Toyota Highlander I facelift (2003-2007) ic (at right kick panel) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ILL- ILL- GND SG TEST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SG MPX+ 4 5 6 1 HI A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) AIR BAG SENSOR ASSEMBLY (BELOW FRONT OF CENTER CONSOLE) AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER CENTER OF DASH) AIR MIX CONTROL SERVO MOTOR (BEHIND CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND LEFT CENTER OF DASH) BLK WIRE BLK/YEL WIRE BLOWER CONTROL SWITCH BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH) BLU WIRE BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) CONTROL PANEL DIM ILL+ INTERIOR LIGHTS SYSTEM ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) EVAPORATOR TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) GND B+ GRN WIRE GRN/YEL WIRE GRY WIRE HEATER FUSE HEATER RELAY (RIGHT OF INSTRUMENT PANEL J/B) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IA (AT LEFT KICK PANEL) IB (AT RIGHT DASH BRACE) IC (AT RIGHT KICK PANEL) ILL+ ILL+ IG INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) HEATER FUSE INTERIOR LIGHTS SYSTEM ILL + JUNCTION CONNECTOR 5 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE MPX MR/F AIR AIF HR ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK SG-1 AMC AMH WIRE PNK/BLU WIRE RADIO 2 FUSE RED WIRE SHORT CONNECTOR (BEHIND LEFT SIDE OF DASH) STX CLK DPD SWD TE TPO AOD AOF SS-4 TP TELLTALE LIGHT ASSEMBLY VIO WIRE W/ NAVIGATION GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ILL- ILL- GND SG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SG-4 MPX+ SG-3 TR TE TPO AOD AOF A/C AMBIENT TEMPERATURE SENSOR (ON FRONT CENTER OF GRILLE) A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) A/C SOLAR SENSOR (ON UPPER LEFT SIDE OF DASH) AIR BAG SENSOR ASSEMBLY (BELOW FRONT OF CENTER CONSOLE) AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER CENTER OF DASH) AIR MIX CONTROL SERVO MOTOR (BEHIND CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND LEFT CENTER OF DASH) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER MOTOR CONTROLLER BLU WIRE BLW BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) CONTROL PANEL DIM ILL+ INTERIOR LIGHTS SYSTEM ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) EVAPORATOR TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) GND B+ GRN WIRE GRN/YEL WIRE GRY WIRE HEATER FUSE HEATER RELAY (RIGHT OF INSTRUMENT PANEL J/B) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IA (AT LEFT KICK PANEL) IB (AT RIGHT DASH BRACE) IC (AT RIGHT KICK PANEL) ILL+ ILL+ IG INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) HEATER FUSE INTERIOR LIGHTS SYSTEM ILL + JUNCTION CONNECTOR 5 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE MPX MR/F AIR AIF HR ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK SG-1 AMC AMH WIRE PNK WIRE PNK/BLU WIRE RADIO 2 FUSE RED WIRE ROOM TEMPERATURE SENSOR (BEHIND CENTER OF DASH) SHORT CONNECTOR (BEHIND LEFT SIDE OF DASH) STX CLK DPD SWD TELLTALE LIGHT ASSEMBLY VIO WIRE W/ NAVIGATION GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ILL- ILL- GND SG TEST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SG-4 MPX+ 4 5 6 HI A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) AIR BAG SENSOR ASSEMBLY (BELOW FRONT OF CENTER CONSOLE) AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER CENTER OF DASH) AIR MIX CONTROL SERVO MOTOR (BEHIND CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND LEFT CENTER OF DASH) BLK WIRE BLK/YEL WIRE BLOWER CONTROL SWITCH BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH) BLU WIRE BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) CONTROL PANEL DIM ILL+ ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) EVAPORATOR TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) GND B+ GRN WIRE GRN/YEL WIRE GRY WIRE HEATER FUSE HEATER RELAY (RIGHT OF INSTRUMENT PANEL J/B) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IA (AT LEFT KICK PANEL) IB (AT RIGHT DASH BRACE) IC (AT RIGHT KICK PANEL) ILL+ ILL+ IG INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 5 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE MPX MR/F AIR AIF HR ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK SG-1 AMC AMH WIRE PNK/BLU WIRE RADIO 2 FUSE RED WIRE SHORT CONNECTOR (BEHIND LEFT SIDE OF DASH) STX CLK DPD SWD TE TPO AOD AOF SS-4 TP TELLTALE LIGHT ASSEMBLY VIO WIRE W/ NAVIGATION GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

1 2 3 5 GND CANL CANH IG 1 3 9 10 2 IG BATT CANL CANH ESS ABS IND. BB (AT RIGHT CENTER PILLAR) BF (AT RIGHT CORNER OF VEHICLE) BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BRAKE IND BRAKE WARNING SWITCH (ON MASTER CYLINDER ASSEMBLY) BRN WIRE BRN/RED WIRE BRN/WHT WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE ECU-B FUSE ECU-IG FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/YEL WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START IB (AT RIGHT DASH BRACE) IC (AT RIGHT KICK PANEL) IGN FUSE IND INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 19 (AT REAR OF VEHICLE) JUNCTION CONNECTOR 16 (RIGHT KICK PANEL) JUNCTION CONNECTOR 17 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 6 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE SLIP IND SPEEDOMETER STEERING SENSOR STOP FUSE STOP- LIGHT SWITCH (ABOVE BRAKE PEDAL) TIRE AIR PRESSURE IND TRAC OFF VIO WIRE VSC IND VSC WARNING BUZZER WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YAW RATE SENSOR (ON REAR OF VEHICLE) YEL WIRE

ACT+ ACTD 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 BECU HORN ILE PCYL PNK WIRE BLK WIRE BLU WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) CLTB D FR DOOR FUSE DCYL DOOR LOCK FUSE DOOR LOCKS SYSTEM DRL HRLY HEADLIGHTS SYSTEM ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM FUSE GRN WIRE GRY WIRE HAZ CLTE CLTS HEAD TAIL INTERIOR, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS, HEADLIGHTS, INTERIOR LIGHTS SYSTEMS HEADLIGHTS SYSTEM PNK WIRE HORNS SYSTEM INTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IB (AT RIGHT DASH BRACE) IC (AT RIGHT KICK PANEL) IG FFGO TRLY INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INTERIOR LIGHTS, DOOR LOCKS SYSTEMS BCTY INTERIOR LIGHTS, DOOR LOCKS SYSTEMS DCTY INTERIOR LIGHTS,, DOOR LOCKS SYSTEMS J/C 6 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) LEFT FRONT DOOR COURTESY LIGHT LT BLU WIRE LT GRN WIRE NAVIGATION SYSTEM HEADLIGHTS SYSTEM ORG/ WIRE P FR DOOR FUSE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE PEDAL) PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PD PU POWER WINDOWS SYSTEM PKB RCTY PCTY LSWA PML PKL PBEW FFOG LSWP PMUL PKUL HU HF RADIO 2 FUSE RED WIRE RIGHT FRONT DOOR COURTESY LIGHT RLD RLU BZR RDA PRG POWER WINDOWS SYSTEM RRD RRU POWER WINDOWS SYSTEM SNOW TRANSMISSIONS SYSTEM UNLOCK WARNING SWITCH (IN STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 5 3 2 GND IG CANH CANL 13 11 25 42 24 D/G CANH CANL WFSE TS 19 20 15 WFSE TC EOM 3 10 9 1 2 PNK BAT CANH CANL WIRE A/C CONTROL ASSEMBLY (BEHIND CENTER AIR BAG SENSOR ASSEMBLY BB (AT RIGHT CENTER PILLAR) BLK WIRE BLU WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE CG SC CANH SIL COMBINATION METER DATA LINK CONNECTOR (DLC) 3 (UNDER LEFT SIDE OF DASH) DIA ECU-B FUSE ECU-IG FUSE EE (AT INTAKE SIDE OF CYLINDER BLOCK) (2.4L) ED (ON TOP OF ENGINE) (3.0L) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IC (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 16 (RIGHT KICK PNK PANEL) 21 20 WIRE J/C 17 (BEHIND LEFT SIDE OF DASH) J/C 7 (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE MPX MULTI-DISPLAY OBD FUSE OCCUPANT CLASSIFICATION ECU (BELOW RIGHT FRONT SEAT) OF DASH) OPTION CONNECTOR 1 (BEHIND LEFT KICK PANEL) ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK 10 8 WIRE PNK WIRE PNK/BLK WIRE POWER WINDOW MASTER SWITCH WITH ECU (IN DRIVER'S DOOR) RED WIRE SHORT CONNECTOR SIL SKID CONTROL ECU WITH ACTUATOR (RIGHT FRONT OF ENGINE COMPT) STEERING SENSOR (IN STEERING COLUMN) TAC TACH TRANSPONDER KEY COMPUTER (BEHIND RIGHT SIDE OF DASH) TS TC CANL WFSE BAT VIO WIRE W/ NAVIGATION SYSTEM W/ THEFT- DETERRENT SYSTEM W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YAW RATE SENSOR (ON REAR OF VEHICLE) YEL WIRE

BACK DOOR KEY LOCK, UNLOCK SWITCH BLK WIRE BLK/ORG WIRE BLU WIRE BODY ECU (BEHIND BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMPUTER DATA LINES SYSTEM CPUB ECU-B FUSE ECU-IG FUSE ENGINE HOOD COURTESY SWITCH (ON FRONT CENTER OF ENGINE COMPT) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IB (AT RIGHT DASH BRACE) IC (AT RIGHT KICK PANEL) IG IOUT KSW IND INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) IOUT J/C 1 (BEHIND LEFT HEADLIGHT) J/C 14 (ON LEFT REAR OF VEHICLE) J/C 17 (BEHIND LEFT SIDE OF DASH) J/C 6 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) LT BLU WIRE LT GRN WIRE OPTION CONNECTOR 2 (BEHIND UPPER RIGHT SIDE OF DASH) ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE POWER WINDOW MASTER SWITCH W/ ECU (IN DRIVER'S DOOR) RED WIRE S+B SECURITY FUSE THEFT DETERRENT ECU (BEHIND RIGHT SIDE OF DASH) THEFT DETERRENT HORN (ON RIGHT SIDE OF ENGINE COMPT) THEFT DETERRENT INDICATOR LIGHT UL DSWH UNLOCK WARNING SWITCH (IN STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU 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

AGND BLK WIRE BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) CODE CTY DATA LINK CONNECTOR (DLC) 3 (UNDER LEFT SIDE OF DASH) ECU-B FUSE EFII EFIO ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/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) IC (AT RIGHT KICK PANEL) IGN FUSE IMI IMO IND INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 16 (RIGHT KICK PANEL) J/C 6 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK +B WIRE PNK IG WIRE PNK SIL WIRE PNK WIRE RED WIRE THEFT DETERRENT INDICATOR LIGHT TRANSPONDER KEY AMPLIFIER (IN STEERING COLUMN) TRANSPONDER KEY COMPUTER (BEHIND RIGHT SIDE OF DASH) TXCT UNLOCK WARNING SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU 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