Toyota Highlander I facelift (2003-2007) ib (at right dash brace) Wiring diagrams

1 2 3 4 5 6 7 8 IG LR LL BC (AT LEFT SIDE OF REAR CROSSMEMBER) BE (AT LEFT SIDE OF BACK DOOR) BLK WIRE BLU WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMBI- NATION SWITCH COMBINATION METER EL ER ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FUSE FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) ALT FUSE GRN WIRE GRY WIRE HAZARD FUSE HAZARD SWITCH (A/C CONTROL ASSEMBLY) HEAD OFF TAIL HIGH MOUNTED STOP LIGHT HOT AT ALL TIMES HOT IN ON OR START IA (AT LEFT KICK PANEL) IB (AT RIGHT DASH BRACE) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INSTRUMENT STOP FUSE PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 20 (NEAR LEFT KICK PANEL) JUNCTION CONNECTOR JUNCTION CONNECTOR 1 (BEHIND LEFT HEADLIGHT) EG JUNCTION CONNECTOR 12 (ON LEFT REAR OF VEHICLE) JUNCTION CONNECTOR 14 (ON LEFT REAR OF VEHICLE) JUNCTION CONNECTOR 14 (ON LEFT REAR OF VEHICLE) BE JUNCTION CONNECTOR 3 (ON RIGHT SIDE OF ENGINE COMPT) EA LEFT FRONT PARK/ TURN LIGHT LEFT REAR COMBIN- ATION LIGHT LEFT REAR SIDE MARKER LIGHT LICENSE PLATE LIGHT LIGHT CONTROL SWITCH (PART OF COMBINATION SWITCH) LT BLU WIRE LT GRN WIRE ORG/ WIRE PARK PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE RED WIRE RIGHT FRONT PARK/ TURN LIGHT RIGHT LEFT RIGHT REAR COMBIN- ATION LIGHT RIGHT REAR SIDE MARKER LIGHT STOPLIGHT SWITCH (ABOVE BRAKE PEDAL) TAIL TAIL FUSE TAIL STOP TAIL STOP TURN TAILLIGHT RELAY TURN TURN SIGNAL FLASHER (RIGHT OF INSTRUMENT PANEL J/B) TURN SIGNAL IND LIGHTS TURN SIGNAL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BODY ECU BRAKE PEDAL LOAD SENSING SWITCH BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) CENTRE J/B (BEHIND UPPER CENTER OF DASH) POWER WINDOW MASTER SWITCH W/ ECU CIGARETTE LIGHTER COMBINATION METER DATA LINK CONNECTOR 3 DOOR LOCK CONTROL SWITCH ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE CONTROL MODULE FROM CENTER J/B (DIAGRAM 3 OF 4) FROM INSTRUMENT PANEL J/B (DIAGRAM 2 OF 4) FRONT POWER OUTLET FRONT/REAR WIPER, WASHER SWITCH FUEL SENDER GARAGE DOOR OPENER, LEFT VANITY LIGHT GATEWAY ECU GLOVE BOX LIGHT TRAC OFF SWITCH HEATER RELAY IB (AT RIGHT DASH BRACE) IC (AT RIGHT KICK PANEL) INTERIOR LIGHT) J/C 13 (ON LEFT REAR OF VEHICLE) KEY INTERLOCK SOLENOID LEFT REMOTE CONTROL MIRROR LEFT SEAT HEATER SWITCH A/C CONTROL ASSEMBLY BLOWER RESISTOR MAIN SWITCH MULTI-DISPLAY NAVIGATION ECU ORG/ WIRE OVERHEAD J/B PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PRESSURE SWITCH RADIO, PLAYER RED WIRE REMOTE CONTROL MIRROR SWITCH RIGHT FRONT POWER WINDOW SWITCH RIGHT REMOTE CONTROL MIRROR RIGHT SEAT HEATER SWITCH RIGHT VANITY LIGHT SHIFT LOCK ECU SLIDING ROOF CONTROL ECU STEERING SENSOR TELL TALE LIGHT ASSEMBLY THEFT DETERRENT ECU THEFT DETERRENT INDICATOR LIGHT OPTION CONNECTOR 2 TO CENTER J/B (DIAGRAM 3 OF 4) TRANSPONDER KEY COMPUTER TURN SIGNAL FLASHER BODY ECU TURN SIGNAL SWITCH UNLOCK WARNING SWITCH SEAT HEATER RELAY VIO WIRE W/ 6 SPEAKER SYSTEM W/ MANUAL A/C W/ MOON- ROOF W/O MOON- ROOF WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER YEL WIRE

3.3L 3.3L 2.4L ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) A/T OIL TEMP IND ABS IND. AIR BAG IND ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM WIPER/WASHER SYSTEM BEAM IND BLK WIRE BLU WIRE BRAKE IND BRAKE WARNING SWITCH (ON MASTER CYLINDER ASSEMBLY) BRN WIRE BUZZER CENTER J/B (BEHIND UPPER CENTER OF DASH) CHARGE IND COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DOME FUSE DOOR IND DRIVER SEAT DRIVER'S SEAT BELT IND ECT SNOW IND ECU-B FUSE ENGINE CONTROLS SYSTEM ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (ON LEFT FUEL GAUGE FUEL IND GRN WIRE GRY WIRE HEAD LP RH LWR HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON OR START HOT W/ HEADLAMP RELAY ENERGIZED IB (AT RIGHT DASH BRACE) IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) HEATER FUSE J/B J/C 13 (ON LEFT REAR OF VEHICLE) J/C 4 (ON RIGHT SIDE OF ENGINE COMPT) J/C 6 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) PNK WIRE LCD LEFT TURN IND LT BLU WIRE LT GRN WIRE MAINT REQD IND (USA) MALFUNCTION IND LAMP MOPS MULTI-DISPLAY NAVIGATION ECU (BELOW O/D OFF IND OIL PRESSURE IND ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE PNK WIRE RED WIRE RHEOSTAT RIGHT TURN IND SIDE OF ENGINE COMPT) SLIP IND SPEEDOMETER TACHOMETER TIRE AIR PRESSURE IND TRAC OFF IND VIO WIRE VSC IND WASHER LEVEL IND WATER TEMP GAUGE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK 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

+B AUI- AUO- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 AUI+ AUO+ 1 2 3 4 5 6 7 8 9 10 VR A/T INDICATOR SWITCH (LEFT SIDE OF TRANSMISSION) BLK WIRE BLU WIRE BRN WIRE CENTER J/B CENTER J/B (BEHIND UPPER CENTER OF DASH) CG BATT COMPUTER DATA LINES SYSTEM DOME FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE GTX- HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IB (AT RIGHT DASH BRACE) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR SPEAKER LEFT TWEETER LT BLU WIRE LT GRN WIRE NAVIGATION ECU (BELOW DRIVER'S SEAT) NCA WIRE ORG/ WIRE PASSENGER SIDE J/B PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE RAD 2 FUSE RADIO, PLAYER REAR SEAT ENTERTAINMENT ECU (IF EQUIPPED) (REAR OF VEHICLE) RED WIRE RED/BLK WIRE STEREO POWER AMPLIFIER (IN LUGGAGE COMPT) FL+ SYNC VIO WIRE W/O REAR ENTERTAINMENT SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ILL+ ILL- 1 2 3 4 5 6 NTSC BLK WIRE BLU WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM CRT FUSE DATA LINK CONNECTOR (DLC) 3 ECU-B FUSE ECU-IG FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IB (AT RIGHT DASH BRACE) ILL+ PBEW INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) HEATER FUSE J/C 17 (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MULTI-DISPLAY NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE PEDAL) PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PBEW PNK TC HAZ ILL IG WIRE PNK WIRE RED WIRE SGND SKID CONTROL ECU WITH ACTUATOR (RIGHT FRONT OF ENGINE COMPT) SPEEDOMETER SYNC VG TURN SIGNAL HAZ FLASHER (RIGHT OF INSTRUMENT PANEL J/B) TX- TX+ VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU 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

+BM 1 2 3 4 PNK WIRE 24 25 PNK WIRE A/C SYSTEM ACMG BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM EFII EFIO ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) ETCS FUSE FAN FUEL INJ 1 FUEL INJ 2 FUEL INJ 3 FUEL INJ 4 GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES IB (AT RIGHT DASH BRACE) IMO IMI INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT GRN WIRE NSW STA VC THW THA ORG/ WIRE PNK WIRE RED WIRE RED/WHT WIRE STP 3 PNK WIRE TAM TRANSMISSION CONTROL SWITCH TRANSPONDER KEY COMPUTER (BEHIND RIGHT SIDE OF DASH) VIO WIRE VPMP WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

22 23 PNK WIRE A/T OIL TEMP IND ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DSL ECT SNOW IND ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE IB (AT RIGHT DASH BRACE) LCD LT BLU WIRE LT GRN WIRE OD OFF ORG/ WIRE PNK PNK 5 6 WIRE PNK WIRE RED WIRE RED/BLK WIRE SLT- SPEEDOMETER TACHOMETER THO VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

+BM 28 29 PNK WIRE A/C SYSTEM ACIS NSW STA VC THW THA ACMG BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CCV CENTER J/B (BEHIND UPPER CENTER OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM EFII EFIO ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) ETCS FUSE FUEL INJ 1 FUEL INJ 2 FUEL INJ 6 FUEL INJ 5 FUEL INJ 4 FUEL INJ 3 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES IB (AT RIGHT DASH BRACE) IMO IMI INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE STP 3 PNK WIRE TAM TRANSMISSION CONTROL SWITCH TRANSMISSION SHIFT MAIN SWITCH TRANSPONDER KEY COMPUTER (BEHIND RIGHT SIDE OF DASH) VIO WIRE VSV (ACIS 2) (REAR CENTER OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE