Toyota Highlander III (2013-2016) ecu-ig fuse Wiring diagrams

1 2 3 4 5 6 7 8 ILL- 18 19 20 21 22 23 PNK WIRE 3 2 PNK COMPUTER DATA LINES SYSTEM WIRE 8 9 PNK PNK PNK WIRE A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C CONTROL ASSEMBLY A/C CONTROL ASSEMBLY 2 A/C FUSE A/C UNIT (A/C HARNESS ASSEMBLY) B+ BUS BLK WIRE BLU WIRE BLW FDFI SHIN BRN WIRE BUS - BUS G CANH CANL SG-2 GND COM CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (RED) WIRE DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (AIR MIX LEFT) DAMPER SERVO MOTOR (AIR MIX RIGHT) DAMPER SERVO MOTOR (MODE CONTROL) DEFOGGER SYSTEM DEFOGGER SYSTEM SEATS SYSTEM ECO MODE ECON TAM TFG TNG ECU-IG FUSE ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) FA (LEFT SIDE OF DASH) FB (UNDER FRONT OF CENTER CONSOLE) FUSE GRN WIRE GRY WIRE HEATER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ IDH RH TR ILL+ IG+ GND LT BLU WIRE LT GRN WIRE METER FUSE ORG/ WIRE PNK HAZ WIRE PNK WIRE PRE RDEF FDEF RED WIRE RLIN RLY SEATS SYSTEM SG-4 SG-5 SGA TEA THERMISTOR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ECU-IG FUSE FB (UNDER FRONT OF CENTER CONSOLE) INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) RELAY ENERGIZED VIO WIRE WHT/BLK WIRE

ECU-IG FUSE INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) RELAY ENERGIZED VIO WIRE WHT/BLK WIRE

A/C AMPLIFIER ASSEMBLY (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CORNER OF ENGINE COMPT) AA DICR DICS ECU-IG FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FDEF FDFI FRONT WIPER DEICER FRONT WIPER DEICER (WINDSHIELD FRONT WIPER DEICER SWITCH FUSE GLASS) (LEFT REAR OF ENGINE COMPT) GROUND J/C 1 (LEFT FRONT GRY WIRE IGN INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LT BLU WIRE ORG/ WIRE OUTER MIRROR HEATER SWITCH ASSEMBLY RED WIRE RELAY ENERGIZED SEMICONDUCTOR POWER INTEGRATION ECU SW 1 VIO WIRE WHT WIRE WHT/BLK WIRE

10 23 19 9 18 SVDB SG-6 SVPS 5 4 3 2 1 SI VS IGB PNK WIRE A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLLH BLRH BLU WIRE ECU-IG FUSE FB (UNDER FRONT OF CENTER CONSOLE) GND 2 GRN WIRE GRY WIRE IGB INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 14 (UNDER FRONT PASSENGER SEAT) J/C 15 (UNDER DRIVER SEAT) J/C 15 (UNDER DRIVER SEAT) INTERIOR HYBRID EXCEPT HYBRID 24 22 LIGHTS SYSTEM J/C 16 (UNDER DRIVER SEAT) LA (RIGHT "B" PILLAR) LEFT SEAT BACK CLIMATE CONTROL BLOWER LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY LEFT SEAT HEATER CONTROL SUB-ASSEMBLY LT BLU WIRE LT GRN WIRE MB (LEFT "C" PILLAR) ORG/ WIRE PNK SVPS WIRE PNK VS WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT SEAT BACK CLIMATE CONTROL BLOWER RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY RIGHT SEAT HEATER CONTROL SUB-ASSEMBLY S/HTR F/L FUSE S/HTR F/R FUSE SEAT BACK HEATER SEAT CUSHION HEATER SEAT HEATER CONTROL SEAT HEATER SWITCH SEAT SEAT CUSHION BACK HEATER HEATER SHIN SVPB SVSG SWR THL SHIN SWL 9 14 8 THR+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

5 6 EXCEPT HYBRID HYBRID A/C AMPLIFIER ASSEMBLY (HYBRID) (BEHIND RIGHT SIDE OF DASH) BRN WIRE ECU-IG FUSE EXCEPT HYBRID FB (UNDER FRONT OF CENTER CONSOLE) GRN WIRE GRY WIRE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 15 (UNDER DRIVER SEAT) LA (RIGHT "B" PILLAR) LEFT SEAT HEATER CONTROL SUB-ASSEMBLY LEFT SEAT HEATER SWITCH LT BLU WIRE LT GRN WIRE MB (LEFT "C" PILLAR) ORG/ WIRE RED WIRE RELAY ENERGIZED RIGHT SEAT HEATER CONTROL SUB-ASSEMBLY RIGHT SEAT HEATER SWITCH S/HTR F/L FUSE S/HTR F/R FUSE SEAT BACK HEATER SEAT CUSHION HEATER SEAT HEATER CONTROL SHIN SWL 1 6 SWR THL THR+ VIO WIRE WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY ECU-IG FUSE FA (LEFT SIDE OF DASH) FB (UNDER FRONT OF CENTER CONSOLE) FD (LEFT CENTER OF DASH) FE (RIGHT CENTER OF DASH) FUSE GRN WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY IGB INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 9 (LEFT CENTER OF DASH) LANE DEPARTURE ALERT SWITCH (LANE-KEEPING ASSIST MAIN SWITCH) LANE DEPARTURE WARNING CAMERA (TOP CENTER OF WINDSHIELD) LED DRIVER LKSW LT BLU WIRE METER FUSE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (FRONT CENTER OF ENGINE COMPT) RED WIRE RELAY ENERGIZED SPEAKER TELLTALES TURN SIGNAL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2.7L, W/O MEMORY A/C AMPLIFIER ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C CONTROL ASSEMBLY BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIODE (MIRROR HEATER) (LEFT SIDE OF DASH) DOOR GLASS) ECU-IG FUSE ENGINE COMPT) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF EXCEPT HYBRID W/0 GLASS HATCH OPENER FB (UNDER FRONT OF CENTER CONSOLE) FUSE GND REAR WINDOW DEFOGGER IG+ SWITCH LIN 1 GRY WIRE HOT AT ALL TIMES HYBRID, EXCEPT HYBRID W/ GLASS HATCH OPENER IDLE UP FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 4 (RIGHT SIDE OF DASH) LIN 1 LT BLU WIRE MC (LEFT REAR QUARTERPANEL) MIR HTR FUSE NOISE FILTER (REAR WINDOW DEFOGGER, CENTER STOP LIGHT) (BASE OF LEFT "D" PILLAR) ORG/ WIRE PNK WIRE RDEF REAR WINDOW DEFOGGER (BACK RELAY ENERGIZED SEMICONDUCTOR IGN POWER INTEGRATION ECU RDEF DEFS VIO WIRE WHT WIRE WHT/BLK WIRE

AC INVERTER RELAY AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BKUP LP FUSE BLK WIRE BLU WIRE COOLING FANS, AIR CONDITIONING SYSTEMS CRUISE CONTROL SYSTEM CRUISE CONTROL, ANTI-LOCK BRAKES, EXTERIOR LIGHTS SYSTEMS CRUISE CONTROL, NAVIGATION SEATS, SYSTEMS D/L FUSE DOME CUT RELAY DOME FUSE DSS-IG FUSE ECU-IG FUSE ELECTRONIC POWER STEERING SYSTEM ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) EPS-IG FUSE EXCD EXTERIOR LIGHTS, SHIFT INTERLOCK SYSTEMS FROM FROM ENGINE ROOM R/B 1 (DIAGRAM 1 OF 4) FROM ENGINE ROOM R/B 1 (DIAGRAM 4 OF 4) FUSE GRN WIRE GRY WIRE HAZ FUSE STRG LOCK IGN INSTRUMENT CLUSTER SYSTEM J/C 9 (LEFT CENTER OF DASH) (LEFT SIDE L/D-DR ALL DR D-DR UNLOCK LOCK UNLOCK RELAY RELAY RELAY LT BLU WIRE LT GRN WIRE MAIN BODY ECU FUSE IG MEMORY, WARNING, TRUNK, TAILGATE, FUEL DOORS, SEATS, SOUND SYSTEMS MPX-B 3 FUSE NAVIGATION SYSTEM PNK WIRE R/B 5 (RIGHT SIDE OF DASH) REAR POWER OULET SOCKET ASSEMBLY 2 RED WIRE SEATS SYSTEM SEMICONDUCTOR POWER INTEGRATION ECU SHIFT INTERLOCK SYSTEM STARTING/ CHARGING SYSTEM TO CERTIFICATION ECU (DIAGRAM 2 OF 4) TO INSTRUMENT PANEL J/B (DIAGRAM 2 OF 4) TRANSMISSIONS SYSTEM VIO WIRE VOLTAGE INVERTER ASSEMBLY (UNDER CENTER CONSOLE) WHT WIRE WHT/BLK WIRE YEL WIRE

AC INVERTER RELAY AIR CONDITIONING SYSTEM ALL DR LOCK RELAY BKUP LP FUSE BLK WIRE BLU WIRE COOLING FANS, AIR CONDITIONING SYSTEMS CRUISE CONTROL SYSTEM FB (UNDER FRONT OF CENTER J/C 10 (CENTER OF DASH) CONSOLE) D DR UNLOCK RELAY D/L FUSE DOME CUT RELAY DOME FUSE DSS-IG FUSE ECU-IG FUSE ELECTRONIC EXTERIOR POWER LIGHTS STEERING SYSTEM SYSTEM ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) EPS-IG FUSE FC (RIGHT KICK PANEL) FROM FROM ENGINE ROOM R/B 1 (DIAGRAM 1 OF 4) FROM ENGINE ROOM R/B 1 (DIAGRAM 4 OF 4) FUSE GRN WIRE GRY WIRE HAZ FUSE STRG LOCK IGN INSTRUMENT CLUSTER SYSTEM INTERIOR DOOR LIGHTS LOCKS, SYSTEM ANTI-THEFT SYSTEMS J/C 4 (RIGHT SIDE OF DASH) J/C 9 (LEFT CENTER OF DASH) L/D-DR UNLOCK RELAY LT GRN WIRE MAIN BODY ECU MPX-B 3 FUSE NAVIGATION SYSTEM PNK WIRE R/B 5 (RIGHT SIDE OF DASH) REAR POWER OULET SOCKET ASSEMBLY 2 RED WIRE SEMICONDUCTOR POWER INTEGRATION ECU SHIFT INTERLOCK SYSTEM TO INSTRUMENT PANEL J/B FUSE (DIAGRAM IG 2 OF 4) TO POWER MANAGEMENT CONTROL ECU (DIAGRAM 2 OF 4) TRANSMISSIONS, ANTI-LOCK BRAKES, INSTRUMENT CLUSTER SYSTEMS VIO WIRE VOLTAGE INVERTER ASSEMBLY (UNDER CENTER CONSOLE) WHT WIRE WHT/BLK WIRE YEL WIRE