Toyota Highlander III (2013-2016) ecm (left side of engine compt) Wiring diagrams

42 43 SFTU SFTD 46 37 1 2 3 MREL IGSW BATT +B 51 52 53 54 55 56 VPA EPA VCPA 57 27 13 26 SPD ACCELERATOR PEDAL SENSOR ASSEMBLY (ON ACCELERATOR PEDAL BRACKET) BLK WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) EFI 2 FUSE EFI 3 FUSE EFI FUSE EFI MAIN FUSE EFI MAIN RELAY ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 FB (UNDER FRONT OF CENTER CONSOLE) GRN WIRE GROUND J/C 1 (LEFT FRONT CORNER OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE ORG/ WIRE RED WIRE RELAY ENERGIZED SFTD SFTU SNWI TRANSMISSION CONTROL SWITCH (UNDER CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BM 115 116 117 118 119 120 59 30 60 NTO NTB NCO NCB ETHO 125 127 126 128 VCTA 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SL BLK WIRE BLU WIRE BRN WIRE CH (TOP REAR OF ENGINE) E.F.I. ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) ECM (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE INTAKE MASS AIR FLOW METER (LEFT REAR OF ENGINE COMPT) J/C 2 (LEFT SIDE OF ENGINE COMPT) LT GRN WIRE M- M+ NCB NCO NTB NTO OIL ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (ON TRANSMISSION) PNK 13 14 15 WIRE PNK THA ETHA THW ETHW WIRE PNK WIRE RED WIRE SLT- SLT- SLT+ SLU+ SLU- SLU+ STARTING/ CHARGING SYSTEM THA VIO WIRE WHT WIRE YEL WIRE

1 31 CAN- CAN+ 46 1 2 3 36 51 MREL BATT +B 54 55 56 57 58 59 50 10 VPA EPA VCPA BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) EFI 2 FUSE EFI MAIN FUSE EFI MAIN RELAY ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FB (UNDER FRONT OF CENTER CONSOLE) GRN WIRE GRY WIRE HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE M- M+ NCA WIRE ORG/ WIRE PATTERN SELECT SWITCH ASSEMBLY RED WIRE SFTD SFTD SPD SFTU SFTU SNWI THROTTLE BODY W/ MOTOR ASSEMBLY (REAR OF ENGINE COMPT) TRANSMISSION CONTROL SWITCH (UNDER CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

13 26 CANH CANL BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY BKUP LP FUSE BLK WIRE BLU WIRE BRN WIRE CLEARANCE WARNING BUZZER 1 (LEFT SIDE OF DASH) CLEARANCE WARNING ECU (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DIODE (SHIFT POSITION) (LEFT END OF DASH) ECM (LEFT SIDE OF ENGINE COMPT) ECU-ACC FUSE EF CBZ IG EXCEPT HYBRID FE (RIGHT CENTER OF DASH) FUSE GRN WIRE GRY WIRE HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 2 (LEFT SIDE OF ENGINE COMPT) J/C 4 (RIGHT SIDE OF DASH) J/C 9 (LEFT CENTER OF DASH) LEFT REAR ULTRASONIC SENSOR 1 (AT LEFT REAR LOCATION IN REAR BUMPER) LT BLU WIRE LT GRN WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) PSFT RED WIRE RELAY ENERGIZED RIGHT REAR ULTRASONIC SENSOR 1 (AT RIGHT REAR LOCATION IN REAR BUMPER) WHT WIRE WHT/BLK WIRE YEL WIRE

BKUP LP FUSE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIODE (SHIFT POSITION) (LEFT END OF DASH) ECM (LEFT SIDE OF ENGINE COMPT) FA (LEFT SIDE OF DASH) FB (UNDER FRONT OF CENTER CONSOLE) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) STOP FUSE HOT IN ACC OR ON SFT LOCK INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) KEY INTERLOCK SOLENOID (IN STEERING COLUMN) KLS+ P POSITION DETECTION SWITCH PARK/ NEUTRAL POSITION SWITCH (ON TRANSMISSION) RED WIRE RELAY ENERGIZED SHIFT LOCK ECU (TRANSMISSION FLOOR SHIFT ASSEMBLY) (AT BASE OF SHIFTER LEVER) SHIFT LOCK SOLENOID SHIFT POSITION INDICATOR SLS+ STOP- LIGHT SWITCH (ABOVE BRAKE PEDAL) WHT WIRE

BKUP LP FUSE BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DIODE (SHIFT POSITION) (LEFT END OF DASH) ECM (LEFT SIDE OF ENGINE COMPT) FB (UNDER FRONT OF CENTER CONSOLE) FUSE GRN WIRE HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) STOP FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) P POSITION DETECTION SWITCH PARK/ NEUTRAL POSITION SWITCH (ON TRANSMISSION) RED WIRE RELAY ENERGIZED SHIFT LOCK ECU (TRANSMISSION FLOOR SHIFT ASSEMBLY) (AT BASE OF SHIFTER LEVER) SHIFT LOCK SOLENOID SHIFT POSITION INDICATOR SLS+ STOP- LIGHT SWITCH (ABOVE BRAKE PEDAL) VIO WIRE WHT WIRE

11 10 NSW STA 3.5L 3.5L 2.7L 6 7 CAN+ CAN- AC (LEFT FRONT CORNER OF ENGINE COMPT) ALT FUSE BATTERY BLK WIRE BLU WIRE CA (LEFT REAR OF ENGINE) CC (LEFT SIDE OF ENGINE COMPT) COMPUTER DATA LINES SYSTEM DK GRN WIRE ECM (LEFT SIDE OF ENGINE COMPT) ENGINE COMPT) ENGINE ROOM J/B (LEFT SIDE OF ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FUSE GRY WIRE IGNITION OR STARTER INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C J/C 2 (LEFT SIDE OF ENGINE COMPT) LOCK LT GRN WIRE MAIN FUSIBLE LINK OF ENGINE COMPT) ON OFF PARK/NEUTRAL POSITION SWITCH RED WIRE ST FUSE ST RELAY STA 13 26 13 26 CANH CANL STARTER ASSEMBLY SWITCH ASSEMBLY TRANSMISSION CONTROL ECU ASSEMBLY (3.5L) (LEFT FRONT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

12 18 16 10 AGND 9 13 26 STA CANH CANL AC (LEFT FRONT CORNER OF ENGINE COMPT) AGND BATTERY BLK WIRE BLU WIRE CA (LEFT REAR OF ENGINE) CC (LEFT SIDE OF ENGINE COMPT) CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK GRN WIRE ECM (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ST RELAY ENGINE COMPT) ENGINE SWITCH FE (RIGHT CENTER OF DASH) GRN WIRE GRY WIRE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) FUSE J/B-B FUSE J/C J/C 2 (LEFT SIDE OF ENGINE COMPT) LT GRN WIRE MAIN FUSIBLE LINK PARK/NEUTRAL POSITION SWITCH (TRANSAXLE ASSEMBLY) ST FUSE STAR STARTER ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BM ACIS PRG BLK WIRE BLU WIRE BRN WIRE CD (REAR OF LEFT SIDE OF ENGINE) CE (TOP REAR OF ENGINE) CRANK POSITION SENSOR (LEFT FRONT OF ENGINE) ECM (LEFT SIDE OF ENGINE COMPT) EX+ EXHAUST SIDE) (REAR OF ENGINE) GRN WIRE GRY WIRE HOT AT ALL TIMES ENGINE ROOM J/B INJ (LEFT SIDE FUSE OF ENGINE COMPT) INTAKE SIDE) (RIGHT FRONT OF ENGINE) J/C 2 (LEFT SIDE OF ENGINE COMPT) KNOCK CONTROL SENSOR (BANK 1) (LEFT SIDE OF ENGINE) KNOCK CONTROL SENSOR (BANK 2) (LEFT SIDE OF ENGINE) LT GRN WIRE NCA WIRE NE+ PNK 15 16 WIRE PNK WIRE RED WIRE STARTING/CHARGING SYSTEM VIO WIRE VVL+ VVR+ VVT SENSOR VVT SENSOR (BANK 2 EXHAUST SIDE) (LEFT SIDE OF ENGINE) VVT SENSOR (BANK 2 INTAKE SIDE) (LEFT FRONT OF ENGINE) WHT WIRE YEL WIRE