Toyota Avalon XX20 facelift (2002-2005) ig (at left end of dash) Wiring diagrams

ABS 2 FUSE ABS 4 FUSE ABS FUSE ABS MTR RELAY ABS SOL RELAY ABS, BA, TRAC, VSC ECU (BEHIND RIGHT SIDE OF DASH) BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE 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- RR+ RR- RL+ RL- FR+ FR- GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES IG (AT LEFT END OF DASH) II (AT RIGHT KICK PANEL) IJ (AT RIGHT END OF DASH) IG (AT LEFT END OF DASH) IND EBDW 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 LEFT REAR ABS SPEED SENSOR LT GRN WIRE LT GRN/BLK WIRE ML+ ML- SRLR SFRH MT ORG/ WIRE R+ SFLR SRRR SFLH SRRH MR FL+ RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT ABS SPEED SENSOR (ON INSIDE OF RIGHT FRONT WHEEL) RIGHT REAR ABS SPEED SENSOR TRAC OFF SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/RED WIRE YIGA

ACTIVE LIGHT RELAY (BEHIND LEFT SIDE OF DASH) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRL BRN WIRE DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) STOP FUSE ED (FRONT OF LEFT FRONT FENDER) EE (AT FRONT OF LEFT FRONT FENDER) ENG GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES IG (AT LEFT END OF DASH) J/B 3 (BEHIND LEFT KICK PANEL) J/B 4 (BEHIND RIGHT KICK PANEL) LBL LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE ML+ NCA WIRE NEO ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSAXLE) PARKING BRAKE SWITCH (BEHIND DASH, ON PARKING BRAKE LEVER BRACKET) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RSS SFLH SFLR SFRH SFRR SRLH SRLR SRRH SRRR STEERING SENSOR (COMBINATION SWITCH) STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) TRANSLATE ECU (BEHIND RIGHT SIDE OF DASH) TRC+ VIO WIRE VIO/WHT WIRE VSC WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

ABS ABS 3 FUSE ABS IND. ABS, BA, TRAC, VSC ECU (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE IND BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CRUISE CONTROL ECU (BEHIND LEFT CENTER OF DASH) D/G DASH) 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 ENG ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT FRONT INNER FENDER PANEL) FSS GAUGE 1 FUSE GNDA (-) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START 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) LT (IN DASH HARNESS, AT LEFT KICK PANEL) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT LT LT MASTER CYLINDER PRESSURE SENSOR (ON LEFT SIDE OF MASTER CYLINDER) MULTI-DISPLAY NEO ORG/ WIRE PKB YD GYAW YAW YGND PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE SFRR SIL SLIP IND SRLH TRAC OFF IND TRC+ VCM PMC VIO WIRE VIO/WHT WIRE VSC IND VSC WARNING BUZZER WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WT VSCW YAW RATE SENSOR (BETWEEN FRONT SEATS) YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BACK-UP LIGHT RELAY BACK-UP LIGHT SWITCH (PARK/NEUTRAL POSITION SWITCH) (ON LEFT SIDE OF TRANSAXLE) BM (AT CENTER REAR OF LUGGAGE COMPT) 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 GAUGE 2 FUSE GRY WIRE 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) BACK- UP LIGHT COMBINATION LIGHT LEFT REAR RED/BLK WIRE RED/BLU WIRE RIGHT REAR BACK- UP LIGHT COMBINATION LIGHT WHT/BLK WIRE

2 3 4 5 6 7 8 9 10 11 12 SIG ACT- RCTY PBKL TKU AJAR BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU CLTB DOOR 1 FUSE DOOR 2 FUSE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM POWER WINDOWS SYSTEM DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) DRL ECU-ACC FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM J/B (ON LEFT FRONT INNER FENDER PANEL) FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HEADLIGHTS SYSTEM HF HEAD AUTO DCTY LGC PRG RLD HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HRLY TRLY HORN STOP HU TAIL PKB DBKL KSW TC GSW BZ RDA RLU PNK WIRE IF (AT LEFT KICK PANEL) IG (AT LEFT END OF DASH) ILL INTERIOR LIGHTS SYSTEM WARNING SYSTEM DOOR LOCKS SYSTEM STARTING/CHARGING SYSTEM J/B 3 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 4 (BEHIND RIGHT SIDE OF DASH) LT GRN WIRE LT GRN/RED WIRE ORG/ WIRE PNK/BLU WIRE POWER SEAT ECU (UNDER DRIVER'S SEAT) POWER WINDOWS SYSTEM WARNING SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RRD DBEW RRU PBEW THEFT DETERRENT ECU (BEHIND RIGHT SIDE OF DASH) TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT/BLK WIRE WHT/RED WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

+ECU A/D TC TC BLK WIRE BLU WIRE CAN STP COLUMN SHIFT COMBINATION SWITCH CRUISE CONTROL ACTUATOR (ON LEFT FRONT OF ENGINE COMPT) CRUISE CONTROL ECU (BEHIND LEFT CENTER OF DASH) CRUISE CONTROL IND CRUISE CONTROL SWITCH DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ECU-IG 2 FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) FLOOR SHIFT FUSE GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START 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) LT GRN WIRE LT GRN/RED WIRE LT LT MAIN MO PNK WIRE MULTI-DISPLAY PARK/ NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSAXLE) PI TC ECT MC PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RES ACCEL SET/ COAST SPD IDL OD MO GND STOP FUSE STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) TRANSLATE ECU (BEHIND RIGHT SIDE OF DASH) TRANSMISSIONS SYSTEM VIO WIRE VIO/WHT WIRE W/O TRACTION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BODY ECU TRLY BRAKE PEDAL) COMBINATION METER COMBINATION SWITCH DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ED (AT FRONT OF LEFT FRONT FENDER) IG (AT LEFT END OF DASH) ENGINE ROOM J/B (ON LEFT FRONT INNER FENDER PANEL) HAZ FUSE FUSIBLE LINK BLOCK (ON LEFT FRONT INNER FENDER PANEL) ALT FUSE GAUGE 1 FUSE GRN WIRE GRN/WHT WIRE HAZARD SWITCH 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 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) LEFT FRONT PARK/ TURN LIGHT J/C 15, 16 (ON TOP OF LEFT KICK PANEL) LEFT REAR COMBI- NATION LIGHT RIGHT REAR COMBI- NATION LIGHT LEFT REAR COMBIN- ATION LIGHT LEFT RIGHT LIGHT CONTROL SWITCH LIGHT FAILURE SENSOR LT GRN WIRE MULTI-DISPLAY NOISE FILTER (STOP LIGHT) OFF OFF ON OFF TAIL PNK WIRE REAR LIGHTS WARNING IND RED WIRE RIGHT FRONT PARK/ TURN LIGHT RIGHT LICENSE PLATE LIGHT LEFT LICENSE PLATE LIGHT RIGHT REAR COMBIN- ATION LIGHT SIDE TURN STOP FUSE STOPLIGHT SWITCH (ON BRACKET, ABOVE TAIL TAIL FUSE TAIL RELAY TAIL STOP STOP TAIL TURN FUSE TURN SIDE TURN SIGNAL FLASHER RELAY (BEHIND TOP LEFT SIDE OF DASH) TURN SIGNAL IND LIGHTS TURN SIGNAL SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

3 16 6 8 7 20 PCTY RCTY ALTL CLTS CLTE CLTB 4 3 1 CLTS CLTE CLTB 5 15 24 10 DCTY PKB 7 21 PRG RDA AUTOMATIC LIGHT CONTROL SENSOR (ON TOP LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BODY ECU COMBINATION SWITCH DOOR COURTESY SWITCH (LEFT FRONT) DOOR LOCKS SYSTEM DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) DRL DRL FUSE 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 DIMMER SWITCH FLASH LO HIGH FOGLIGHT SWITCH GENERATOR GENERATOR GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE HEAD AUTO HEAD RELAY HF HU AUTO TAIL HEAD HOT AT ALL TIMES IG (AT LEFT END OF DASH) J/B 3 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 15, 16 (ON TOP OF LEFT KICK PANEL) JUNCTION CONNECTOR 4 (BEHIND RIGHT SIDE OF DASH) LEFT HEADLIGHT (LOW) LIGHT CONTROL SWITCH OFF TAIL LOWER LEFT HEAD FUSE LOWER RIGHT HEAD FUSE LT GRN WIRE MAIN FUSE OFF TAIL ORG/ WIRE PARKING BRAKE SWITCH (BEHIND DASH, ON PARKING BRAKE LEVER BRACKET) PNK 14 12 HEAD AUTO WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT (LOW) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

1 2 3 4 5 +B CODE RXCK TXCT GND 2 1 22 8 16 IGSW BATT IMLD MREL +B 28 19 18 CODE RXCK TXCT BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU/ORG WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER TRANS- PONDER KEY COIL DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ED (AT FRONT OF LEFT FRONT FENDER) EFI 1 FUSE EFI 2 FUSE EFI RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT FRONT INNER FENDER PANEL) EOM KSW HOT AT ALL TIMES IG (AT LEFT END OF DASH) IGNITION SWITCH II (RIGHT KICK PANEL) 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) OFF PNK/GRN WIRE RED/YEL WIRE SECURITY INDICATOR TRANSPONDER KEY AMPLIFIER (ON LEFT SIDE OF DASH, ON STEERING COLUMN) UNLOCK WARNING SWITCH VIO/WHT WIRE WHT WIRE WHT/BLK WIRE

A/C AUTOMATIC A/C CONTROL ASSEMBLY (AUTOMATIC A/C) SPD ANTI-THEFT SYSTEM BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESEROIR) BRN WIRE COMBINATION METER CRUISE CONTROL ECU (BEHIND LEFT CENTER OF DASH) SPD CRUISE CONTROL SYSTEM ANTI-LOCK BRAKES SYSTEM DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ECU-B FUSE ED (AT FRONT OF LEFT FRONT FENDER) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) TACH ENGINE CONTROLS SYSTEM ENGINE ROOM J/B (ON LEFT FRONT INNER FENDER PANEL) EXTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM FUEL GAUGE FUEL IND GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HIGH BEAM IND HOT AT ALL TIMES IG (AT LEFT END OF DASH) IG 2 FUSE IG 2 RELAY IH TRANSMISSIONS SYSTEM (AT RIGHT CENTER OF DASH) ILLUMINATION J/B 3 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR JUNCTION CONNECTOR 15, 16 (ON TOP OF LEFT KICK PANEL) LEFT TURN IND LT GRN/BLK WIRE MANUAL A/C MULTI-DISPLAY NAVIGATION ECU (ON LEFT SIDE OF LUGGAGE COMPT) SPD NAVIGATION SYSTEM NCA WIRE O/D OFF IND ODO TRIP ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE REVERSE BUZZER RIGHT TURN IND SECURITY SOUNDS SYSTEM SPEEDOMETER STARTING/CHARGING SYSTEM TACHOMETER TEMPERATURE GAUGE VIO/WHT WIRE W/D WARNING SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE