Toyota Highlander III (2013-2016) main body ecu Wiring diagrams

+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 25 26 27 28 RBUS 114 117 95 96 THW ETHW PNK WIRE 5 13 26 44 13 26 RFC CANH CANL A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLOWER MOTOR CONTROL BLU WIRE BRN WIRE CLTB CANH CANL CLTE CLTS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CAN I/F CONNECTOR HOUSING COLOR (BROWN) CONNECTOR HOUSING COLOR (GRAY) COOLER (ROOM TEMPERATURE SENSOR) THERMISTOR (AUTOMATIC A/C) (LEFT SIDE OF DASH) COOLING FAN COOLING FAN MOTOR MOTOR 2 (BEHIND RADIATOR) COOLING FAN ECU (FRONT OF ENGINE COMPT) DAMPER SERVO MOTOR (AIR MIX) DAMPER SERVO MOTOR (AIR VENT MODE) DEFOGGER SYSTEM E.F.I. ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) FAN 1 FUSE FAN 1 RELAY FC (RIGHT KICK PANEL) FD (LEFT CENTER FE (LEFT KICK PANEL) FUSE GRN WIRE GROUND J/C 2 (LEFT FRONT CORNER OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 10 (CENTER OF DASH) LB (RIGHT REAR QUARTERPANEL) LT BLU WIRE LT GRN WIRE MAIN BODY ECU OF DASH) ORG/ WIRE PNK 1 2 WIRE PNK HAZ WIRE PNK SVDS SVPS TR SW 1 WIRE PNK WIRE PPL RBUG RBUG BLWH RBBU RBUS REAR BLOWER W/ FAN MOTOR REAR RBBU COOLING UNIT (RIGHT SIDE OF CARGO AREA) RED WIRE RLIN RR A/C FUSE SEATS SYSTEM SEATS SYSTEM 19 2 18 SG-6 SGND RGND SVDB SVPB TEC THERMISTOR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 4 CLTB CLTE CLTS SOLAR SENSOR 13 12 2 4 IWP NIWP WP MREL 19 18 17 16 STB ETI ITE CLK 4 3 2 1 +BWP VM SI 8 9 PNK WIRE A/C W/ PMP FUSE A/C W/ PMP RELAY AA (LEFT FRONT OF ENGINE COMPT) AB (LEFT FRONT OF ENGINE COMPT) ACPB ACPE AUTOMATIC LIGHT CONTROL SENSOR (UNDER TOP BLK WIRE BLU WIRE BRN WIRE CLK+ CLTB CLTE CLTS COMPRESSOR W/ MOTOR ASSEMBLY (LEFT FRONT OF ENGINE) COMPUTER DATA LINES SYSTEM COOLING FAN ECU 2 COOLING FAN MOTOR (BEHIND RADIATOR) COOLING FAN MOTOR 2 (BEHIND READIATOR) CORNER OF ENGINE COMPT) DIN DIODE (HEATER WATER PUMP) (BEHIND LEFT END OF DASH) DOUT ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FE (RIGHT CENTER OF DASH) GRN WIRE GROUND J/C 1 (LEFT FRONT GROUND J/C 2 (LEFT FRONT CORNER OF ENGINE COMPT) AC GRY WIRE HEATER WATER PUMP ASSEMBLY (LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES IDH IGCT RELAY INV W/ PMP FUSE INVERTER W/ CONVERTER ASSEMBLY (LEFT SIDE OF ENGINE COMPT) INVERTER WATER PUMP W/ MOTOR ASSEMBLY (LEFT FRONT OF LT GRN WIRE MAIN BODY ECU NCA WIRE ORG/ WIRE PNK PNK 2 3 WIRE PNK PNK 5 6 WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) PPL R/B FUSE 3 RED WIRE STBI VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 BAT BLK WIRE BLU WIRE BRN WIRE CAN JUNCTION CONNECTOR 5 (LEFT KICK PANEL) CAN JUNCTION CONNECTOR 6 (RIGHT KICK PANEL) CANL TC TS CANN CANP DIA GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT OBD PANEL J/B FUSE (BEHIND LEFT END OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) JUNCTION CONNECTOR LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (W/ MEMORY) (IN LEFT DOOR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU MULTIPLEX NETWORK DOOR ECU (W/ POWER BACK DOOR) (RIGHT SIDE OF BACK DOOR) ORG/ WIRE PNK 10 20 11 1 7 17 2 12 4 14 13 3 9 19 15 5 18 8 16 6 WIRE PNK 8 9 WIRE PNK WIRE POSITION CONTROL ECU, SWITCH ASSEMBLY (W/ MEMORY) (LEFT SIDE OF DRIVER SEAT) RED WIRE RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (W/ MEMORY) (RIGHT FRONT DOOR) SIL SIL CANH SG CG TAC VIO WIRE W/ MEMORY, POWER BACK DOOR WHT WIRE WHT/BLK WIRE YEL WIRE

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 BAT BLK WIRE BLU WIRE BRN WIRE CAN JUNCTION CONNECTOR 5 (LEFT KICK PANEL) CAN JUNCTION CONNECTOR 6 (RIGHT KICK PANEL) CANL TC TS CANN CANP DIA GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT OBD PANEL J/B FUSE (BEHIND LEFT END OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) JUNCTION CONNECTOR LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (W/ MEMORY) (IN LEFT DOOR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU MULTIPLEX NETWORK DOOR ECU (W/ POWER BACK DOOR) (RIGHT SIDE OF BACK DOOR) ORG/ WIRE PNK WIRE POSITION CONTROL ECU, SWITCH ASSEMBLY (W/ MEMORY) (LEFT SIDE OF DRIVER SEAT) PRST RED WIRE RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (W/ MEMORY) (RIGHT FRONT DOOR) SIL SIL CANH SG CG VIO WIRE W/ MEMORY, POWER BACK DOOR WHT WIRE WHT/BLK WIRE YEL WIRE

19 20 21 CLTB CLTS CLTE 2 4 1 CLTE CLTS CLTB 6 10 22 8 24 12 26 13 14 FLCY HF TAIL AUTO HIGH BEAM SWITCH (W/ AUTOMATIC HIGH BEAM SYSTEM) BFG LFG EL BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIMMER SWITCH ECU-ACC FUSE ENGINE ROOM R/B 1 ASSEMBLY (LEFT SIDE OF ENGINE COMPT) FB (UNDER FRONT OF CENTER CONSOLE) FE (RIGHT CENTER OF DASH) FOG SWITCH FUSE GRN WIRE GRY WIRE HEAD OFF DRL OFF HEADLIGHT DIMMER SWITCH ASSEMBLY HF LOW HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HU HEAD FFOG CANL CANH HU LOW FLASH HIGH IG HRLY BECU FFGO DRL INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 9 (LEFT CENTER OF DASH) LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU METER FUSE MPX-B 1 FUSE ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE PEDAL) PPL RED WIRE RELAY ENERGIZED TAIL AUTO TAIL AUTO OFF HEAD DRL OFF USA CANADA WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HORN HORN (LOW PITCH) (RIGHT FRONT OF ENGINE COMPT) HORN FUSE HORN RELAY HORN SWITCH HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LT GRN WIRE MAIN BODY ECU SPIRAL CABLE ASSEMBLY (IN STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY

12 4 13 2 11 PKB BCTY LCTY RCTY 15 27 6 13 14 IND FRCY FLCY CANL CANH BACK BLK WIRE BLU WIRE COMPUTER DATA LINES DISP DOWN ENGINE OIL PRESSURE SWITCH (LEFT SIDE OF ENGINE) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) ENTER FE (RIGHT CENTER OF DASH) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 3 (LEFT SIDE OF DASH) LEFT LEFT FRONT DOOR COURTESY LIGHT SWITCH (IN LEFT "B" PILLAR) LEFT STEERING PAD SWITCH LEFT STEERING SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MPX-B 1 FUSE ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE PEDAL) PNK WIRE PPL PPL/YEL WIRE RED WIRE RELAY ENERGIZED RIGHT RIGHT FRONT DOOR COURTESY LIGHT SWITCH (IN RIGHT "B" PILLAR) RIGHT STEERING PAD SWITCH RIGHT STEERING SWITCH STEERING PAD SWITCH ASSEMBLY (W/ NAVIGATION) SPIRAL CABLE W/ SENSOR SUB ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY (W/O NAVIGATION) SYSTEM TOP VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

12 4 13 2 11 PKB BCTY LCTY RCTY BACK BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES DISP DOWN ENGINE OIL PRESSURE SWITCH (LEFT SIDE OF ENGINE) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) ENTER FB (UNDER FRONT OF CENTER CONSOLE) FE (RIGHT CENTER OF DASH) FRCY FLCY CANL CANH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 3 (LEFT SIDE OF DASH) LEFT LEFT FRONT DOOR COURTESY LIGHT SWITCH (IN LEFT "B" PILLAR) LEFT STEERING PAD SWITCH FE (RIGHT CENTER OF DASH) LEFT STEERING SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MPX-B 1 FUSE ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE PEDAL) PNK WIRE PPL PPL/YEL WIRE RED WIRE RELAY ENERGIZED RIGHT RIGHT FRONT DOOR COURTESY LIGHT SWITCH (IN RIGHT "B" PILLAR) RIGHT STEERING PAD SWITCH RIGHT STEERING SWITCH SPIRAL CABLE W/ SENSOR SUB ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY (W/ NAVIGATION) STEERING PAD SWITCH ASSEMBLY (W/O NAVIGATION) SYSTEM TEMPERATURE SWITCH (UNDER CENTER OF VEHICLE) TOP VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 MM BDSL BDR BLIND SPOT MONITOR INDICATOR BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BSL+ CANN CANP COMPUTER DATA LINES SYSTEM DOWN ECU-ACC FUSE FA (LEFT SIDE OF DASH) FE (RIGHT CENTER OF DASH) FUSE GRN WIRE GRY WIRE HEATER HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HSRL INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 12 (BASE OF "D" PILLAR) J/C 4 (RIGHT SIDE OF DASH) J/C 7 (RIGHT CENTER OF DASH) LEFT LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT DOOR) LEFT OUTER REAR VIEW MIRROR ASSEMBLY LEFT SEAT MEMORY SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MB (LEFT "C" PILLAR) MIRB MIRE MIRS MLP MMRY MSW NAVIGATION SYSTEM ORG/ WIRE ORG/BLK WIRE OUTER MIRROR SWITCH ASSEMBLY P/W F/L PNK WIRE PPL PUDDLE LIGHT RED WIRE RED/BLU WIRE RELAY ENERGIZED RIGHT SET- SIG CPUB GND CANN CANP TRNI TURN VIO WIRE VSRL WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 FR+ FL+ ADPG VAR+ VA- VAL+ ANTENNA BLK WIRE BLU WIRE BRN WIRE CANH CANL AGND SG VV+ VV- PKB COMPUTER DATA LINES SYSTEM FD (LEFT CENTER OF DASH) FE (RIGHT CENTER OF DASH) FUSE GPS ANTENNA GRN WIRE GRY WIRE HOT W/ ILL- RL- INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 3 (LEFT SIDE OF DASH) LEFT STEERING SWITCH LT BLU WIRE LT GRN WIRE MACC MIN+ MAIN BODY ECU MB (LEFT "C" PILLAR) NAVIGATION RECEIVER ASSEMBLY NCA WIRE OFF HOOK VOLUME+ ON HOOK SEEK- OPTION CONNECTOR (REAR SEAT ENTERTAINMENT) (BASE OF "B" PILLAR) ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE PEDAL) PNK FR- FL- WIRE PNK WIRE PPL RED WIRE SEEK- MODE SPD SGND MIN- HFVR SPIRAL CABLE W/ SENSOR SUB ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SWG VIO WIRE VOICE VOLUME- WHT WIRE WHT/BLK WIRE YEL WIRE