Toyota Highlander III (2013-2016) left front door courtesy light switch (in left "b" pillar) Wiring diagrams

ABS ABS MTR 2 MTR 1 FUSE FUSE ABS MAIN 2 FUSE ABS MTR 1 RELAY ABS MTR 2 RELAY BLK WIRE BLU WIRE BRAKE STROKE SIMULATOR BRN WIRE CTY CYLINDER (LEFT REAR OF ENGINE COMPT) DOOR LOCKS SYSTEM ENGINE ROOM R/B 1 ENGINE ROOM R/B 3 (LEFT SIDE OF ENGINE COMPT) FLA- FLA+ FLR+ FLR- FR+ FR- GRN WIRE GROUND J/C 5 (RIGHT FRONT OF ENGINE COMPT) AG HOT AT ALL TIMES LEFT FRONT DOOR COURTESY LIGHT SWITCH (IN LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE MTT NCA WIRE ORG/ WIRE PFR FRA- FRA+ PNK 15 16 WIRE PNK RLA+ RLA- WIRE PNK RR- RR+ PFL PRR WIRE PNK WIRE RED WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL HUB) RLR- RLR+ PRL RRA- RRA+ SHORT CONNECTOR (RIGHT FRONT OF ENGINE) SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) SS FRR+ FRR- STPO RSS VCM VIO RED/ WIRE VIO 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 28 15 ILE HORN HRLY 14 13 29 2 11 6 27 CANH CANL ACT- TRLY ACTD ACT+ TR+ DOMR EXTERIOR LIGHTS SYSTEM ALL DR LOCK RELAY BLK WIRE BLU WIRE BZR LSWL LCTY RCTY COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY D/L FUSE DOOR BACK FUSE DOOR BACK RELAY 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) GRN WIRE GRY WIRE HCTY FLCY HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTERIOR LIGHTS SYSTEM HORNS SYSTEM HORNS 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 LSWR 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 WHT WIRE WHT/BLK WIRE YEL WIRE

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

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

+ECU 1 2 3 4 5 6 7 8 9 10 11 12 IG TILT PNK WIRE BLK WIRE BLU WIRE BRN WIRE CAN I/F CLS CLS CLS OPN OPN COMBINATION METER ASSEMBLY COMPUTER DATA FE LINES (RIGHT SYSTEM CENTER OF DASH) COMPUTER DATA LINES DISPLAY ECU-IG FUSE ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) ENGINE ROOM R/B 1 FA (LEFT SIDE OF DASH) FA (LEFT SIDE OF DASH) PANORAMIC MOON ROOF CONTROL SWITCH FB (UNDER FRONT OF CENTER CONSOLE) FD (LEFT CENTER OF DASH) FUSE GLASS ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) (CENTER REAR OF ROOF) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED J/C 13 (CENTER REAR OF ROOF) J/C 3 (LEFT SIDE OF DASH) J/C 7 (RIGHT CENTER OF DASH) LEFT FRONT DOOR COURTESY LIGHT SWITCH (IN LEFT "B" PILLAR) LT BLU WIRE MAIN BODY ECU MAP LIGHT ASSEMBLY METER FUSE MPX-B 1 FUSE OPN ORG/ WIRE PNK WIRE PPL PPL/GRN WIRE RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (IN RIGHT "B" PILLAR) S/ROOF FUSE SYSTEM TILT VENT VIO 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 28 15 ILE HORN HRLY 14 13 29 2 11 6 27 CANH CANL ACT- TRLY ACTD ACT+ TR+ DOMR EXTERIOR LIGHTS SYSTEM ALL DR LOCK RELAY BLK WIRE BLU WIRE BZR LSWL LCTY RCTY COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY D/L FUSE DOOR BACK FUSE DOOR BACK RELAY 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) GRN WIRE GRY WIRE HCTY FLCY HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTERIOR LIGHTS SYSTEM HORNS SYSTEM HORNS 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 LSWR 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 WHT WIRE WHT/BLK WIRE YEL WIRE

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