Toyota Highlander III (2013-2016) computer data lines system Wiring diagrams

1 2 SLC- SLC+ 16 17 CANL CANH BLK WIRE BLU WIRE BRN WIRE BSF CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIFFERENTIAL LOCK SWITCH ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY (UNDER CENTER OF REAR OF VEHICLE) FA (LEFT SIDE OF DASH) FB (UNDER FRONT OF CENTER CONSOLE) FUSE GND CANL CANH GRN WIRE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LT BLU WIRE ORG/ WIRE RED WIRE RELAY ENERGIZED SLC+ WHT WIRE

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

13 26 13 26 CANH CANL 17 16 CANH CAN I/F CANL 3.5L 2.7L ECM (LEFT SIDE OF ENGINE COMPT) ALT ALT FUSE BATTERY BLK WIRE BLU WIRE CA (LEFT REAR OF ENGINE) CC (LEFT SIDE OF ENGINE COMPT) CHG 1 I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DK GRN WIRE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ALT-S ENGINE COMPT) FUSE GENERATOR IG ASSEMBLY GRN WIRE HOT IN ON OR START IG 1 (BEHIND LEFT FUSE END OF DASH) INSTRUMENT PANEL J/B LT BLU WIRE MAIN FUSIBLE LINK STARTING CIRCUIT VIO WIRE WHT 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

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) STOP FUSE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INDP J/C 4 (RIGHT SIDE OF DASH) P POSITION DETECTION SWITCH PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) PSFT RELAY ENERGIZED SHIFT FA POSITION (LEFT SIDE INDICATOR OF DASH) SHIFT LEVER POSITION SENSOR (ON TOP OF TRANSMISSION) SHIFT LOCK SOLENOID SLS+ SLS- STOP LIGHT SWITCH ASSEMBLY (ABOVE BRAKE PEDAL) VIO WIRE WHT WIRE WHT/BLK 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

-SR -SL +SR +SL ABFS AIR BAG SENSOR ASSEMBLY (UNDER FRONT OF CENTER CONSOLE) BBL- BBL+ BCL+ BDL- BLK WIRE BUCKLE SWITCH CANL PAON GSW 3 CLOCK ASSEMBLY PASSENGER AIR BAG ON/OFF IND COMPUTER DATA LINES SYSTEM DK DK DK+ FIRST STEP GRN WIRE INSTRUMENT PANEL J/B LEFT DOOR SIDE AIR BAG SENSOR (DRIVER'S DOOR) LEFT FRONT SEAT AIR BAG ASSEMBLY (IN OUTBOARD SIDE OF DRIVER SEAT BACK) LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) LEFT REAR AIR BAG SENSOR (IN LEFT REAR QUARTERPANEL) LSP+ LBE+ P- P+ D+ D- P-AB P-AB GSW PAON RED WIRE SEAT POSITION AIR BAG SENSOR SECOND STEP SFL- SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY (IN STEERING WHEEL) SR- WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

2 3 4 5 6 7 8 9 10 DIA GND FSR- BGND BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU (RIGHT SIDE OF DASH) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FA (LEFT SIDE OF DASH) FSR+ BSW GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT OCCUPANT CLASSIFICATION SENSOR LEFT REAR OCCUPANT CLASSIFICATION SENSOR LT BLU WIRE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ODS FUSE PBSW PNK WIRE PRE-COLLISION SYSTEM CANCEL SWITCH ASSEMBLY RED WIRE VIO WIRE WHT WIRE WHT/BLK WIRE