Toyota Highlander I facelift (2003-2007) combination switch Wiring diagrams

+B FR- FL- RR- RL- GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 FR+ FL+ RR+ RL+ 1 2 3 4 5 6 7 8 PNK WIRE AUI- AUO- BEEP FL FR BF BB (AT RIGHT CENTER PILLAR) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMBINATION SWITCH EAU ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FRONT ANTENNA AMPLIFIER (BEHIND CENTER OF DASH) GMD GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON IB (AT RIGHT DASH BRACE) ILL AMP+ ILL- ANT INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 18 (AT REAR OF VEHICLE) J/C 19 (AT REAR OF VEHICLE) LEFT FRONT DOOR SPEAKER NAVIGATION ECU (W/ NAVIGATION) (BELOW DRIVER'S SEAT) LEFT REAR DOOR SPEAKER LT BLU WIRE LT GRN WIRE LT RIGHT TWEETER MODE MUTE FR+ FL+ SLD NCA WIRE ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 AMP+ WIRE PNK 1 LEFT TWEETER WIRE PNK RSR+ RSR- RSL+ RSL- RMU WIRE PNK WIRE R+ R- L+ L- MUTE RADIO 1 FUSE RADIO 2 FUSE RADIO, PLAYER RED WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER SEEK SGND BEEP RR RL GND SGND MUTE RL RR STEREO POWER AMPLIFIER (IN LUGGAGE COMPARTMENT) TX- TX+ VIO WIRE VOLUME- W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

+BM SPD 2.4L 3.3L 3.3L ACCEL POSITION SENSOR (ABOVE ACCELERATOR PEDAL) BATT MREL NEO ENG+ TRC+ ENG- TRC- BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND DATA LINK CONNECTOR (DLC) 3 (UNDER LEFT DOME FUSE EC (3.3L) (2.4L) EF (REAR OF LEFT (AT LEFT SIDE OF VALVE COVER) CYLINDER BLOCK) ECU-B FUSE ED EE (3.3L) (2.4L) (AT INTAKE SIDE OF (ON TOP CYLINDER BLOCK) OF ENGINE) EFI 1 FUSE EFI RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) ETCS FUSE GRN WIRE GRN/BLK WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START IB (AT RIGHT DASH BRACE) IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT SIDE FUSE OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 16 (RIGHT KICK PANEL) J/C 2 (BEHIND LEFT HEADLIGHT) J/C 6 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) J/C 7 (BEHIND RIGHT SIDE OF DASH) LCD LT GRN WIRE M- M+ NCA WIRE NEO ENG+ TRC+ ENG- TRC- ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK 9 1 2 3 8 17 24 25 30 31 27 29 23 26 28 22 20 IGSW +B WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/WHT WIRE SIDE OF DASH) SKID CONTROL ECU WITH ACTUATOR (RIGHT FRONT OF ENGINE COMPARTMENT) SPEEDOMETER STOP FUSE STOP- LIGHT SWITCH (ABOVE BRAKE PEDAL) TRANSMISSION) A/T INDICATOR SWITCH VCPA EPA VPA VCPA EPA VPA TC VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER COMBINATION SWITCH FRONT WASHER SWITCH FRONT WIPER MOTOR (ON LEFT REAR OF ENGINE COMPT) FRONT WIPER SWITCH GRN WIRE HOT IN ON OR START IA (AT LEFT KICK PANEL) IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INT TIME JUNCTION CONNECTOR 3 (ON RIGHT SIDE OF ENGINE COMPT) LT BLU WIRE LT GRN WIRE OFF PNK WIRE RED WIRE SOLID STATE VIO WIRE WASHER FUSE WASHER LEVEL IND WASHER LEVEL SENSOR (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WIPER FUSE YEL WIRE

2.4L A/C MAGNETIC CLUTCH, LOCK SENSOR AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD BRAKE WARNING SWITCH BRN WIRE CAMSHAFT POSITION SENSOR SHIELD COMBINATION SWITCH CRANKSHAFT POSITION SENSOR SHIELD DATA LINK CONNECTOR 3 DRL 3 RELAY DRL 4 RELAY EA (AT RIGHT FRONT FENDER APRON) EB (AT RIGHT FRONT FENDER APRON) EE (AT INTAKE SIDE OF CYLINDER BLOCK) EF (AT LEFT SIDE OF CYLINDER BLOCK) EG (UNDER LEFT HEADLIGHT) EH (UNDER LEFT HEADLIGHT) ENGINE CONTROL MODULE ENGINE HOOD COURTESY SWITCH FAN 2 RELAY STARTER RELAY A/F RELAY HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD IGNITION COIL, IGNITER 1 IGNITION COIL, IGNITER 3 IGNITION COIL, IGNITER 2 IGNITION COIL, IGNITER 4 INVERTER RELAY J/C 1 J/C 2 J/C 3 J/C 4 J/C 7 (BEHIND RIGHT SIDE OF DASH) KNOCK SENSOR SHIELD LEFT FRONT FOG LIGHT LEFT FRONT TURN SIGNAL/ PARKING LIGHT LEFT HEADLIGHT (LOW BEAM) RIGHT FRONT FOG LIGHT LEFT FRONT PARKING LIGHT LEFT HEADLIGHT LOW BEAM NCA WIRE ORG/ WIRE PRESSURE SWITCH RADIATOR FAN MOTOR REAR DEFOG RELAY EFI RELAY RED WIRE RIGHT FRONT PARKING LIGHT RIGHT FRONT TURN SIGNAL/ PARKING LIGHT RIGHT HEADLIGHT LOW BEAM SKID CONTROL ECU W/ ACTUATOR W/ DRL W/O DRL WASHER LEVEL SENSOR WATER TEMPERATURE SWITCH 1 WHT/BLK WIRE

3.3L A/C MAGNETIC CLUTCH, LOCK SENSOR AIR BAG SENSOR ASSEMBLY BB (AT RIGHT CENTER PILLAR) BF (AT RIGHT REAR CORNER OF VEHICLE) BLK WIRE BLOWER CONTROL SWITCH BLOWER MOTOR CONTROL BRN WIRE CHARCOAL CANISTER ASSEMBLY YAW RATE SENSOR COMBINATION SWITCH CRANKSHAFT POSITION SENSOR SHIELD DATA LINK CONNECTOR 3 EC (REAR OF LEFT VALVE COVER) ED (ON TOP OF ENGINE) ENGINE CONTROL MODULE FRONT PASSENGER'S SEAT CONTROL SWITCH FRONT WIPER DEICER FRONT WIPER MOTOR IA (AT LEFT KICK PANEL) IGNITION COIL, IGNITER 1 IGNITION COIL, IGNITER 2 IGNITION COIL, IGNITER 4 IGNITION COIL, IGNITER 3 IGNITION COIL, IGNITER 5 IGNITION COIL, IGNITER 6 INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 18 (AT REAR OF VEHICLE) J/C 19 (AT REAR OF VEHICLE) J/C 23, 24 (BELOW RIGHT FRONT SEAT) J/C 7 (BEHIND RIGHT SIDE OF DASH) KNOCK SENSOR 1 SHIELD HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD KNOCK SENSOR 2 SHIELD LEFT VVT SENSOR SHIELD AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD NCA WIRE OCCUPANT CLASSIFICATION ECU ORG/ WIRE REAR HEATER BLOWER MOTOR REAR HEATER BLOWER SWITCH REAR HEATER RELAY RED WIRE RELAY RIGHT REAR DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH RIGHT REAR POWER WINDOW SWITCH RIGHT SEAT ENTERTAINMENT ECU RIGHT SEAT HEATER SWITCH RIGHT VVT SENSOR SHIELD STEREO POWER AMPLIFIER TO PASSENGER SIDE J/B (DIAGRAM 3 OF 4) W/O POWER SEAT W/ POWER SEAT WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK ECU

10 17 16 18 15 14 FFOG HEAD 12 20 21 CLTB CLTE CLTS 2 3 PNK DRL HRLY WIRE 9 14 7 BECU PKB ALT FUSE AUTO OFF AUTOMATIC LIGHT CONTROL SENSOR (ON UPPER LEFT SIDE OF DASH) BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMBINATION METER COMBINATION SWITCH DCTY DRL 2 RELAY DRL 3 RELAY DRL 4 RELAY DRL FUSE EB (AT RIGHT FRONT FENDER APRON) ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) LEFT LOWER HEAD LP FUSE FLASH AUTO OFF FOG LIGHT RELAY FOGLIGHT SWITCH FR FOG FUSE FUSE FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HEADLAMP RELAY HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IA (AT LEFT KICK PANEL) IC (AT RIGHT KICK PANEL) IG TRLY FFGO INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) RADIO 2 FUSE J/C 1 (BEHIND LEFT HEAD- LIGHT) J/C 3 (ON RIGHT SIDE OF ENGINE COMPT) LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT FRONT FOG LIGHT LEFT HIGH BEAM HEADLIGHT LEFT LOW BEAM HEAD- LIGHT RIGHT FRONT FOG LIGHT LEFT UPPER HEAD LP FUSE LIGHT CONTROL SWITCH LOW LOW FLASH LT BLU WIRE LT GRN WIRE MAIN FUSE OF ENGINE COMPT) OFF ON ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE PEDAL) DIMMER SWITCH PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HIGH BEAM HEADLIGHT RIGHT LOW BEAM HEAD- LIGHT RIGHT LOWER HEAD LP FUSE RIGHT UPPER HEAD LP FUSE TAIL FUSE TAIL HF HU TAIL LIGHT RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

14 17 18 15 10 HU HEAD TAIL HF FFOG 9 7 BECU ALT FUSE BLK WIRE BLU WIRE BLU/RED WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMBINATION METER COMBINATION SWITCH DCTY DIMMER SWITCH ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) FOG LIGHT RELAY FOGLIGHT SWITCH FR FOG FUSE FUSE FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HEAD LP LEFT LOWER FUSE HEAD LP LEFT UPPER FUSE HEAD LP RIGHT UPPER FUSE HEAD LP RIGHT LOWER FUSE HEAD OFF HEADLAMP RELAY HIGH BEAM INDICATOR HIGH HIGH HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IA (AT LEFT KICK PANEL) IC (AT RIGHT KICK PANEL) IG TRLY FFGO INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) RADIO 2 FUSE J/C 1 (BEHIND LEFT HEAD- LIGHT) JUNCTION CONNECTOR 3 (ON RIGHT SIDE OF ENGINE COMPT) LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT FRONT FOG LIGHT LEFT HIGH BEAM HEAD- LIGHT RIGHT HIGH BEAM HEAD- LIGHT LEFT LOW BEAM HEAD- LIGHT LIGHT CONTROL SWITCH LOW LOW FLASH FLASH LT BLU WIRE LT GRN WIRE MAIN FUSE OFF ON ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/YEL WIRE RIGHT FRONT FOG LIGHT RIGHT LOW BEAM HEAD- LIGHT TAIL TAIL FUSE TAIL LIGHT RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BODY ECU (BEHIND RIGHT SIDE OF DASH) HORN COMBINATION SWITCH ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) HORN RELAY GRN/WHT WIRE HORN FUSE HORN SWITCH HOT AT ALL TIMES PNK WIRE RIGHT HORN LEFT HORN (FRONT (FRONT OF OF VEHICLE) VEHICLE) WHT/RED WIRE

A/C CONTROL ASSEMBLY (W/O NAVIGATION SYSTEM) ALT FUSE ASHTRAY ILLUMINATION BB (AT RIGHT CENTER PILLAR) BF (AT RIGHT REAR CORNER OF VEHICLE) BLK WIRE BLU WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) CIGARETTE LIGHTER ILLUMINATION COMBINATION METER COMBINATION SWITCH COMBINATION SWITCH (8 SPEAKER) DOME FUSE ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GLOVE BOX LIGHT GMD GRN WIRE GRY WIRE HOT AT ALL TIMES IB (AT RIGHT DASH BRACE) INDICATOR LIGHT WIRE SUB ASSEMBLY INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 19 (AT REAR OF VEHICLE) LEFT SEAT HEATER SWITCH (W/ SEAT HEATER SYSTEM) LT BLU WIRE LT GRN WIRE MAIN SWITCH MULTI- DISPLAY (W/ NAVIGATION SYSTEM) ORG/ WIRE PANEL FUSE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) RADIO, PLAYER RADIO, PLAYER (8 SPEAKER) REAR HEATER BLOWER SWITCH (W/ REAR HEATER SYSTEM) REAR HEATER MAIN SWITCH (W/ REAR HEATER SYSTEM) RED WIRE RHEOSTAT RIGHT SEAT HEATER SWITCH (W/ SEAT HEATER SYSTEM) TAIL TAIL OFF HEAD LIGHT CONTROL SWITCH TAILLIGHT RELAY VIO WIRE WHT WIRE WHT/RED WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE COMBINATION SWITCH DIODE (REAR WIPER) (LEFT SIDE OF DASH) GRY WIRE HOT IN ON OR START IA (AT LEFT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT GRN WIRE OFF WASHER 1 ON INT ON INT OFF PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE REAR WASHER MOTOR (RIGHT FRONT OF ENGINE COMPT) REAR WIPER MOTOR (IN REAR DOOR) REAR WIPER/ WASHER SWITCH RR WIP FUSE WASHER 1 WASHER 2 WASHER FUSE WHT WIRE WHT/BLK WIRE YEL WIRE