Toyota Highlander I facelift (2003-2007) (in engine compt harness, at left rear of engine compt) Wiring diagrams

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

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

BLK WIRE BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) DEICER RELAY FR DEF FUSE FRONT IG ILL WIPER DEICER, MIRROR HEATER SWITCH (A/C CONTROL ASSEMBLY) FRONT WIPER DEICER (ON LEFT REAR OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START IA (AT LEFT KICK PANEL) IB (AT RIGHT DASH BRACE) IC (AT RIGHT KICK PANEL) ILL FDEF INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT MIRROR HEATER LEFT REMOTE CONTROL MIRROR PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE R/B 1 (LEFT OF INSTRUMENT PANEL J/B) RIGHT RIGHT MIRROR HEATER REMOTE CONTROL MIRROR VIO WIRE WHT/BLK WIRE YEL WIRE

ALT-S FUSE ANTI-THEFT SYSTEM ANTI-THEFT, BODY COMPUTER, DOOR LOCKS SYSTEMS BC (AT LEFT SIDE OF REAR CROSSMEMBER) BLK WIRE BLU WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COIL CONTACT DOME FUSE DOOR LOCK FUSE DRL 2 RELAY ECU-B FUSE EFI 1 FUSE EFI RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE CONTROLS SYSTEM ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 3 (ON RIGHT FRONT OF ENGINE COMPT) EXCD FROM CENTER J/B (DIAGRAM 3 OF 4) FROM FUSIBLE LINK BLOCK (DIAGRAM 1 OF 4) FROM MAIN FUSE (DIAGRAM 2 OF 4) FUSE GRN WIRE HAZARD FUSE HEADLAMP RELAY HORN FUSE HORN RELAY IB (AT RIGHT DASH BRACE) INVERTER RELAY JUNCTION MAIN FUSE MAIN SWITCH POWER POWER OUTLET RAD 1 FUSE RED WIRE RED/BLK WIRE SECURITY FUSE SHORT PIN SOUND SYSTEMS STARTING/ CHARGING SYSTEM TO SHORT PIN (DIAGRAM 2 OF 4) TOWING FUSE VOLTAGE INVERTER (CENTER OF VEHICLE) +B W/ REAR SEAT ENTERTAINMENT SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE