Toyota Highlander II (2007-2010) (behind left front headlight) Wiring diagrams

1 2 3 4 5 6 +B VM SI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 RBUS 1 2 3 4 5 6 7 8 9 10 ILL+ IG+ 21 28 THW 33 34 CANH CANL 8 14 MREL RFC A/C AMPLIFIER ASSEMBLY A/C CONTROL ASSEMBLY 2 (W/ REAR A/C) A/C EVAPORATOR TEMPERATURE SENSOR AUTOMATIC LIGHT CONTROL SENSOR (W/ AUTOMATIC A/C) BLK WIRE BLK/RED WIRE BLOWER MOTOR CONTROL (W/ REAR A/C) BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING COLOR (BROWN) CONNECTOR HOUSING COLOR (GRAY) COOLING FAN ECU COOLING FAN MOTOR COOLING FAN MOTOR 2 DAMPER SERVO MOTOR (AIR MIX) DAMPER SERVO MOTOR (AIR VENT MODE) ECM 2 3 1 EFI RELAY ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) ENGINE ROOM R/B ENGINE ROOM RELAY BOX (IF EQUIPPED) FAN MAIN FUSE FAN MAIN RELAY FRONT ROOM TEMPERATURE SENSOR (W/ AUTOMATIC A/C) GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B J/C LT BLU WIRE LT GRN WIRE M+(S) M-(S) MAIN FAN MOTOR MPX ORG/ WIRE PNK WIRE RBUG BLWH RBBU REAR BLOWER W/ FAN MOTOR SUB- ASSEMBLY REAR COOLING UNIT ASSEMBLY (W/ REAR A/C) REAR EVAPORATOR SUB ASSEMBLY (W/ REAR AUTOMATIC A/C) RED WIRE RLIN RR CLR FUSE SG-6 SGND SUB FAN MOTOR TEC TSL TSR VIO WIRE W/ REAR A/C WHT WIRE WHT/BLK WIRE YEL WIRE

+BS GND CANL 12 14 6 TS CANL CANH BLK WIRE BLU WIRE BM CANH HDCS FSW+ BRAKE PEDAL LOAD SENSING SWITCH (ABOVE BRAKE PEDAL) BRK-LP RELAY BRN WIRE DLC 3 DOWNHILL ASSIST CONTROL SWITCH (IF EQUIPPED) ECU-IG 2 FUSE ENGINE ROOM R/B GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL HUB) LEFT REAR SPEED SENSOR LT GRN WIRE ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE PEDAL) PKB CSW STPO PNK WIRE RED WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL HUB) RIGHT REAR SPEED SENSOR RL- RL+ FR- FR+ RR- RR+ FL- FL+ SKID CONTROL BUZZER (BEHIND LEFT SIDE OF DASH) SKID CONTROL ECU W/ ACTUATOR (RIGHT FRONT OF ENGINE COMPT) STOP FUSE STOP LIGHT SWITCH VIO WIRE VSC 1 FUSE VSC 2 FUSE VSC OFF SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

21 28 THW 33 34 CANH CANL 8 14 MREL RFC BLK/RED WIRE BLU WIRE BRN WIRE COMPUTER (BEHIND DATA LINES LEFT FRONT HEADLIGHT) COOLING FAN COOLING FAN MOTOR MOTOR 2 COOLING FAN ECU EFI MAIN FUSE EFI RELAY ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) ENGINE ROOM R/B FAN MAIN FUSE FAN MAIN RELAY GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B J/C M+(S) M-(S) RED WIRE SUB FAN MAIN FAN MOTOR MOTOR SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+B (DOME) 12 10 26 15 25 4 27 7 21 RDA PRG 17 10 LCTY 20 1 LSR/LSWL ACT+ 20 5 9 1 24 10 GCTY ACTD LSWD TR+ DCTY 6 26 ALTB BECU 6 5 CANL CANH 7 5 BZR KSW BACK DOOR LOCK ASSEMBLY (BOTTOM CENTER OF BACK DOOR) BCTY MLRY LSWP RCTY PCTY INTERIOR LIGHTS SYSTEM BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM COURTESY DOOR CONTROL RECEIVER (IN LEFT "D" PILLAR) DRIVE IC ECU- IG 1 FUSE ECU-ACC FUSE GAUGE 2 FUSE GCTY GRN WIRE GRY WIRE HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) MICRO COMPUTER ORG/ WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (IN RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY LIGHT SWITCH (IN RIGHT "C" PILLAR) UNLOCK WARNING SWITCH ASSEMBLY VIO WIRE WARNING IND MASTER WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

5 4 3 2 1 DATA +5 BACK DOOR OPENER SWITCH ASSEMBLY BLK WIRE BLU WIRE BRN WIRE BZR CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) CGIB CLG CLGB COMPUTER DATA LINES SYSTEM DOOR CONTROL RECEIVER (IN LEFT "D" PILLAR) GRN WIRE GRY WIRE HSW IND INTEGRATION CONTROL, PANEL ASSEMBLY SECURITY IND J/C LEFT FRONT DOOR OUTSIDE HANDLE ASSEMBLY LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RDA RSSI AGND RED WIRE RSSI GND SECURITY COURTESY SWITCH (NEAR HOOD LATCH) SEL SENS SGT TRG+ TXCT CODE LIN VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

BLK WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVIOR ASSEMBLY) BRAKE PEDAL LOAD SENSING SWITCH BRN WIRE COOLER COMPRESSOR ASSEMBLY ENGINE ROOM J/B ENGINE ROOM R/B ENGINE ROOM R/B WIRELESS DOOR LOCK INVERTER BUZZER RELAY ENGINE ROOM RELAY BOX FRONT WIPER DEICER COOLING (WINDSHIELD FAN GLASS) ECU HEADLIGHT DIMMER SWITCH ASSEMBLY J/C LEVEL WARNING SWITCH ASSEMBLY LIGHT CONTROL CIRCUIT PATTERN SELECT SWITCH ASSEMBLY 1 RIGHT FOG LIGHT ASSEMBLY RIGHT FRONT CLEARANCE LIGHT (RIGHT HEADLIGHT ASSEMBLY) RIGHT FRONT TURN SIGNAL LIGHT (RIGHT HEADLIGHT ASSEMBLY) RIGHT HEADLIGHT ASSEMBLY RIGHT REAR DOOR W/ MOTOR LOCK ASSEMBLY RR DEF RELAY RELAY SECURITY A/F EFI COURTESY RELAY RELAY SWITCH SKID CONTROL ECU W/ ACTUATOR ASSEMBLY ST RELAY TOWING CONVERTER VSC OFF SWITCH W/ POWER SEAT WHT WIRE WHT/BLK WIRE

BACK DOOR OPENER SWITCH ASSEMBLY BLU WIRE BRN WIRE CENTER STOP LIGHT ASSEMBLY DOOR CONTROL RECEIVER GLASS HATCH JUNCTION RELAY 1 GLASS HATCH JUNCTION RELAY 2 JUNCTION CONNECTOR LEFT BACK UP LIGHT SOCKET LEFT FOG LIGHT ASSEMBLY LEFT REAR DOOR W/ MOTOR LOCK ASSEMBLY LEFT REAR TURN SIGNAL LIGHT SOCKET LEFT TAIL, STOP LIGHT SOCKET POWER OUTLET SOCKET ASSEMBLY REAR FUEL PUMP, WIPER FUEL SENDER MOTOR GAUGE ASSEMBLY ASSEMBLY RIGHT BACK UP LIGHT SOCKET RIGHT REAR TURN SIGNAL LIGHT SOCKET RIGHT TAIL, STOP LIGHT SOCKET TRAILER HITCH VOLTAGE INVERTER ASSEMBLY W/ GLASS HATCH OPENER W/ POWER SEAT WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY YAW RATE SENSOR ASSEMBLY

+B (DOME) OR IG BLK WIRE BLU WIRE BRN WIRE CAN I/F CANL CANH COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE DRIVE IC ECU-B FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B FRONT FOG IND BEAM IND GRN WIRE H-LP (LL) FUSE H-LP (LL) RELAY H-LP (RL) FUSE H-LP (RL) RELAY H-LP HI RELAY H-LP RH H-LP LH FUSE FUSE HEAD IND (USA) HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT HEADLAMP ASSEMBLY LIGHT CONTROL CIRCUIT LT GRN WIRE MICRO COMPUTER ORG/ WIRE PNK WIRE POWER SUPPLY CIRCUIT RIGHT HEADLAMP ASSEMBLY W/ DRL W/O DRL WHT WIRE WHT/BLK WIRE YEL WIRE

2 5 10 REAR IG+ WINDOW DEFOGGER GND SWITCH 38 37 RDEF A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C CONTROL ASSEBLY BLK WIRE BLU WIRE BRN WIRE DEF RLY FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GAUGE 1 FUSE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) REAR WINDOW DEFOGGER (BACK WINDOW GLASS) (W/ GLASS HATCH OPENER) REAR WINDOW DEFOGGER (BACK WINDOW GLASS) (W/O GLASS HATCH OPENER) RED WIRE RR DEF FUSE RR DEF RELAY VIO WIRE W/O GLASS HATCH OPENER W/ GLASS HATCH OPENER WHT WIRE WHT/BLK WIRE YEL WIRE

A/F FUSE A/F RELAY ACCR VPA ALT RFC STP BLK WIRE BLU LT WIRE BLU WIRE BRN WIRE C/OPN RELAY COMPUTER DATA LINES SYSTEM DSL SLT- SLT+ EFI 1 FUSE EFI RELAY ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ETCS FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE NC+ NT+ EKNK NC- NT- ORG/ WIRE PNK PNK WIRE PNK WIRE PPMP TC RED WIRE STAR SR STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM COOLING FANS SYSTEM VIO WIRE VPMP MPMP +BM MREL IGSW FC WHT WIRE WHT/BLK WIRE YEL WIRE