All Wiring Diagrams for Toyota Avalon XLS 2003

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003:

(at left front of engine, on surge tank) eb
(in dash harness, at right side of dash) i13
A/c ambient temperature sensor (on lower right front of grille)
A/c control assembly (behind center of dash)
A/c room temperature sensor (behind left center of dash)
A/c solar sensor (on top left side of dash)
A/c thermistor
A10
A15
A16
A21
A22
Ac1
Acin
Aif
Air
Air inlet control servo motor (behind glove box, on a/c- heater housing)
Air mix control servo motor (driver side) (behind left center of dash, on a/c-heater housing)
Air mix control servo motor (passenger side)
Air outlet control servo motor (behind center of dash, on a/c-heater housing)
Amdc
Amdh
Ampc
Amph
Aod
Aof
B21
B22
Blw
C14
C21
Cpu
D10
Driver side j/b (behind left side of dash)
Ecu-b fuse 7.5a
Engine room r/b 5 (on left inner fender panel)
F21
Gnd
H10
Hot at all times
Hot in on or start
Htr fuse 10a
Htr fuse 50a
Htr relay
I11
If (at left kick panel)
Ig+
Ign
Ii (at right kick panel)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Junction connector 1 (on top of left kick panel)
Lock
Multi- display
Pnk
Psw
Red
Spd
Tami
Tpd
Tpi
Tpo
Tpp
Tsd
Tsp
Ver1
W/ floor shift

Automatic A/C Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003

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List of elements for Automatic A/C Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003:

(at front of left front fender) ed
(on right front of engine compartment) a/c condenser fan motor
A/c
A/c blower motor linear controller (behind center of dash)
A/c diode (behind left kick panel, taped to harness)
A/c magnetic clutch & lock sensor (on a/c compressor)
A/c triple pressure switch (a/c dual & single pressure switch) (on lower right front of engine compartment)
Acmg
Blower motor (below right side of dash, on a/c- heater housing)
Cds fuse 30a
Driver side j/b (behind left side of dash)
Dual press
Ecu-ig1 fuse 5a
Engine control module (behind right side of dash) e7
Engine room j/b (on left front inner fender panel)
Engine room j/b (on left front inner fender)
Engine room r/b 3 (on left front of engine compartment)
F12
Fan 1 relay
Fan 2 relay
Fan 3 relay
Gnd
H11
Hot at all times
Hot in on or start
Ij (at right end of dash)
J/b 3 (behind left kick panel)
Junction connector 9 (on top of right kick panel)
Mg clt relay
Radiator fan motor (on left front of engine compartment)
Rdi fuse 30a
Single press
Tach
Thwo
Water temperature switch 1 (on right front of engine compartment)
Water temperature switch 2 (on top rear of intake manifold)

Manual A/C Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003

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List of elements for Manual A/C Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003:

(at left front of engine, on surge tank) eb
(at right end of dash) ij
(below right side of dash, on a/c- heater housing) blower motor
(in dash harness, at right kick panel)
A/c
A/c diode (behind left kick panel, taped to harness)
A/c fuse 10a
A/c-
A/cb
A10
Acmg
Air inlet control servo motor (behind glove box, on a/c-heater housing)
Air outlet control servo motor
B/l
B10
Blower resistor (behind left center of dash)
C14
Control circuit
Cpu
Def
Driver side j/b (behind left side of dash)
Ecu-b fuse 7.5a
Engine control module (behind right side of dash)
Engine room r/b 5 (on left inner fender panel)
F/d
Face
Foot
Frs
Gnd
H10
Heater control switch (behind center of dash)
Hot at all times
Hot in on or start
Htr fuse 10a
Htr fuse 50a
Htr relay
I11
I13 (in dash harness, at right side of dash)
I20
If (at left kick panel)
Ig+
Ii (at right kick panel)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Junction connector 1 (on top of left kick panel)
Junction connector 6 (behind right center of dash)
Junction connector 9 (on top of right kick panel)
La/c
Multi display
Pnk
Position switches
Rec
Vent

Manual A/C Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003

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List of elements for Manual A/C Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003:

(at front of left front fender) ed
(on right front of engine compartment) a/c condenser fan motor
A/c ambient temperature sensor (on lower right front of grille)
A/c magnetic clutch & lock sensor (on a/c compressor)
A/c thermistor
A/c triple pressure switch (a/c dual & single pressure switch) (on lower right front of engine compt)
Cds fuse 30a
Driver side j/b (behind left side of dash)
Dual press
Ecu-ig 1 fuse 5a
Engine room j/b (on left front inner fender panel)
Engine room r/b 3 (on left front of engine compartment)
F12
Fan 1 relay
Fan 2 relay
Fan 3 relay
G22
H11
Hot at all times
Hot in on or start
I4 (in dash harness, at left kick panel)
J/b 3 (behind left kick panel)
Mg/clt relay
Pnk
Radiator fan motor (on left front of engine compt)
Rdi fuse 30a
Single press
Water temperature switch 1 (on right front of engine compt)
Water temperature switch 2 (on top rear of intake manifold)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram, with Traction Control (1 of 3) for Toyota Avalon XLS 2003

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List of elements for Anti-lock Brakes Wiring Diagram, with Traction Control (1 of 3) for Toyota Avalon XLS 2003:

(behind right side of dash) junction connector 4
A19
Abs & ba & trac & vsc ecu (behind right side of dash)
Abs 2 fuse 25a
Abs 4 fuse 5a
Abs fuse 60a
Abs mtr relay
Abs sol relay
Csw
D21
Ebdw
Ed (at front of left front fender)
Engine room j/b (on left front inner fender panel)
Engine room r/b 3 (on left front of engine compt)
Engine room r/b 5 (on left inner fender panel)
Fl+
Fl-
Fr+
Fr-
Gl1
Gnd1
Gnd2
H19
Hot at all times
I15
I15 (in dash harness, at right side of dash)
Ig (at left end of dash)
Ig1
Ii (at right kick panel)
Ij (at right end of dash)
Ind
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Junction connector 18 (behind right center of dash)
Junction connector 4 (behind right side of dash)
Junction connector 6 (behind right center of dash)
Junction connector 9 (on top of right kick panel)
Lbl
Left front abs speed sensor (on inside of left front wheel)
Left rear abs speed sensor (on inside of left rear wheel)
Ml+
Ml-
Red
Right front abs speed sensor (on inside of right front wheel)
Right rear abs speed sensor (on inside of right rear wheel)
Rl+
Rl-
Rr+
Rr-
Sflh
Sflr
Sfrh
Srlr
Srrh
Srrr
Trac off switch
Yiga

Anti-lock Brakes Wiring Diagram, with Traction Control (2 of 3) for Toyota Avalon XLS 2003

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List of elements for Anti-lock Brakes Wiring Diagram, with Traction Control (2 of 3) for Toyota Avalon XLS 2003:

(behind left kick panel) j/b 3
(behind left side of dash)
(in dash harness, at left side of dash)
(on left rear of engine compt) abs & ba & trac & vsc actuator
A14
A15
A18
Active light relay (behind left side of dash)
B15
B18
Body ecu
Brake fluid level warning switch (on brake fluid reservoir)
Brl
Ccs
D11
D16
Driver side j/b (behind left side of dash)
Ed (front of left front fender)
Ee (at front of left front fender)
Eng+
Eng-
F16
Gnd
Hot at all times
I12
I15 (in dash harness, at right side of dash)
Ig (at left end of dash)
Ig1
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Lbl
Lvl2
Ml+
Ml-
Nca
Neo
Park/neutral position switch (on left side of transaxle)
Parking brake switch (behind dash, on parking brake lever bracket)
Pkb
Pkb2
Red
Rss
Sflh
Sflr
Sfrh
Sfrr
Smc1
Smc2
Src1
Src2
Srlh
Srlr
Srrh
Srrr
Ss1
Ss2
Steering sensor (combination switch)
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Translate ecu (behind right side of dash)
Trc+
Trc-
Vsc+
Vsc-

Anti-lock Brakes Wiring Diagram, with Traction Control (3 of 3) for Toyota Avalon XLS 2003

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List of elements for Anti-lock Brakes Wiring Diagram, with Traction Control (3 of 3) for Toyota Avalon XLS 2003:

(behind left kick panel) j/b 3
(in dash harness, at left kick panel)
A12
A13
A19
Abs
Abs & ba & trac & vsc ecu (behind right side of dash)
Abs 3 fuse 25a
Abs ind
B12
B13
B19
Bat
Brake ind
Cpu
Cruise control ecu (behind left center of dash)
D/g
D10
D11
Data link connector 2 (behind left side of dash, on instrument panel j/b)
Data link connector 3 (behind left side of dash, on instrument panel j/b)
Driver side j/b (behind left side of dash)
Ecu-ig 2 fuse 10a
Eng+
Eng-
Engine control module (behind right side of dash)
Engine room j/b (on left front inner fender panel)
F13
F15
Fss
Gauge 1 fuse 10a
Gl1
Gnda
Gyaw
Gyw2
H15
H16
Hot at all times
Hot in on or start
I15 (in dash harness, at right side of dash)
Ig (at left end of dash)
Iga
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Junction connector 4 (behind right side of dash)
Junction connector 5 (behind right side of dash)
Master cylinder pressure sensor (on left side of master cylinder)
Multi display
Neo
Pkb
Pmc
Red
Sfrr
Sil
Slip ind
Smc1
Smc2
Sp1
Src1
Src2
Srlh
Ss1
Ss2
Stp
Trac off ind
Trc+
Trc-
Vcm
Vsc ind
Vsc warning buzzer
Vscw
Yaw
Yaw rate sensor (between front seats)
Yaw2
Ygnd

Anti-lock Brakes Wiring Diagram, without Traction Control (1 of 2) for Toyota Avalon XLS 2003

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List of elements for Anti-lock Brakes Wiring Diagram, without Traction Control (1 of 2) for Toyota Avalon XLS 2003:

(in dash harness, at left kick panel) i4
A12
A13
A18
Abs
Abs actuator & ecu (on left rear of engine compt)
Abs fuse 60a
Active light relay (behind left side of dash)
B13
B14
B18
Bat
Body ecu (behind left side of dash)
Brl
D10
D11
D16
Data link connector 2 (behind left side of dash, on instrument panel j/b)
Data link connector 3 (behind left side of dash, on instrument panel j/b)
Diode (a/t indicator light switch) (behind right center of dash, taped to harness)
Driver side j/b (behind left side of dash)
Ebdw
Ecu-ig 2 fuse 10a
Ed (at front of left front fender)
Ee (at front of left front fender)
Engine room j/b (on left front inner fender panel)
Engine room r/b 5 (on left inner fender panel)
F10
F13
F16
Fl+
Fl-
Fr+
Fr-
Gauge 1 fuse 10a
Gnd
Gnd1
Gnd2
H18
Hot at all times
Hot in on or start
Ig1
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel
J/b 4 (behind right kick panel)
Park/neutral position switch (on left side of transaxle)
Parking brake switch (behind dash, on parking brake lever bracket)
Pkb
Pkb2
Red
Rl+
Rl-
Rr+
Rr-
Sp1
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Stp

Anti-lock Brakes Wiring Diagram, without Traction Control (2 of 2) for Toyota Avalon XLS 2003

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List of elements for Anti-lock Brakes Wiring Diagram, without Traction Control (2 of 2) for Toyota Avalon XLS 2003:

Abs ind
B15
Brake fluid level warning switch (on brake fluid reservoir)
Brake ind
Cpu
Driver side j/b (behind left side of dash)
E6 (in engine compt harness, at left front of engine)
Ed (at front of left front fender)
Ee (at front of left front fender)
Engine room j/b (on left front inner fender panel)
H15
I12
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Junction connector 1 (on top of left kick panel)
Left front abs speed sensor (on inside of left front wheel)
Left rear abs speed sensor (on inside of left rear wheel)
Multi display
Nca
Red
Right front abs speed sensor (on inside of right front wheel)
Right rear abs speed sensor (on inside of right rear wheel)

ANTI-THEFT

Forced Entry Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Forced Entry Wiring Diagram for Toyota Avalon XLS 2003:

(at front of left front fender) ed
(at front of right inner quarterpanel)
(at left end of dash) ig
(at right kick panel)
(on top of left kick panel) j/c 15 & 16
(on top of right kick panel) j/c 9
+b1
+b2
A20
B10
B13
Body ecu
C11
Combination meter
Cpub
D14
D17
D22
Dcty
Door 1 fuse 25a
Driver door ecu (in driver's door)
Driver side j/b (behind left side of dash)
Dswh
E17
Ecu-b fuse 7.5a
Ecu-ig 2 fuse 10a
Engine hood courtesy switch (on center front of engine compt)
Engine room j/b (on left front inner fender panel)
F14
F17
Front passenger door ecu (in right front door)
Glass breakage sensor (behind right side of dash)
Gnd
Gnd1
Hot at all times
Hot in on or start
I13 (right side of dash)
If (at left kick panel)
Ig (left end of dash)
Ii (at right kick panel)
Ij (at right end of dash)
Ind
Iout
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 1 (on top of left kick panel)
J/c 10 (in right front side of luggage compt)
J/c 18 (behind right center of dash)
J/c 5 (behind right side of dash)
J/c 6 (behind right center of dash)
Keye
Ksw
Kul
Left front door courtesy switch
Left front door key lock & unlock switch & door unlock detection switch
Left rear door courtesy switch
Lock
Lswd
Lswp
Lug
Luggage compartment door key unlock switch
Mpx1
Mpx2
Mpx3
Mpx4
Pcty
Rcty
Red
Right front door courtesy switch
Right front door key lock & unlock switch & door unlock detection switch
Right rear door courtesy switch
Security fuse 10a
Security indicator light
Sh-
Sig
Theft deterrent ecu (behind right side of dash)
Theft deterrent horn (on right rear of engine compt)
Unlk
Unlock warning switch

Immobilizer Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Immobilizer Wiring Diagram for Toyota Avalon XLS 2003:

(behind left kick panel) j/b 3
(dash harn, right side of dash)
(right front of engine, on rear side of surge tank) ec
(right kick panel)
Acc
Ant1
Ant2
B10
B11
B12
Batt
Code
Combination meter
D22
Driver side j/b (behind left side of dash)
Ed (at front of left front fender)
Efi 1 fuse 15a
Efi 2 fuse 7.5a
Efi relay
Engine control module (behind right side of dash)
Engine room j/b (on left front inner fender panel)
Eom
Gnd
Hot at all times
I13
Ig (at left end of dash)
Ignition switch
Igsw
Imld
J/b 4 (behind right kick panel)
J/b 4 (right kick panel)
J/c 17 (behind center of dash)
J/c 5 (behind right side of dash)
J/c 6 (behind right center of dash)
J15
J16
Ksw
Mrel
Off
Rxck
Security indicator
Start
Trans- ponder key coil
Transponder key amplifier (on left side of dash, on steering column)
Txct
Unlock warning switch

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003

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List of elements for Body Control Modules Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003:

Acc
Act+
Act-
Actd
Ajar
Altl
Auto
Bdr1
Bdr2
Body ecu
C12
Cltb
Clte
Clts
D14
Dbew
Dbkl
Dcty
Door fuse 15a
Door fuse 25a
Door locks system
Door locks systems
Driver door ecu (in driver's door)
Driver side j/b (behind left side of dash)
Drl
Ecu-acc fuse 5a
Ecu-b fuse 7.5a
Ecu-ig fuse 10a
Engine room j/b (on left front inner fender panel)
Exterior lights system
Front passenger door ecu (in right front door)
Gnd1
Gnd2
Gsw
Head
Headlights system
Horn
Horns system
Hot at all times
Hot in acc or on
Hot in on or start
Hrly
If (at left kick panel)
Ig (at left end of dash)
Ill
Interior lights system
J/b 3 (behind left kick panel)
Junction connector 4 (behind right side of dash)
Ksw
Lgc
Lsr
Mpx1
Mpx2
Mpx3
Mpx4
P21
Pbew
Pbkl
Pcty
Pkb
Pnk
Power seat ecu (under driver's seat)
Power windows system
Prg
Rcty
Rda
Red
Rld
Rlu
Rrd
Rru
Seat
Sig
Starting/charging system
Stop
Tail
Theft deterrent ecu (behind right side of dash)
Tku
Tr+
Transmissions system
Trly
Trunk, tailgate & fuel doors system
Warning system

Body Control Modules Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003

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List of elements for Body Control Modules Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003:

A/b
A/d
A12
A13
A15
A17
A19
Abs
Abs & ba & trac & vsc ecu (w/ traction control) (behind right side of dash)
Abs actuator & ecu (w/o traction control) (on left rear of engine compt)
Active light relay (behind left side of dash)
B12
B13
B15
B17
B19
B20
Bat
Center air bag sensor assembly (below center of dash)
Cruise control ecu (behind left center of dash)
D/g
Data link connector 2 (behind left side of dash, on instrument panel j/b)
Data link connector 3 (behind left side of dash, on instrument panel j/b)
Driver side j/b (behind left side of dash)
Ec (at left front of engine, on surge tank)
Engine control module (behind right side of dash)
H15
H17
Hot at all times
I10
I4 (in dash harness, at left kick panel)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Junction connector 5 (behind right side of dash)
Junction connector 7 (behind right side of dash)
Junction connector 9 (on top of right kick panel)
Multi display
Obd ii fuse 7.5a
Sil
Translate ecu (behind right side of dash)
W/ navigation
W/ traction control
W/o navigation
W/o traction control

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Computer Data Lines Wiring Diagram for Toyota Avalon XLS 2003:

(at right end of dash) ij
(below center of dash) center air bag sensor assembly
A/b
A/d
A12
A13
A15
A17
A19
Abs
Abs & ba & trac & vsc ecu (w/ traction control) (behind right side of dash)
Abs actuator & ecu (w/o traction control) (on left rear of engine compt)
Active light relay (behind left side of dash)
B12
B13
B15
B17
B19
B20
Bat
Body ecu (behind left side of dash)
Cruise control ecu (behind left center of dash)
D/g
Data link connector 2 (behind left side of dash, on instrument panel j/b)
Data link connector 3 (behind left side of dash, on instrument panel j/b)
Driver door ecu (in driver's door)
Driver side j/b (behind left side of dash)
Ec (at left front of engine, on surge tank)
Engine control module (behind right side of dash)
Front passenger door ecu (in right front door)
H15
H17
Hot at all times
I10
I4 (in dash harness, at left kick panel)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Junction connector 5 (behind right side of dash)
Junction connector 7 (behind right side of dash)
Junction connector 9 (on top of right kick panel)
Mpx1
Mpx2
Mpx3
Mpx4
Multi display
Obd ii fuse 7.5a
P21
Power seat ecu (under driver's seat)
Sil
Theft deterrent ecu (behind right side of dash)
Translate ecu (behind right side of dash)
W/ navigation
W/ traction control
W/o navigation
W/o traction control

COOLING FAN

Cooling Fan Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Cooling Fan Wiring Diagram for Toyota Avalon XLS 2003:

(at front of left front fender) ed
(on right front of engine compt) a/c condenser fan motor
A/c diode (behind left kick panel, taped to harness)
A/c single pressure switch (on lower right front of engine compt)
Acmg
Cds fuse 30a
Driver side j/b (behind left side of dash)
E2 (in engine harness, at front of engine)
Ecu-ig 1 fuse 5a
Engine control module (behind right side of dash) e7
Engine controls system
Engine coolant temperature sensor (on water outlet, on
Engine room j/b (on left front inner fender panel)
Engine room r/b 3 (on left front of engine compt)
F12
Fan 1 relay
Fan 2 relay
Fan 3 relay
H11
Hot at all times
Hot in on or start
J/b 3 (behind left kick panel)
Radiator fan motor (on left front of engine compt)
Rdi fuse 30a
Thw
Top right front of engine)
Water temperature switch 1 (on left bottom of radiator)
Water temperature switch 2 (on top rear of intake manifold)

CRUISE CONTROL

Cruise Control Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Cruise Control Wiring Diagram for Toyota Avalon XLS 2003:

A/d
A13
A17
A20
B13
B17
B20
C11
C15
C19
C20
Can
Cancel
Ccs
Column shift
Combination switch
Cruise control
Cruise control actuator (on left front of engine compt)
Cruise control ecu (behind left center of dash)
Cruise control ind
D10
D11
D15
D20
Data link connector 2 (behind left side of dash, on instrument panel j/b)
Data link connector 3 (behind left side of dash, on instrument panel j/b)
Diode (a/t indicator light switch) (behind right center of dash, taped to harness)
Driver side j/b (behind left side of dash)
Ecc
Ect
Ecu- acc fuse 5a
Ecu-ig fuse 10a
Engine control module (behind right side of dash)
F13
Floor shift
Gauge 1 fuse 10a
Gauge fuse 10a
Gnd
H17
Hot at all times
Hot in acc or on
Hot in on or start
I4 (in dash harness, at left kick panel)
Idl
Idlo
Ig (at left end of dash)
Ij (at right end of dash)
Instrument cluster system
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Junction connector 18 (behind right center of dash)
Junction connector 5 (behind right side of dash)
Junction connector 9 (on top of right kick panel)
Main
Multi display
Od1
Park/ neutral position switch (on left side of transaxle)
Pnk
Red
Res/ accel
Set/ coast
Spd
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Stp
Switch
Translate ecu (behind right side of dash)
Transmissions system
W/ traction
W/o traction

DEFOGGERS

Rear Defogger & Heated Mirrors Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Toyota Avalon XLS 2003:

A15
Automatic a/c
Def fuse 40a
Def relay
Driver side j/b (behind left side of dash)
Gauge 1 fuse 10a
Gnd
H14
Hot at all times
Hot in on or start
If (at left kick panel)
Ii (at right kick panel)
J/b 4 (behind right kick panel)
Junction connector 6 (behind right center of dash)
Left mirror heater (left remote control mirror)
Manual a/c
Mir heater fuse 10a
Noise filter
Noise filter (rear window defogger)
Rdef
Rear window defogger switch (a/c control assembly)
Rear window defogger switch (heater control switch)
Right mirror heater (right remote control mirror)
W/ driving position memory
W/o driving position memory

ENGINE PERFORMANCE

3.0L

3.0L, Engine Performance Wiring Diagram (1 of 4) for Toyota Avalon XLS 2003

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List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 4) for Toyota Avalon XLS 2003:

(cpu) multi-display
(dash harn, behind right side of dash)
(on left rear of engine) left variable valve timing solenoid
(on left rear of left cyl head) camshaft position sensor (left)
(on right rear of engine) right variable valve timing solenoid
(on right rear of right cyl head) camshaft position sensor (right)
(rear of surge tank)
Aci1
Acis
Afl+
Afl-
Afr+
Afr-
Air fuel ratio sensor (bank 1, sensor 1) (on right exhaust manifold)
Air fuel ratio sensor (bank 2, sensor 1) (on left exhaust manifold)
Conn e4
Conn e5
E01
E02
E03
E04
E05
E2g
E5 (engine harn, top front of engine)
Eb (right side of surge tank)
Engine control module (behind right side of dash)
Engine coolant temperature sensor (on top right front of engine)
Evp1
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Hafl
Hafr
I22
I23
Igf
Igt1
Igt2
Igt3
Igt4
Igt5
Igt6
J/c 8 (behind right side of dash)
Knkl
Knkr
Mass airflow meter (on left side of engine compartment)
Nc2+
Nc2-
Nca
Ne+
Ne-
Oc1+
Oc1-
Oc2+
Oc2-
Pnk
Power steering oil pressure switch (right rear of engine compt)
Ptnk
Red
Rso
Sln+
Sln-
Tha
Throttle position sensor (on throttle body)
Thw
Vapor pressure sensor (on left rear of vehicle, at fuel tank)
Vcc
Vsv (evap) (on top center of engine)
Vta1
Vv1+
Vv2+

3.0L, Engine Performance Wiring Diagram (2 of 4) for Toyota Avalon XLS 2003

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List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 4) for Toyota Avalon XLS 2003:

(dash harn, behind upper right side of dash)
(engine harn, front of engine)
(on left side of engine compartment) noise filter
(on lower left front of engine) crankshaft position sensor
(on right side of engine)
(on top of transaxle) o/d direct clutch speed sensor
(rear side of surge tank)
(right side of surge tank) eb
(top left of engine) ignition coil & igniter 2
(top left of engine) ignition coil & igniter 4
(top left of engine) ignition coil & igniter 6
(top right of engine) ignition coil & igniter 1
(top right of engine) ignition coil & igniter 3
(top right of engine) ignition coil & igniter 5
Acc
B5 (body harn, under right side of dash)
E4 (engine harn, right rear of engine compt)
Heated oxygen sensor (bank 1, sensor 2) (on exhaust pipe, rear of cat conv)
Hot at all times
I14
Idle air control valve (on throttle body assembly)
Ignition switch
J/c 17 (behind center of dash)
Knock sensor no. 1 (on top of engine)
Knock sensor no. 2 (on top of engine)
Lock
Nca
Pnk
Red
Start
Top front of engine)
Vsv (acis no.1)
Vsv (acis no.2) (on right side of engine)
Vsv (acm) (on right front of engine compartment)
Vsv (canister closed valve) (on left side of engine compartment)
Vsv (pressure switching valve) (on left rear of vehicle, at fuel tank)

3.0L, Engine Performance Wiring Diagram (3 of 4) for Toyota Avalon XLS 2003

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List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 4) for Toyota Avalon XLS 2003:

(in dash harn, at left kick panel)
A/f fuse 25a
A/f relay
A16
A17
A18
B10
B12
B13
B17
B20
Bat
Body ecu (behind left side of dash)
C11
C13
C16
C18
Circuit opening relay
Cruise control system
D16
D18
Data link connector 3 (behind left side of dash)
Data link connector 2 (behind left side of dash)
Driver side j/b (behind left side of dash)
Driver side r/b 6 (behind left kick panel)
Ec (rear side of surge tank)
Ed (front side of left fender)
Efi 1 fuse 15a
Efi 2 fuse 7.5a
Efi relay
Electronically controlled transmission solenoid (on left side of transaxle)
Engine room j/b (on left front inner fender panel)
F16
F18
Fuel pump (in fuel tank)
G16
G17
G18
H18
Hot at all times
Ig (behind left kick panel)
Ig2 fuse 15a
Ig2 relay
Instrument cluster
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 11 (left front side of trunk)
J/c 17 (behind center of dash)
J/c 5 (behind right side of dash)
J/c 7 (behind right side of dash)
J/c 8 (behind right side of dash)
J/c 9 (on top of right kick panel)
Nca
O/d off
Pnk
Red
Sil
Sln+
Sln-

3.0L, Engine Performance Wiring Diagram (4 of 4) for Toyota Avalon XLS 2003

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List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 4) for Toyota Avalon XLS 2003:

(dash harn, behind upper right side of dash)
(or 1)
(or 3)
A/c
A/c system
A13
Abs system
Acc
Acm1
Acmg
Ant1
Ant2
Anti-theft system, instrument cluster system
B11
B13
Batt
C11
C15
C16
C20
Ccv
Code
Conn e6
Conn e7
Conn e8
Cooling fans system
Cruise control system
D10
D11
D15
D20
Diode (a/t ind light switch) (behind right center of dash)
Door locks system
Driver side j/b (behind left side of dash)
Ecu- ig 2 fuse 10a
Ecu-acc fuse 5a (w/ column shift)
Els
Els2
Eng+
Eng-
Engine control module (behind right side of dash)
Eom
F13
F16
Gauge fuse 10a
Gnd
Hot at all times
Hot in on or accy
Hot in on or start
Hot w/ defogger relay energized
Hot w/ ig1 relay energized
Hot w/ tail relay energized
Hts
I13
Idlo
Ignition switch
Igsw
Ii (behind right kick panel)
Imld
Instrument cluster system
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 17 (behind center of dash)
J/c 6 (behind right center of dash)
Ksw
Lock
Malfunction indicator (multi- display)
Mir/htr fuse 10a
Mrel
Neo
Nsw
O/d main switch (below center console)
Obd-ii fuse 7.5a
Od1
Odlp
Odms
Oxs
Park/neutral position switch (on left side of transaxle)
Pnk
Ptnk
Red
Rxck
Sil
Spd
Sta
Start
Starting/charging system
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Stp
Tach
Tail fuse 10a
Tbp
Thwo
Transponder key amplifier (left side of dash, on steering column)
Transponder key coil
Trc+
Trc-
Txct

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram, with Column Shift for Toyota Avalon XLS 2003

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List of elements for Back-up Lamps Wiring Diagram, with Column Shift for Toyota Avalon XLS 2003:

B21
Back- up light
Back-up light relay
Back-up light switch (park/neutral position switch) (on left side of transaxle)
Bm (at center rear of luggage compt)
C11
C15
C20
D15
D20
Diode (a/t indicator light 2)
Driver side j/b (behind left side of dash)
Driver side r/b 6 (behind left kick panel)
Ecu-acc fuse 5a
Gauge 2 fuse 10a
Hot in on or acc
Hot in on or start
Ig (at left end of dash)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 12 (in right rear side of luggage compartment)
J/c 15 & 16 (on top of left kick panel)
J/c 17 (behind center of dash)
J/c 5 (behind right side of dash)
J15
J16
Left rear combination light
Right rear combination light

Back-up Lamps Wiring Diagram, with Floor Shift for Toyota Avalon XLS 2003

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List of elements for Back-up Lamps Wiring Diagram, with Floor Shift for Toyota Avalon XLS 2003:

(at center rear of luggage compt) bm
Back- up light
Back-up light switch (parking/neutral position switch) (on left side of transaxle)
C20
Driver side j/b (behind left side of dash)
Gauge 2 fuse 10a
Hot in on or start
J/b 3 (behind left kick panel)
J/c 12 (in right rear side of luggage compartment)
J/c 17 (behind center of dash)
Left rear combination light
Right rear combination light

Exterior Lamps Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Exterior Lamps Wiring Diagram for Toyota Avalon XLS 2003:

(at center rear of luggage compartment) bm
(in body harness, at right front of luggage compt) b10
(in right rear side of luggage compartment) j/c 12
(in right rear side of luggage compt) j/c 13
A11
A21
Alt fuse 120a
B21
B8 (in body harness, at right side of trunk lid)
Body ecu
C12
Combination meter
Combination switch
D10
D11
Driver side j/b (behind left side of dash)
Ed (at front of left front fender)
Engine room j/b (on left front inner fender panel)
F10
F13
Fusible link block (on left front inner fender panel)
Gauge 1 fuse 10a
Haz fuse 15a
Hazard switch off
Head
High mount stop light
Hot at all times
Hot in on or start
Ig (at left end of dash)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 10 (in right front side of luggage compartment)
J/c 10 (in right front side of luggage compt)
J/c 12 (in right rear side of luggage compt)
J/c 15 & 16 (on top of left kick j16 panel)
J/c 15 & 16 (on top of left kick panel)
J/c 17 (behind center of dash)
J/c 5 (behind right side of dash)
J/c 9 (on top of right kick panel)
J15
J16
L10
Left
Left front park/ turn light
Left license plate light
Left rear combi- nation light
Left rear combin- ation light
Light control switch
Light failure sensor (on right side of luggage compt)
Multi- display
Noise filter (stop light)
Off
Pnk
R18
R19
Rear lights warning ind
Red
Right
Right front park/ turn light
Right license plate light
Right rear combi- nation light
Right rear combin- ation light
Side
Stop
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Tail
Tail fuse 10a
Tail relay
Trly
Turn
Turn fuse 7.5a
Turn signal flasher relay (behind top left side of dash)
Turn signal ind lights
Turn signal switch

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Toyota Avalon XLS 2003

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List of elements for Ground Distribution Wiring Diagram (1 of 4) for Toyota Avalon XLS 2003:

(at center of dash) i12
(left front of engine compt) engine room r/b 3
(left side of engine compt) engine room j/b
(on left side of engine compt)
(w/ drl) left low beam headlight
(w/o traction control)
(w/o traction control) active light relay
6 spkr
7 spkr
A/c dual pressure switch
A/c single pressure switch
A/f relay
Abs & ba & trac & vsc actuator
Abs actuator & ecu
Abs sol relay
Active light relay
B12 (body harn, under left front seat)
Brake fluid level warning switch
Combination meter
Data link connector
E4 (engine harn, front of engine)
Eb (right front of engine, on right side surge tank)
Ec (right front of engine, on rear side of surge tank)
Ed (front of left front fender)
Ee (front of left front fender)
Efi relay
Engine control module
Engine hood courtesy switch
Engine room j/b
Engine room r/b 5
F10
Fan 2 relay
Heated oxygen sensor (bank 1 sensor 2)
Heated oxygen sensor shield
Htr relay
I22 (dash harn, right kick panel)
I23 (dash harn, right kick panel)
Idle air control valve
Ig2 relay
Ignition coil & igniter
Ih (right center of dash)
J/c 1 (top of left kick panel)
J/c 14 (under left front seat)
J/c 3 (behind right center of dash)
J/c 5 (behind right side of dash)
J/c 7 (behind right side of dash)
Left front
Left front fog light
Left front power seat front vertical position sensor
Left front power seat rear vertical position sensor
Left front power seat reclining position sensor
Left front power seat slide position sensor
Left front turn/ park light
Left rear
M10
Multi display
Multi- display
P21
Power seat ecu
Radiator fan motor
Radio & player
Right front
Right rear
St relay
W/ immobilizer system
W/ traction control
W/o traction control
Water temperature switch 1
Wheel speed sensor shields

Ground Distribution Wiring Diagram (2 of 4) for Toyota Avalon XLS 2003

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List of elements for Ground Distribution Wiring Diagram (2 of 4) for Toyota Avalon XLS 2003:

(upper right side of dash) passenger side r/b 7
(w/ floor shift) power outlet
(w/o power seat) left front buckle switch
A/c control assembly
A15
Air outlet control servo motor
Auto a/c
B1 (body harn, left front door sill)
B12 (body harn, under left front seat)
B6 (body harn, left rear door sill)
Bk (front of left inner quarter panel)
Body ecu
C20
Column shift
D20
D21
Door control receiver
F20
Floor shift
Fuel pump
Heater control assembly
I21 (dash harn, right kick panel)
I3 (dash harn, left kick panel)
I5 (dash harn, left kick panel)
If (left kick panel)
J/b 4 (behind right kick panel)
J/c 11 (left front of luggage compt)
J/c 14 (under left front seat)
J/c 6 (behind right center of dash)
Left front door ecu
Left front lumbar support control switch
Left front power seat control switch
Left front seat heater
Left rear door lock motor
Left rear interior light
Left rear power window control switch
Left remote control mirror switch
Manual a/c
P20
Power seat ecu
Pwr point relay
Remote control mirror switch
Right front door ecu
Right remote control mirror switch
Shift lock ecu
To ground ii (diagram 3 of 4)
Transponder key amplifier
Voltage inverter
Vsc off switch
W/ memory
W/ power seat
W/o memory
Washer level warning switch

Ground Distribution Wiring Diagram (3 of 4) for Toyota Avalon XLS 2003

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List of elements for Ground Distribution Wiring Diagram (3 of 4) for Toyota Avalon XLS 2003:

(body harn, right front door sill)
(body harn, under right front seat)
(canada) a/c control assembly
(w/ moon roof)
(w/ traction control)
(w/ traction control) abs & ba & trac & vsc ecu
(w/ traction control) active light relay
A a
A/c control assembly
A16
B14
B15
B4 (body harn, front of roof)
B8 (body harn, right side of trunk lid)
B9 (body harn, right front of luggage compt)
Bl (top of left "b" pillar)
Bm (center rear of luggage compt)
Bn (front of right inner quarter panel)
Body ecu
C22
Center airbag sensor assembly
Cigarette lighter
Combination meter
Combination switch
D22
Driver side j/b (behind left side of dash)
E22
From j/c 6 (diagram 2 of 4)
High mounted stop light
Ig (left end of dash)
Ig1 relay
Ii (right kick panel)
Inner mirror
J/b 3 (behind left kick panel)
J/c 10 (right front side of luggage compt)
J/c 12 (right rear side of luggage compt)
J/c 15, j/c 16 (on top of left kick panel)
J/c 4 (behind right side of dash)
Key interlock solenoid
Left back-up light
Left front
Left license plate light
Left rear
Left rear combination light
Left vanity light
Light failure sensor
Luggage compartment door key unlock switch
Moon roof control ecu
Moon roof control switch
Navi- gation ecu
Noise filter 1
Noise filter 2
Personal light
Right back-up light
Right buckle switch
Right front
Right front power seat control switch
Right front seat heater
Right license plate light
Right rear
Right rear combination light
Right rear door lock motor
Right rear interior light
Right rear power window control switch
Right vanity light
S10
Seat belt warning occupant detection sensor
Stereo component amplifier
To j/c 5 (diagram 4 of 4)
Translate ecu
Unlock warning switch
W/ drl
W/ power seat
W/o power seat
Wheel speed sensor shields
Yaw rate sensor shield

Ground Distribution Wiring Diagram (4 of 4) for Toyota Avalon XLS 2003

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List of elements for Ground Distribution Wiring Diagram (4 of 4) for Toyota Avalon XLS 2003:

(left kick panel) driver side r/b 6
(right side of engine compt) engine room r/b 2
(w/ column shift) power outlet
(w/ drl) right low beam headlight
(w/ manual a/c)
A/c blower motor linear controller
A20
A21
Abs & ba & trac & vsc ecu
B20
B21
Back-up lamp relay
Bk/up lamp relay
Blower resistor
Column shift
Combination meter
Combination switch
Cruise control actuator
Cruise control ecu
Data link connector
Drl 3 relay
Drl 4 relay
Ea (front of right front fender)
Floor shift
From splice i16 (diagram 3 of 4)
Front wiper motor
G20
Glove box light switch
H10
H20
Heater control switch
I13 (dash harn, right side of dash)
I14 (dash harn, right side of dash)
I15 (dash harn, right side of dash)
I25 (dash harn, right kick panel)
Ij (right end of dash)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 5 (behind right side of dash)
J/c 9 (top of right kick panel)
Luggage compartment door opener switch
Multi display
Navi- gation cntrl
O/d main switch
Power outlet main switch
Rheostat
Right front fog light
Right front turn/ park light
Theft deterrent buzzer
Theft deterrent ecu
Turn signal flasher relay
Wireless door lock buzzer

HEADLIGHTS

Headlights Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003

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List of elements for Headlights Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003:

A j16
Altl
Auto
Automatic light control sensor (on top left side of dash)
Body ecu
Cltb
Clte
Clts
Combination switch
D14
D17
Dcty
Dimmer switch
Door courtesy switch (left front)
Door locks system
Driver side j/b (behind left side of dash)
Drl
Drl fuse 7.5a
E17
Ea (at front of right front fender)
Ed (at front of left front fender)
Engine room j/b (on left front inner fender panel)
Engine room r/b 5 (on left inner fender panel)
Flash
Foglight
Generator generator
Gnd2
Head
Head relay
High
Hot at all times
Hrly
Ig (at left end of dash)
Interior lights system
J/b 3 (behind left kick panel)
J15
J16 a
Junction connector 15 & 16 (on top of left kick panel)
Junction connector 4 (behind right side of dash)
L l
Left headlight low
Light control switch
Lower left head fuse 15a
Lower right head fuse 15a
Main fuse 40a
Off
Parking brake switch (behind dash, on parking brake lever bracket)
Pcty
Pkb
Pnk
Prg
Rcty
Rda
Red
Right headlight low
Switch
Tail

Headlights Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003

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List of elements for Headlights Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003:

Combination meter
Driver side j/b (behind left side of dash)
Drl relay 2
Drl relay 3
Drl relay 4
E1 (in engine compt harness, at right front of engine compt)
Ea (at front of right front fender)
Ecu-b fuse 7.5a
Ed (at front of left front fender)
Engine room j/b (on left front inner fender panel)
Engine room r/b 2 (on right side of engine compartment)
Engine room r/b 5 (on left inner fender panel)
Fog fuse 15a
Fog relay
H10
High beam ind
Hot at all times
Hot in on or start
Hot with head relay energized
Junction connector 1 (on top of left kick panel)
Junction connector 19 (behind right center of dash)
Left front foglight
Left headlight high
Lower right head fuse 15a
Red
Right front foglight
Right headlight high
Upper left head fuse 10a
Upper right head fuse 10a

HORN

Horn Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Horn Wiring Diagram for Toyota Avalon XLS 2003:

Body ecu (behind left side of dash)
C11
Combination switch
Drivers side j/b (behind left side of dash)
Engine room j/b (on left front inner fender panel)
Horn
Horn fuse 10a
Horn relay
Horn switch
Hot at all times
Left horn
Right horn

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram, with Navigation (1 of 2) for Toyota Avalon XLS 2003

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List of elements for Instrument Cluster Wiring Diagram, with Navigation (1 of 2) for Toyota Avalon XLS 2003:

(behind right side of dash) translate ecu
(or red)
A10
A11
A12
A12 a13
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
Abs ind
Air conditioning system
Anti-lock brakes system
Automatic a/c
B10
B11
B12
B13
B14
B15
B16
B17
B18
Back light circuit
Brake ind
Brl
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
Charge ind
Control
Cpu
Cruise ind
D10
Display
Dome fuse 7.5a
Door ind
Drive sig
Driver seat belt ind
Driver side j/b (behind left side of dash)
E10
E11
E12
E13
Eb (at left front of engine, on surge tank)
Ecu-acc fuse 5a
Ecu-ig fuse 10a
Engine controls system
F11
F12
F13
F15
F16
F17
F18
F19
F20
F24
Field magnetic sensor (w/ automatic a/c) (in front center of roof)
Fuel pump & sender (in fuel tank)
Gauge fuse 10a
Gnd
Hot at all times
Hot in acc or on
Hot in on or start
Hot w/ tail relay energized
Ij (at right end of dash)
Interior lights system
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 2 (behind center of dash)
Junction connector 9 (on top of right kick panel)
L11
Light
Lvl2
Malfunction ind lamp
Multi display
Navigation display
Nca
Oil ind
Oil pressure switch (on lower left front of engine)
Panel fuse 5a
Passenger seat belt ind
Pnk
Power
Radio fuse 15a
Rear lights ind
Red
Relay
Slip ind
Srs ind
Starting/charging system
Trac off ind
Vmid
Vsc ind
W/ automatic a/c
W/ traction
W/o traction
Warning system
Washer ind
Water temperature sender (on top front of engine)
Wiper/washer system

Instrument Cluster Wiring Diagram, with Navigation (2 of 2) for Toyota Avalon XLS 2003

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List of elements for Instrument Cluster Wiring Diagram, with Navigation (2 of 2) for Toyota Avalon XLS 2003:

a/c
(at right
A/c control assembly (automatic a/c) (behind center of dash)
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
Anti-lock brakes system
Anti-theft system
Automatic
B10
B11
B12
B13
B14
B15
B16
B17
B18
Brake fluid level warning switch (on brake fluid reseroir)
C10
C11
C15
C21
Center of dash)
Center of dash) ih
Combination meter
Cpu
Cruise control ecu (behind left center of dash)
Cruise control system
D10
Driver
Driver side j/b (behind left side of dash)
E10
E11
E12
E13
E2 prom
Ecu-b fuse 7.5a
Ed (at front of left front fender)
Engine control module (behind right side of dash)
Engine controls system
Engine room j/b (on left front inner fender panel)
Exterior lights system
F10
F11
F12
F13
F14
F15
F16
F17
F18
F19
F20
F21
F22
F23
F24
Fuel gauge
Fuel ind
G12
Headlights system
High beam ind
Hot at all times
I12
Ig (at left end of dash)
Ig 2 fuse 15a
Ig 2 relay
Ih (at right
Illumination
Interior lights system
J/b 3 (behind left kick panel)
J15
J16
Junction connector (behind right side of dash)
Junction connector 1 (on top of left kick panel)
Left turn ind
M10
Manual a/c
Multi display
Navigation ecu (on left side of luggage compt)
Navigation system
Nca
O/d off ind
Odo trip
Pnk
Red
Reverse buzzer
Right turn ind
Security
Sounds system
Spd
Speedometer
Starting/charging system
Tach
Tachometer
Temperature gauge
Transmissions system
W/d
Warning system

Instrument Cluster Wiring Diagram, without Navigation (1 of 2) for Toyota Avalon XLS 2003

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List of elements for Instrument Cluster Wiring Diagram, without Navigation (1 of 2) for Toyota Avalon XLS 2003:

(behind right side of dash) translate ecu
(or red)
A10
A11
A12
A12 a13
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
Abs ind
Air conditioning system
Anti-lock brakes system
Automatic a/c
B10
B11
B12
B13
B14
B15
B16
B17
B18
Back light circuit
Brake ind
Brl
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
Charge ind
Control
Cpu
Cruise ind
D10
Display
Dome fuse 7.5a
Door ind
Drive sig
Driver seat belt ind
Driver side j/b (behind left side of dash)
E10
E11
E12
E13
E14
E15
Eb (at left front of engine, on surge tank)
Ecu-acc fuse 5a
Ecu-ig fuse 10a
Engine controls system
F11
F13
F15
Field magnetic sensor (w/ automatic a/c) (in front center of roof)
Fuel pump & sender (in fuel tank)
G20
Gauge fuse 10a
Gnd
Hot at all times
Hot in acc or on
Hot in on or start
Hot w/ tail relay energized
Ij (at right end of dash)
Interior lights system
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 2 (behind center of dash)
Junction connector 9 (on top of right kick panel)
L11
Light
Lvl2
Malfunction ind lamp
Mode
Multi display
Nca
Odo/trip
Oil ind
Oil pressure switch (on lower left front of engine)
Panel fuse 5a
Passenger seat belt ind
Pnk
Power
Radio fuse 15a
Rear lights ind
Red
Relay
Reset/adj
Slip ind
Srs ind
Starting/charging system
Trac off ind
Vmid
Vsc ind
W/ automatic a/c
W/ traction
W/o traction
Warning system
Washer ind
Water temperature sender (on top front of engine)
Wiper/washer system

Instrument Cluster Wiring Diagram, without Navigation (2 of 2) for Toyota Avalon XLS 2003

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List of elements for Instrument Cluster Wiring Diagram, without Navigation (2 of 2) for Toyota Avalon XLS 2003:

a/c
(at right
A/c control assembly (automatic a/c) (behind center of dash)
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
Anti-lock brakes system
Anti-theft system
Automatic
B10
B11
B12
B13
B14
B15
B16
B17
B18
Brake fluid level warning switch (on brake fluid reseroir)
C10
C11
C15
C21
Center of dash) ih
Combination meter
Cpu
Cruise control ecu (behind left center of dash)
Cruise control system
D10
Driver
Driver side j/b (behind left side of dash)
E10
E11
E12
E13
E14
E15
E16
E2 prom
Ecu-b fuse 7.5a
Ed (at front of left front fender)
Engine control module (behind right side of dash)
Engine controls system
Engine room j/b (on left front inner fender panel)
Exterior lights system
F14
F21
Fuel gauge
Fuel ind
G12
Headlights system
High beam ind
Hot at all times
I12
Ig (at left end of dash)
Ig 2 fuse 15a
Ig 2 relay
Illumination
Interior lights system
J/b 3 (behind left kick panel)
J15
J16
Junction connector (behind right side of dash)
Junction connector 1 (on top of left kick panel)
Lcd
Left turn ind
Manual a/c
Multi display
Nca
O/d off ind
Odo trip
Red
Right turn ind
Security
Spd
Speedometer
Starting/charging system
Tach
Tachometer
Temperature gauge
Transmissions system
W/d
Warning system

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Courtesy Lamps Wiring Diagram for Toyota Avalon XLS 2003:

"b" pillar)
(at left rear door sill) b3
(behind right center of dash) j/b 3
(behind right side of dash)
(behind right side of dash) j/b 4
Ajar
B11 (at right rear door sill)
Bdr1
Bdr2
Bl (at top of left
Body ecu (behind left side of dash)
C10
C12
Cpub
Ctyb
Ctye
D10
D14
D17
Dcty
Diode (luggage compt light)
Dome fuse 7.5a
Door
Door 2 fuse 15a
Door fuse 25a
Driver door ecu (in driver's door)
Driver side j/b (behind left side of dash)
E10
E12
E17
Ecu-b fuse 7.5a
Ecu-ig fuse 10a
Engine room j/b (on left front inner fender panel)
F14
F17
Front passenger door ecu (in right front door)
Gnd
Gnd1
Gnd2
Hot at all times
Hot in on or start
I21 (in dash harness, at right kick panel)
If (at left kick panel)
Ig (at left end of dash)
Ignition key cylinder light
Ii (at right kick panel)
Ill
Interior light
J/c 10 (in right front side of luggage compt)
J/c 11 (in left front side of luggage compt)
J/c 4
J/c 6 (behind right center of dash)
J/c 7 (behind right side of dash)
Left front door courtesy light
Left front door courtesy switch
Left rear door courtesy switch
Left rear interior light
Left vanity light
Lgc
Luggage comp- artment light
Luggage compt light switch
Mpx1
Mpx2
Mpx3
Mpx4
Multi- display
Noise filter (luggage compt light)
Off
Open door warning light
Pcty
Personal light
Rcty
Red
Right front door courtesy light
Right front door courtesy switch
Right rear door courtesy switch
Right rear interior light
Right vanity light
Sig
W/ moon roof

Instrument Illumination Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Instrument Illumination Wiring Diagram for Toyota Avalon XLS 2003:

(a/c control assembly)
(heater control switch)
(w/ automatic a/c)
(w/ manual a/c)
A j15
A j16
A/c switch
A12
A13
B12
B13
B21
Back light
Body ecu (behind left side of dash)
C13
Cigarette lighter
Circuit
Combination meter illumination (combination meter)
Combination switch
D22
Driver side j/b (behind left side of dash)
F13
F22
G12
G13
G20
Glove box light switch
H13
H20
Hazard switch
Head
Hot at all times
Ig (at left end of dash)
Ill-
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 15 & 16 (on top of left kick panel)
J/c 2 (behind center of dash)
J/c 5 (behind right side of dash)
J/c 9 (on top of right kick panel)
J15
Light control switch
Multi-display illumination (multi-display)
Navigation controller (w/ navigation)
O/d main switch (w/ floor shift)
Off
Panel fuse 5a
Pnk
Power outlet main switch (w/ automatic a/c)
Radio & player
Remote control mirror switch
Rheostat
Tail
Tail relay
Trly
W/ 6 speaker
W/ 7 speaker
W/ navigation
W/automatic a/c
W/manual a/c

MEMORY SYSTEMS

Memory Mirrors Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Memory Mirrors Wiring Diagram for Toyota Avalon XLS 2003:

Body ecu (behind left side of dash)
Cpub
Defogger system
Dm+r
Dmhr
Dmvr
Down
Driver door ecu (in driver's door)
Driver side j/b (behind left side of dash)
Dvc
E14
Ecu-b fuse 7.5a
F14
Front door)
Front passenger door ecu (in right
Gauge 1 fuse 10a
Gnd
Gnd2
Hot at all times
Hot in on or start
Hssr
I21
I3 (in dash harness, behind left end of dash)
Ih (at right center of dash)
Ii (behind right center of dash)
J/b 3 (behind left kick panel)
J/c 11 (in left front side of luggage compt)
J/c 14 (under left front seat)
J/c 3 (behind right center of dash)
J/c 6 (behind right center of dash)
Left
Left remote control mirror
Mirb
Mire
Mirg
Mmry
Mpx1
Mpx2
Mpx3
Mpx4
Operation switch
P20
P21
Pm+r
Pmhr
Pmvr
Pnk
Power seat ecu (under driver's seat)
Pvc
Pwr seat fuse 30a
Remote control mirror switch
Right
Right remote control mirror
Seat memory switch
Select switch
Set
Sgnd
Sw1
Sw2
Swe
Sysb
Vssr

Memory Seat Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Memory Seat Wiring Diagram for Toyota Avalon XLS 2003:

(behind left side of dash) body ecu
(in body harness, under left front seat) b12
B12
B12 (under left front seat)
B14
Control)
Driver side j/b (behind left side of dash)
Driver's power seat control switch
Driver's seat lumbar support control switch (w/ floor shift)
E14
Ecu-b fuse 7.5a
Fdwn
Front passenger's power seat control switch
Frv+
Frv-
Fup
Gauge 1 fuse 10a
Gnd
Hot at all times
Hot in on or start
Ih (at right center of dash)
J/b 3 (behind left kick panel)
J/c 10 (in right front side of luggage compartment)
J/c 11 (in left front side of luggage compt)
J/c 14 (under left front seat)
J/c 3 (behind right center of dash)
Ldwn
Lft+
Lft-
Lumbar support control switch (driver's seat)
Lup
Memory mirrors circuit
Mirb
Mire
Mirg
Mmry
Mpx1
Mpx2
P20
P21
Pnk
Power seat ecu (under driver's seat)
Power seat motor (driver's seat front vertical control)
Power seat motor (driver's seat rear vertical control)
Power seat motor (driver's seat reclining control)
Power seat motor (driver's seat slide control)
Power seat motor (front passengr's seat rear vertical control)
Power seat motor (front passengr's seat reclining control)
Power seat motor (front passengr's seat slide control)
Power seat position sensor (driver's seat front vertical
Power seat position sensor (driver's seat rear vertical
Power seat position sensor (driver's seat reclining control)
Power seat position sensor (driver's seat slide control)
Pvcc
Pwr seat fuse 30a
Rcl+
Rcl-
Rclf
Rclr
Rdwn
Red
Rup
Seat memory switch
Set
Sgnd
Sld+
Sld-
Sldf
Sldr
Ssfv
Ssrl
Ssrr
Ssrs
Sw1
Sw2
Swe
Sysb

NAVIGATION

Navigation Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003

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List of elements for Navigation Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003:

Acc
Aui+
Aui-
Auo+
Auo-
B13
Driver side j/b (behind left side of dash)
Ecu-acc fuse 5a
Ecu-ig 2 fuse 10a
Fl+spkr
Fl-spkr
Gauge 2 fuse 10a
Gnd
Hot at all times
Hot in on or acc
Hot in on or start
Hot w/ tail relay energized
Instrument cluster system
Junction connector 2 (behind center of dash)
Junction connector 6 (behind right center of dash)
L11
Left front door speaker
Left tweeter
Navigation ecu (on left side of luggage compt)
Nca
Panel fuse 5a
Pnk
Radio fuse 15a
Red
Rev
S10
Spd
Stereo component amplifier
Sync
Tx+
Tx-

Navigation Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003

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List of elements for Navigation Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003:

(at left front of engine, on surge tank) eb
(behind left kick panel)
(behind right kick panel)
A j16
Acc
Anti-lock brakes system
B21
Back light circuit
Back-up light swith (park/neutral postion switch) (on left side of transaxle)
C11
C15
C18
C20
Column shift
Cpu
D11
D15
D20
D22
Diode (a/t indicator light switch) (column shift) (behind right center of dash, taped to harness)
E15
E18
E22
F11
F15
Floor shift
Gnd
I12
Ig (at left end of dash)
Ih (at right center of dash)
Interior lights system
J/b 3
J/b 3 (behind left kick panel)
J/b 4
J15
Junction connector 15 & 16 (on top of left kick panel)
Junction connector 17 (behind center of dash)
Junction connector 5 (behind right side of dash)
M10
Multi display
Navigation controller (below floor console)
Navigation display
Nca
Nca column shift
Pnk
R15
R16
Radio & player
Red
Remocom
S-gnd
Sgnd
Tx+
Tx-

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Toyota Avalon XLS 2003

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List of elements for Power Distribution Wiring Diagram (1 of 3) for Toyota Avalon XLS 2003:

(behind left side of dash) driver side j/b
(left end of dash)
A13
Abs & ba & trac & vsc ecu
Abs actuator & ecu (w/o traction control)
Abs fuse 60a
Abs fuse no 2 25a
Abs fuse no 3 25a
Abs mtr relay
Abs no 4 fuse 5a
Abs sol relay
Acc
Alt fuse 120a
Am 1 fuse 40a
B10
B12
Back-up light circuit, shift lock ecu, remote control mirror switch, radio & player, stereo component amplifier
Battery
Body ecu
C/opn relay
C10
Cds fuse 30a
Center air bag sensor assembly
Center airbag sensor
Charge warning light
Cig fuse 15a
Cigarette lighter
D11
D12
Data link connector 3
Door no 1 fuse 25a
Driver door ecu
Ecu- acc fuse 5a
Engine control module
Engine control module, park/neutral position switch
Engine room j/b (on left front inner fender panel)
Engine room r/b no 3 (on left front of engine compt)
Engine room r/b no 5 (on left front inner fender panel)
F10
Fan no 1 relay
Fan no 3 relay
Fl p/w fuse 25a
Fog fuse 15a
Fog lights
Fog relay
Fusible link block (on left front inner fender panel)
Generator
Heater relay
Htr fuse 50a
I13
I7 (dash harn, left side of dash)
Ig (left end of dash)
Ig 1 relay
Ignition switch
Moon roof control ecu
Nca
Obd ii fuse 7.5a
Off
Opner fuse 5a
Pnk
Power seat ecu, driver's seat control switch, front passenger's seat control switch, lumbar support control switch
Pwr out no 1 fuse 15a
Pwr outlet no 2 fuse 15a
Pwr seat fuse 30a
Rdi fuse 30a
Red
Seat heater control switch
Seat htr fuse 20a
Srs- acc fuse 10a
Start
Stop fuse 15a
Stop- light switch
Sun roof fuse 30a
Theft deterrent ecu
To am2 fuse (diagram 2 of 3)
To ecu-ig no 2 fuse (diagram 2 of 3)
To engine room j/b (pin c11) (diagram 2 of 3)
To engine room j/b (pin g2) (diagram 2 of 3)
To power outlet (diagram 3 of 3)
To power point relay (diagram 3 of 3)
To tail relay (diagram 2 of 3)

Power Distribution Wiring Diagram (2 of 3) for Toyota Avalon XLS 2003

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List of elements for Power Distribution Wiring Diagram (2 of 3) for Toyota Avalon XLS 2003:

(behind left side of dash)
(on left front inner fender panel)
(w/drl)
A/f fuse 25a
A/f relay
A10
Abs actuator and ecu
Air conditioning system
Air fuel ratio sensor (bank 1, sensor 1)
Air fuel ratio sensor (bank 2, sensor 1)
Alt-s fuse 5a
Am 2 fuse 10a
B10
B11
B13
Back-up light circuit
Body ecu
Body ecu, horn switch
Body ecu, theft deterrent ecu, power seat ecu, a/c control assembly, driver door ecu, front passenger door ecu, combination meter, heater control switch
C/opn relay
C11
C12
C13
D10
D13
Dcc fuse 30a
Def fuse 40a
Def relay
Defogger system
Dome fuse 7.5a
Door no 2 fuse 15a
Driver door ecu
Driver side j/b
Drl no 2 relay
Ecu-b fuse 7.5a
Ecu-ig no 1 fuse 5a
Ecu-ig no 2 fuse 10a
Ed (front of left front fender)
Efi no 1 fuse 15a
Efi no 2 fuse 7.5a
Efi relay
Engine control module
Engine control module, front parking lights
Engine control module, transponder key amplifier
Engine room j/b
Exterior lights system
F13
Fr p/w fuse 20a
From driver d side j/b (diagram 1 of 3)
From driver side j/b (pin j2) (diagram 1 of 3)
From fusible link block (alt fuse) (diagram 1 of 3)
From ig 1 e relay (diagram 1 of 3)
From ignition switch (diagram 1 of 3)
Front parking lights
Front passenger door ecu
Gauge no 1 fuse 10a
Gauge no 2 fuse 10a
Generator
Generator, fan relays
Haz fuse 15a
Hazard switch
Head relay
Horn fuse 10a
Horn relay
Horns
Htr fuse 10a
I11
Ig 2 fuse 15a
Ig 2 relay
Ignition coils, noise filter
Injectors
Inner mirror
Interior lights system, door control receiver, garage door opener, multi- display
Interior lights systems
J/b no 4 (behind right kick panel)
L10
L11
Left rear window switch
Light failure sensor
Main fuse 40a
Main switch (pin 3) (diagram 3 of 3)
Malfunction indicator lamp, multi- display
Mir htr fuse 10a
Mirror heaters
Moon roof control ecu,
Panel fuse 5a
Pnk
Pwr relay
Pwr seat ecu
Radio fuse 15a
Radio/ player, stereo component amplifier, multi- display
Right rear window switch
Rl p/w fuse 20a
Rr p/w fuse 20a
Shift lock ecu
Srs warn fuse 5a
Srs warning light, multi- display
St relay
Starter
Tail fuse 10a
Tail relay
Theft deferrent ecu
Theft deterrent ecu, cruise control ecu, combination meter, buzzer, multi- display, active light relay, translate ecu
To power outlet
Turn fuse 7.5a
Wip fuse 25a
Wiper/ washer system

Power Distribution Wiring Diagram (3 of 3) for Toyota Avalon XLS 2003

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List of elements for Power Distribution Wiring Diagram (3 of 3) for Toyota Avalon XLS 2003:

Ac1
Ac2
B1 (left front door sill)
B21
Bk (front of left inner quarter panel)
C20
Column shift
Floor shift
From j/b
From power outlet
Front passenger side r/b no 7 (upper right side of dash)
Ground
If (left kick panel)
Ig (left end of dash)
Ij (right end of dash)
J/b no 3 (behind left kick panel)
J/b no 4 (behind right kick panel)
J/c 11 (in left front side of luggage compartment)
J/c no 5 (behind right side of dash)
J/c no 9 (on top of right kick panel)
No 1 fuse (pin d12) (diagram 1 of 3)
No 2 fuse (pin b7) (diagram 1 of 3)
No 4 (pin d13) (diagram 2 of 3)
Pnk
Power outlet
Power outlet (column shift)
Power outlet (floor shift)
Power outlet main switch
Power point relay
Relay
Voltage inverter (under left front seat)

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, with Keyless Entry for Toyota Avalon XLS 2003

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List of elements for Power Door Locks Wiring Diagram, with Keyless Entry for Toyota Avalon XLS 2003:

(at center rear of luggage compt) bm
(at left end of dash) ig
(at right kick panel) ii
(behind center of dash) j/c 2
(behind right center of dash) j/c 3
(on top of right kick panel) j/c 9
A11
Act+
Act-
Actd
Bdr1
Bdr2
Bk (at front of left inner quarterpanel)
Body ecu
C12
Cpub
D14
D17
D22
Dcty
Dome fuse 7.5a
Door 1 fuse 25a
Door 2 fuse 15a
Door control receiver (on right front side of trunk)
Driver door ecu (in driver's door)
Driver side j/b (behind left side of dash)
E17
Ecu-b fuse 7.5a
Ecu-ig 2 fuse 10a
Engine room j/b (on left front inner fender panel)
F14
F17
F19
Front passenger door ecu (in right front door)
Gnd
Gnd1
Gnd2
Hot at all times
Hot in on or start
I21
If (at left kick panel)
Ig (at left end of dash)
Ii (at right kick panel)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 11
J/c 18 (behind right center of dash)
J/c 4 (behind right side of dash)
Keye
Ksw
Kul
Left front door courtesy switch
Left front door lock motor, door unlock detection switch & door key lock & unlock switch
Left rear door lock motor
Lock
Lsr
Lswd
Lswp
Luggage compartment door opener main switch
Luggage compartment door opener motor (on middle rear of trunk lid)
Luggage compartment door opener switch
Mpx1
Mpx2
Mpx4
Pcty
Prg
Rda
Right front door courtesy switch
Right front door lock motor, door unlock detection switch & door key lock & unlock switch
Right rear door lock motor
Sig
Tku
Tr+
Unlk
Unlock warning switch
Wireless door lock buzzer (on right front of engine compt)

Power Door Locks Wiring Diagram, without Keyless Entry for Toyota Avalon XLS 2003

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List of elements for Power Door Locks Wiring Diagram, without Keyless Entry for Toyota Avalon XLS 2003:

(at center rear of luggage compt) bm
(at left end of dash) ig
(at right end of dash) ij
(at right kick panel) ii
(behind center of dash) j/c 2
(behind right center of dash) j/c 3
A11
Act+
Act-
Actd
Bdr1
Bdr2
Bk (at front of left inner quarterpanel)
Body ecu
C12
Cpub
D14
D17
D22
Dcty
Door 1 fuse 25a
Door 2 fuse 15a
Driver door ecu (in driver's door)
Driver side j/b (behind left side of dash)
E17
Ecu-b fuse 7.5a
Ecu-ig 2 fuse 10a
Engine room j/b (on left front inner fender panel)
F14
F17
F19
Front passenger door ecu (in right front door)
Gnd
Gnd1
Gnd2
Hot at all times
Hot in on or start
I21
If (at left kick panel)
Ig (at left end of dash)
Ii (at right kick panel)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 11
J/c 4 (behind right side of dash)
J/c 9
Keye
Ksw
Kul
Left front door courtesy switch
Left front door lock motor, door unlock detection switch & door key lock & unlock switch
Left rear door lock motor
Lock
Lsr
Lswd
Lswp
Luggage compartment door opener main switch
Luggage compartment door opener motor (on middle rear of trunk lid)
Luggage compartment door opener switch
Mpx1
Mpx2
Mpx4
Pcty
Right front door courtesy switch
Right front door lock motor, door unlock detection switch & door key lock & unlock switch
Right rear door lock motor
Sig
Tku
Tr+
Unlk
Unlock warning switch

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Electrochromic Mirror Wiring Diagram for Toyota Avalon XLS 2003:

Bl (at top of left "b" pillar)
Driver side j/b (behind left side of dash)
Ec mirror (left remote control mirror)
Ec+
Ec-
Gauge 2 fuse 10a
Hot in on or start
Ig (at left end of dash)
Inner mirror
J/b 3 (behind left kick panel)
J/c 4 (behind right side of dash)
W/ moon roof

Power Mirrors Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Power Mirrors Wiring Diagram for Toyota Avalon XLS 2003:

C15
D15
Defogger system
Down
Driver side j/b (behind left side of dash)
Ec+
Ec-
Ecu-acc fuse 5a
Electrochromic mirror circuit
F20
H22
Hot in acc or on
If (at left kick panel)
Interior lights system
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/b 4 (behind right kick panel)
Left
Left remote control mirror
Operation switch
Remote control mirror switch
Right
Right remote control mirror
Select switch
W/ mirror heater
W/o mirror heater

POWER SEATS

Heated Seats Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Heated Seats Wiring Diagram for Toyota Avalon XLS 2003:

(driver's seat)
(front passenger's seat)
A10
B14
Driver side j/b (behind left side of dash)
Gnd
Hot at all times
Hot in on or start
Htr fuse 10a
I11
I18
If (at left kick panel)
Ig+
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Junction connector 10 (in right front side of luggage compt)
Junction connector 11 (in left front side of luggage compt)
Junction connector 14 (under left front seat)
Seat heater
Seat heater control switch (part of control control assembly)
Seat htr fuse 20a
Shd+
Shd-
Shp+
Shp-

Power & Lumbar Seat Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Power & Lumbar Seat Wiring Diagram for Toyota Avalon XLS 2003:

B12
B12 (in body harness, under left front seat)
B14
Down
Driver side j/b (behind left side of dash)
Driver's power seat control switch
Driver's seat lumbar support control motor
Driver's seat lumbar support control switch (w/ floor shift)
Front
Front passenger's power seat control switch
Front vertical
Hot at all times
Junction connector 10 (in right front side of luggage compt)
Junction connector 11 (in left front side of luggage compt)
Power seat motor (driver's seat front vertical control)
Power seat motor (driver's seat rear vertical control)
Power seat motor (driver's seat reclining control)
Power seat motor (driver's seat slide control)
Power seat motor (front passenger's seat rear vertical control)
Power seat motor (front passenger's seat reclining control)
Power seat motor (front passenger's seat slide control)
Pwr seat fuse 30a
Rear
Rear vertical
Reclining
Red
Slide

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Power Top/Sunroof Wiring Diagram for Toyota Avalon XLS 2003:

Bl (at top of left ``b" pillar)
C13
C17
D10
Dcty
Down/ open
Driver side j/b (behind left side of dash)
Dwn
E17
Gauge 1 fuse 10a
Hot at all times
Hot in on or start
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Left front door courtesy switch
Moon roof control ecu (in front center of roof)
Moon roof control switch
Pcty
Right front door courtesy switch
Sun roof fuse 30a
Up/ close

POWER WINDOWS

Power Windows Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Power Windows Wiring Diagram for Toyota Avalon XLS 2003:

(at center rear of luggage compt) bm
(behind left kick panel) j/b 3
A10
A13
Alt fuse 120a
Bdr
Body ecu (behind left side of dash)
Cpub
D10
D14
Data link connector 2 (behind left side of dash, on instrument panel j/b)
Data link connector 3 (behind left side of dash, on instrument panel j/b)
Down
Driver door ecu (in driver's door)
Driver side j/b (behind left side of dash)
Dwn2
Ecu-b fuse 7.5a
F10
F14
Fl p/w fuse 25a
Fr p/w fuse 20a
Front passenger door ecu (in right front door)
Fusible link block (on left front inner fender panel)
Gauge 1 fuse 10a
Gnd
Gnd1
Gnd2
Hot at all times
Hot in run or start
I4 (in dash harness, at left kick panel)
If (at left kick panel)
Ig (at left end of dash)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
Junction connector (behind right center of dash)
Junction connector 4 (behind right side of dash)
Junction connector11 (in left front side of luggage compt)
L12
Left front power window motor
Left rear power window control switch
Left rear power window motor
Limit switch
Lmt
Mpx1
Mpx2
Mpx3
Mpx4
Pls
Pnk
Power relay
Pulse sensor
Red
Right front power window motor
Right rear power window control switch
Right rear power window motor
Rl p/w fuse 20a
Rld
Rlu
Rr p/w fuse 20a
Rrd
Rru
Sig
Up2
Wlsw

RADIO

6-Speaker System Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for 6-Speaker System Wiring Diagram for Toyota Avalon XLS 2003:

(behind right center of dash) j/c 3
Acc
C15
D15
Driver side j/b (behind left side of dash)
Ecu-acc fuse 5a
Fl+
Fl-
Fr+
Fr-
Hot at all times
Hot in run or acc
Ih (at right center of dash)
Illum
Interior lights system
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 3 (behind right center of dash)
J/c 6 (behind right center of dash)
L11
Left front door speaker
Left rear door speaker
Left tweeter
Pnk
Radio & player
Radio fuse 15a
Red
Right front door speaker
Right rear door speaker
Right tweeter
Rl+
Rl-
Rr+
Rr-

Radio Wiring Diagram, 7 Speaker System for Toyota Avalon XLS 2003

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List of elements for Radio Wiring Diagram, 7 Speaker System for Toyota Avalon XLS 2003:

(behind right center of dash)
(in right front side of luggage compt)
Acc in
Acc+b
Amp on
Amp+b
Aui+
Aui-
Auo+
Auo-
Beep
Bu+b
C15
D15
Driver side j/b (behind left side of dash)
Ecu-acc fuse 5a
Fl in
Fl+ spkr
Fl- spkr
Fr in
Fr+ spkr
Fr- spkr
Gnd
Hot at all times
Hot in run or acc
I12
Ih (at right center of dash)
Illum
Interior lights system
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 10
J/c 3
J/c 6
L11
Left front door speaker
Left rear door speaker
Left tweeter
M10
Multi display (w/ navigation)
Mute
Navigation display
Navigation ecu (on left side of luggage compt)
Nca
Pnk
Pwr gnd
R15
R16
Radio & player
Radio fuse 15a
Red
Remocom
Right front door speaker
Right rear door speaker
Right tweeter
Rl in
Rl+ spkr
Rl- spkr
Rr in
Rr+ spkr
Rr- spkr
S-gnd
S10
Sig gnd
Sld
Stereo component amplifier
Tx+
Tx-
W/ column shift
W/ nav
W/o nav
Wf+
Wf-
Woofer

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Shift Interlock Wiring Diagram for Toyota Avalon XLS 2003:

(behind left center of dash) j/b 3
Acc
C12
C15
C22
Column shift
D11 red
D15
D22
Driver side j/b (behind left side of dash)
Ecu-acc fuse 5a
Floor shift
Gauge 1 fuse 10a
Hot at all times
Hot in acc or on
Hot in on or start
If (at left kick panel)
Ig (at left end of dash)
J/b 3 (behind left center of dash)
J/b 3 (behind right center of dash)
J/b 4 (behind right side of dash)
J/c 16 (on top of left kick panel)
Key interlock solenoid (behind ignition key cylinder)
Kls+
Shift lock control switch
Shift lock ecu (floor shift: below center console, left of gear selector) (column shift: on underside of steering column)
Shift lock solenoid
Sls+
Sls-
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Stp

STARTING/CHARGING

Charging Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Charging Wiring Diagram for Toyota Avalon XLS 2003:

(w/ navigation) (w/o navigation)
A11
A13
Acc
Alt fuse 120a
Alt-s fuse 5a
Altl
Am2 fuse 10a
B11
Battery
Battery ground
Body ecu (behind left side of dash)
Charge warning light
Driver side j/b (behind left side of dash)
Ecu-ig 1 fuse 5a
Engine room j/b (on left front inner fender panel)
Fusible link block (on left front inner fender panel)
Generator
Hot in on or start
I8 (in dash harness, at left side of dash)
Ignition switch
J/b 3 (behind left kick panel)
Junction connector 17 (behind center of dash)
M7 m7
Multi- display
Nca
Off
Start

Starting Wiring Diagram for Toyota Avalon XLS 2003

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List of elements for Starting Wiring Diagram for Toyota Avalon XLS 2003:

Acc
Am2 fuse 10a
Battery
Battery ground
Combination meter
Ed (at front of left front fender)
Engine control module (behind right side of dash)
Engine engine room j/b room j/b (on left front front inner fender panel)
Fusible link block (on left front inner fender panel)
Ignition switch
Junction connector (on top of left kick panel)
Junction connector 17 (behind center of dash)
Main fuse 40a
Nca
Nsw
Off
P/ n
Park/neutral position switch (on left side of transaxle)
Sta
Start
Starter
Starter relay

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003

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List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Toyota Avalon XLS 2003:

(at bottom of left "b" pillar) left side air bag sensor
(at bottom of right "b" pillar) right pretensioner
+sl
+sr
-sl
-sr
Acc
Air bag squib (front passenger air bag assembly)
Air bag squib (steering wheel pad)
Am2
Body ecu (behind left side of dash)
Center air bag sensor assembly (below center of dash)
D2+
D2-
Driver side j/b (behind left side of dash)
Esl
Esr
Fsl
Fsr
Gsw
Hot at all times
Ig (at left end of dash)
Ig2
Ignition switch
J/c 15
J/c 15 & 16 (on top of left kick panel)
J/c 16
J/c 17 (behind center of dash)
Lbe+
Left front air bag sensor (left front of vehicle)
Left pretensioner (at bottom of left "b" pillar)
Left side air bag squib
Lock
Lsp+
Lsp-
P2+
P2-
Pl+
Pl-
Pnk
Pr+
Pr-
Rbe+
Right front air bag sensor (right front of vehicle)
Right side air bag squib
Sfl+
Sfl-
Sfr+
Sfr-
Sil
Ssl-
Ssr-
Start
Vupl
Vupr

Supplemental Restraints Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003

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List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Toyota Avalon XLS 2003:

(at bottom of right "b" pillar) right side air bag sensor
A12
A13
Buckle switch
C18
Data link connector 2 (partial) (behind left side of dash, instrument panel j/b)
Data link connector 3 (partial) (behind left side of dash, on instrument panel j/b)
Driver side j/b (behind left side of dash)
E18
G20
I10
I4 (in dash harness, at left kick panel)
J/b 3 (behind left kick panel)
J/b 4 (behind right kick panel)
J/c 10 (in right front side of luggage compartment)
J/c 11 (in left front side of luggage compartment)
J/c 5 (behind right side of dash)
J/c 9 (on top of right kick panel)
Left buckle switch (in driver's seat belt buckle)
Pnk
Relay
Right buckle switch
Seat position air bag sensor
Srs
Srs warning light (multi display)
W/ navigation system
W/navigation system
W/o navigation system