Sienna LE 2002

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List of elements for Power Distribution Wiring Diagram (1 of 3) for Toyota Sienna LE 2002:

(diagram 2 of 3)
(diagram 3 of 3)
(on left side of engine compt) engine room j/b 2
(on left side of engine compt) engine room r/b 1
A b
A w/o tow package
A/c amplifier, a/c switch
A/c condenser fan motor
A/c fuse 5a
A/f heater relay
A/f htr fuse 25a
Alt fuse 140a
Alt-s fuse 5a
Am2 fuse 30a
Battery
Blower motor
C10
Cds fuse 30a 40a
Combination meter, clock, a/c control assembly, courtesy diodes, daytime running light relay (main), garage door opener, interior & courtesy lights,
Combination meter, left slide door ecu
Data link connector 1, engine control module, vsv, heated oxygen sensor (bank 1 sensor 2), idle air control valve, mass airflow meter, circuit open relay, transponder key amplifier
Dim relay
Dome fuse 10a
Driver side r/b 5 (behind left side of dash)
Ecu-b fuse 10a
Efi fuse 15a
Efi relay
Engine control module
Engine room j/b 2 (on left side of engine compt)
Engine room r/b 1 (left side of eng compt)
Fan 1 relay
Fan 3 relay
From c radio 1 fuse (diagram 1 of 3)
Front heater relay
Fusible link block (on left side of engine compt)
Generator
Hazard fuse 10a
Hazard switch
Head relay
Headlights
Horn fuse 10a
Horn relay
Horn switch
Horns
Htr fuse 50a
Inp fuse 100a
Integration relay, theft deterrent ecu, wireless door lock ecu, personal
J12
Junction connector 1 (near left headlight)
K10
K11
Left head fuse 15a
Left head lower fuse 10a
Left low beam head- light
Light, ignition key cylinder light
Main
Main fuse 40a
Main relay 1
Passenger side r/b 4 (at right kick panel)
R/b 7 (on left front of eng compt)
Radiator fan motor
Radio & player, stereo component amplifier
Radio 1 fuse 20a
Rdi fuse 30a
Rdi fuse 40a
Rear heater relay
Red
Relay 2
Right head fuse 15a
Right head lower fuse 10a
Right low beam head- light
Rr a/c fuse 40a
S/htr fuse 20a
Seat heater relay
Short pin
Theft deterrent ecu
To abs fuse
To am1 fuse (diagram 2 of 3)
To hazard fuse (diagram 1 of 3)
To i4 splice
To ignition switch (diagram 2 of 3)
W/ tow package b

Power Distribution Wiring Diagram (2 of 3) for Toyota Sienna LE 2002

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List of elements for Power Distribution Wiring Diagram (2 of 3) for Toyota Sienna LE 2002:

(behind dash, left of steering column) driver side j/b 1
(under left center pillar) bk
A/c pressure switches, a/c control assembly, a/c amplifier, rear hi relay, defogger relay, fan relays 2 & 3, mg clt relay, main relay 1, rear lo relay, rear m1 & m2 relays, rear relay, front & rear heater relays, rear window defogger switch, rear clr relay, water temperature switch 1, air inlet control servo motor, air vent mode control servo motor
Abs actuator & ecu, cruise control ecu, theft deterrent ecu, power window master switch
Acc
Acc main relay (on driver side j/b 1)
Active light relay, diode (park/neutral position switch), generator, back-up light relay, left/right slide door ecu, daytime running light relay (main), inner mirror, seat heater relay
Am1 fuse 40a
Back-up light switch, center air bag sensor assembly, clock, diode (park/ neutral positon switch), park/neutral position switch
Center air bag sensor assembly, circuit open relay, combination meter, engine control module
Cig fuse 15a
Cigarette lighter
Clock, interior lights system (instrument illumination circuit)
Combination meter,
D pnk
Data link connector 3
Def fuse 30a
Defogger relay
Door fuse 25a
Driver side j/b 1 (behind dash, left of steering column)
Ecu-ig fuse 15a
Ed (near the left front suspension support)
Engine control module, left & right tail lights, front parking lights, license plate light
Engine control module, park/neutral position switch
From alt fuse (diagram 1 of 3)
From am2 fuse (diagram 1 of 3)
From inp fuse (diagram 1 of 2)
From power outlet fuse (diagram 2 of 3)
From radio 2 fuse (diagram 2 of 3)
Front & rear wiper & washer switches, front & rear wiper motors, front & rear washer motors, rear wiper relay
Front power outlet
G12
G13
Gauge fuse 10a
H10
Hazard switch
Heater fuse 10a
If (left kick panel)
Ign fuse 5a
Ignition coils, fuel injectors, noise filter
Ignition switch
Ii (right kick panel)
Integration relay
J/c 16 (behind upper right side of dash)
J10
J11
Junction connector (behind upper right side of dash)
Junction connector j3 (behind left side of dash)
Left side of side) b4
Lock
Mirror heater fuse 10a
Moon roof control switch & relay, power window master switch, right front power window control switch
Obd fuse 7.5a
Panel fuse 7.5a
Pnk
Power fuse 30a
Power quarter window switch
Power relay
Power seat switch, right slide door ecu, power window master switch
Power- outlet fuse 15a
Pwr- vent fuse 15a
Radio & player, stereo component amplifier, radio satellite switch
Radio 2 fuse 7.5a
Rear power outlet
Rear window defogger
Red
Remote control mirror switch
Remote control mirrors, engine control module
S13
Start
Starter fuse 5a
Stop fuse 15a
Stoplight switch
Tail fuse 10a
Tail light relay
Theft deterrent ecu, integration relay
To acc main relay (diagram 2 of 3)
Turn fuse 7.5a
Wiper fuse 25a