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

BATT FAN FUSE BATT FAN RELAY BATTERY VOLTAGE SENSOR (LEFT CENTER OF HV SUPPLY BATTERY ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE CENTER BATTERY COOLING BLOWER ASSEMBLY (UNDER CENTER OF REAR SEAT) COMPT) COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 3 (LEFT SIDE OF ENGINE ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FCTL GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGCT RELAY ENERGIZED IGCT IGCT 3 FUSE LEFT BATTERY COOLING BLOWER ASSEMBLY (UNDER LEFT SIDE OF REAR SEAT) LT BLU WIRE LT GRN WIRE MA (IN LEFT "B" PILLAR) MB (LEFT "C" PILLAR) ORG/ WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) RED WIRE RIGHT BATTERY COOLING BLOWER ASSEMBLY (UNDER RIGHT SIDE OF REAR SEAT) VIO WIRE WHT WIRE WHT/BLK WIRE

114 117 95 96 THW ETHW PNK WIRE 13 26 5 13 26 44 CANH CANL RFC 2 3 1 SI 2.7L 3.5L ECM (LEFT SIDE OF ENGINE COMPT) AB (LEFT FRONT OF ENGINE COMPT) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM COOLING FAN COOLING FAN MOTOR 2 MOTOR (BEHIND RADIATOR) COOLING FAN ECU (FRONT OF ENGINE COMPT) E.F.I. ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FAN 1 FUSE FAN 1 RELAY FUSE GROUND J/C 2 (LEFT FRONT CORNER OF ENGINE COMPT) HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) PNK WIRE RED WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

15 7 4 5 18 29 2 11 14 13 6 27 IND GBS RDA PRG BDSU 21 27 2 28 GHRY GCTY LSWR GOSW 28 15 HORN HRLY ACT- TRLY ACTD ACT+ TR+ DOMR EXTERIOR LIGHTS SYSTEM ALL DR LOCK RELAY BACK DOOR FUSE BACK DOOR RELAY BLK WIRE BLU WIRE BZR LSWL LCTY RCTY COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY D/L FUSE DOOR CONTROL SWITCH ASSEMBLY ECU-ACC FUSE ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) (NEAR HOOD LATCH) FA (LEFT SIDE OF DASH) FC (RIGHT KICK PANEL) FLCY FRCY GLASS HATCH OPENER SWITCH ASSEMBLY (IF EQUIPPED) GRN WIRE GRY WIRE HCTY CANH CANL HORNS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM J/C GROUND 2 (LEFT FRONT CORNER OF AC ENGINE COMPT) L/D-DR UNLOCK RELAY LEFT FRONT DOOR COURTESY LIGHT SWITCH (IN LEFT "B" PILLAR) LOCK LSFR LSFL LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) ORG/ WIRE PPL PPL/BLU WIRE PPL/LT BLU WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE PPL/YEL WIRE RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (IN RIGHT "B" PILLAR) SH BCTY IG BECU UNLOCK VIO WIRE W/ GLASS HATCH OPENER WHT WIRE WHT/BLK WIRE XA (LEFT SIDE OF BACK DOOR) YEL WIRE

1 2 PNK WIRE 8 6 2 GBSI CAN+ CAN- PNK WIRE BACK WINDOW LOCK ASSEMBLY (W/ GLASS HATCH OPENER) BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COURTESY DOOR CONTROL RECEIVER SUB ASSEMBLY (IN LEFT "D" PILLAR) DRIVER DISPLAY DRIVER LED FB (UNDER FRONT OF CENTER CONSOLE) FD (LEFT CENTER OF DASH) GRN WIRE GRY WIRE J/C 4 (RIGHT SIDE OF DASH) J/C 9 (LEFT CENTER OF DASH) LT BLU WIRE LT GRN WIRE MC (LEFT REAR QUARTERPANEL) ORG/ WIRE PNK WIRE RED WIRE SPEAKER TELLTALES UN-LOCK WARNING SWITCH ASSEMBLY (IN STEERING COLUMN) W/ TIRE PRESSURE WARNING SYSTEM W/O TIRE PRESSURE WARNING SYSTEM WHT WIRE WHT/BLK WIRE XA (LEFT SIDE OF BACK DOOR)

1 29 4 32 31 17 19 21 5 13 2 20 22 ILE SH BCTY IG BECU 14 13 29 2 11 7 6 27 CANH CANL 21 27 2 28 GHRY GCTY LSWR GOSW 28 15 16 11 HORN HRLY 5 3 8 6 2 RSLP DSWH GBSI CAN+ CAN- ACT- TRLY ACTD ACT+ DOMR EXTERIOR LIGHTS SYSTEM ALL DR LOCK RELAY BACK DOOR FUSE BLK WIRE BLU WIRE BZR LSWL LCTY RCTY COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY D/L FUSE DOOR CONTROL SWITCH ASSEMBLY ECU-ACC FUSE ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) (NEAR HOOD LATCH) FA (LEFT SIDE OF DASH) FC (RIGHT KICK PANEL) FE (RIGHT CENTER OF DASH) GLASS HATCH OPENER SWITCH ASSEMBLY GRN WIRE GROUND J/C 2 (LEFT FRONT CORNER OF AC ENGINE COMPT) GRY WIRE HCTY GBS FLCY FRCY HORNS SYSTEM HORNS SYSTEM COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 4 (RIGHT SIDE OF DASH) L/D-DR UNLOCK RELAY LEFT FRONT DOOR COURTESY LIGHT SWITCH (IN LEFT "B" PILLAR) LOCK LSFR LSFL LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) ORG/ WIRE PNK PPL WIRE PNK WIRE PPL PPL/BLU WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE PPL/YEL WIRE RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (IN RIGHT "B" PILLAR) SHIFT INTERLOCK SYSTEM UNLOCK VIO WIRE W/O SECURITY HORN WHT WIRE WHT/BLK WIRE XA (LEFT SIDE OF BACK DOOR) YEL WIRE

13 14 19 CANP CANN FUL BACK DOOR LOCK ASSEMBLY (BOTTOM CENTER OF BACK DOOR) BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY CTY DETEC- FA (LEFT SIDE OF DASH) FC (RIGHT KICK PANEL) GLASS HATCH RELAY 1 GRN WIRE GRY WIRE J/C 8 (RIGHT END OF DASH) LEFT FRONT DOOR LOCK W/ MOTOR ASSEMBLY LEFT REAR DOOR COURTESY LIGHT SWITCH (IN LEFT "C" PILLAR) LEFT REAR DOOR LOCK W/ MOTOR ASSEMBLY LOCK LOCK KEY LSSR LT BLU WIRE LT GRN WIRE MA (IN LEFT "B" PILLAR) MB (LEFT "C" PILLAR) MULTIPLEX NETWORK DOOR ECU (RIGHT SIDE OF BACK DOOR) ORG/ WIRE PNK WIRE PPL/BLU WIRE PPL/PNK WIRE PPL/RED WIRE PPL/YEL WIRE RED WHT/BLK WIRE RED WIRE RELAY BOX 6 (TOP OF LEFT "D" PILLAR) RIGHT FRONT DOOR LOCK W/ MOTOR ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH (IN RIGHT "C" PILLAR) TION UN- KEY UNLOCK VIO WIRE W/ REAR POWER WINDOW JAM PROTECTION W/O REAR POWER WINDOW JAM PROTECTION WHT WIRE WHT/BLK WIRE XA (LEFT SIDE OF BACK DOOR) YEL WIRE

BACK WINDOW LOCK ASSEMBLY BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COURTESY DETEC- DRIVER LED ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FD (LEFT CENTER OF DASH) GRN WIRE GROUND J/C 2 (LEFT FRONT CORNER OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES J/C 4 (RIGHT SIDE OF DASH) LA (RIGHT "B" PILLAR) LSSR LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RIGHT REAR DOOR LOCK W/ MOTOR ASSEMBLY S-HORN FUSE SECURITY HORN ASSEMBLY (LEFT REAR OF ENGINE COMPT) SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) SPEAKER DRIVER DISPLAY I/F TELLTALES TION UNLOCK W/ REAR POWER WINDOW JAM PROTECTION W/O REAR POWER WINDOW JAM PROTECTION WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) XA (LEFT SIDE OF BACK DOOR)

14 15 11 PNK WIRE BLK WIRE BLU WIRE CLOCK ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FB (UNDER FRONT OF CENTER CONSOLE) FE (RIGHT CENTER OF DASH) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IMO IMI 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 7 (RIGHT CENTER OF DASH) J/C 9 (LEFT CENTER OF DASH) METER FUSE MPX-B 1 FUSE MPX-B 3 FUSE ORG/ WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) PSFT RED WIRE RELAY ENERGIZED RELAY ENERGIZED ENGINE ROOM J/B 1 (LEFT SIDE FUSE OF ENGINE COMPT) SECURITY IND SHIFT LEVER POSITION SENSOR (ON TOP OF TRANSMISSION) SPDI VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RCO CSEL RDAM AGND AGND TXCT CODE ANTENNA BACK DOOR OPENER SWITCH ASSEMBLY BLK WIRE BLU WIRE CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) CLGB CODE COIL COMPUTER DATA LINES SYSTEM CSEL CUTB +B DATA FE (RIGHT CENTER OF DASH) GRN WIRE GRY WIRE INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY 1 (IN CENTER CONSOLE) LOCK LT BLU WIRE LT GRN WIRE MC (LEFT REAR QUARTERPANEL) ORG/ WIRE PNK SWIL EFII EFIO IND LIN WIRE PNK WIRE POWER SWITCH RED WIRE SWIL TXCT VIO WIRE WHT WIRE WHT/BLK WIRE XA (LEFT SIDE OF BACK DOOR) YEL WIRE

3.5L 2.7L BLK WIRE BLU WIRE BRN WIRE CLOCK ASSEMBLY COMPUTER DATA LINES SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) EFIO FB (UNDER FRONT OF CENTER CONSOLE) FE (RIGHT CENTER OF DASH) FUSE END OF DASH) GRY WIRE HOT AT ALL TIMES HOT W/ IMI IMO IND INSTRUMENT PANEL J/B (BEHIND LEFT INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 4 (RIGHT SIDE OF DASH) J/C 9 (LEFT CENTER OF DASH) LP SECURITY INDICATOR LT BLU WIRE MPX-B 3 FUSE ORG/ WIRE PNK EFII WIRE PNK WIRE PPL/GRN WIRE PPL/WHT WIRE RED WIRE SWITCH (IN STEERING COLUMN) TRANSPONDER KEY COIL TRANSPONDER KEY ECU (BEHIND CENTER OF DASH) UN-LOCK WARNING WHT WIRE WHT/BLK WIRE