Lexus GS IV (2011-2015) stop light switch (brake pedal bracket) Wiring diagrams

16 14 CANL CANH 4 3 2 1 IG CANH CANL GND ALT ASSEMBLY BLK WIRE BLK/ WHT WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR BRN WIRE CAN I/F CANL CANH ESS COMPUTER DATA LINES SYSTEM COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE COMPT) ENGINE ROOM ENGINE ROOM J/B 2 (LEFT SIDE OF FRONT STEERING CONTROL ECU (UNDER GLOVE COMPT) GNDB GRY WIRE HOT AT ALL TIMES INTEGRATION RELAY J/B 1 (RIGHT REAR OF ENGINE COMPT) LED DRIVER LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LT GRN WIRE P/I ALT FUSE PNK +BO WIRE PNK BAT WIRE PNK W/ VGRS WIRE PNK WIRE RED WIRE SPEAKER STOP STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) SUB-ASSEMBLY) (BRAKE FLUID RESERVOIR) TELLTALES VIO WIRE W/O VGRS W/O VGRS W/ VGRS STEERING SENSOR (ON STEERING COLUMN) WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER FLOOR CONSOLE) YEL WIRE

ABS 1 FUSE ABS 2 FUSE ABS MAIN 2 FUSE ABS MAIN 3 FUSE ABS- MAIN 1 FUSE ALT BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GAUGE FUSE GNDA (-) GNDB GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION RELAY LED DRIVER LT GRN WIRE P/I B P/I DC/DC FUSE PNK WIRE RED WIRE RELAY ENERGIZED SPEAKER STOP STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER FLOOR CONSOLE) YEL WIRE

+S SI 14 25 11 CANL CANH BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR CORNER OF ENGINE COMPT) CAN I/F SPEAKER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ES IG+ FUSE GAUGE FUSE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LED DRIVER LT BLU WIRE LT GRN WIRE MULTI- FUNCTION INDICATOR LAMP RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

12 25 2 46 1 CANP CANN +B MREL BATT 24 25 PNK WIRE 4 1 MREL ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH CRUISE CONTROL SWITCH ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES J/C LEFT COWL SIDE J/B LT GRN WIRE M+ M- VCTA MODE NCA WIRE ON-OFF +RES -SET PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE RIGHT COWL SIDE PANEL J/B (RIGHT END OF DASH) RIGHT STEERING PAD SWITCH DISTANCE CONTROL SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) THROTTLE BODY W/ MOTOR ASSEMBLY (TOP REAR OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

15 16 11 10 FL- FL+ RR+ RR- 8 9 CANL CANH ABS- MAIN 1 FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CONTROL SWITCH ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) FUSE GND RL+ RL- FR+ FR- PNK WIRE GRN WIRE GRY WIRE HOT AT ALL TIMES J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL ASSEMBLY) NCA WIRE NETWORK GATEWAY ECU (RIGHT CENTER OF DASH) PNK WIRE RED WIRE RELAY ENERGIZED RELAY ENERGIZED ENGINE GAUGE ROOM R/B 1 FUSE (LEFT SIDE OF ENGINE COMPT) SFTD 1 2 SFTU SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SPEED SENSOR STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CRUISE CONTROL SWITCH CRUISE CONTROL MAIN SWITCH ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FUSE GRY WIRE HOT AT ALL TIMES J/C LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LT BLU WIRE MPX-B FUSE ON OFF PNK WIRE RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SPIRAL CABLE (STEERING COLUMN) STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE

25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 GND BLK WIRE BLU WIRE BRN WIRE CCS HITP COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DRIVING SUPPORT ECU (LEFT END OF DASH) FUSE GRN WIRE GRY WIRE HITP HOT AT ALL TIMES IGB LANE RECOGNITION CAMERA SENSOR ASSEMBLY LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LT GRN WIRE PBSW SPSW PRE-COLLISION SYSTEM CANCEL SWITCH (PRE-CRASH SYSTEM CANCEL SWITCH ASSEMBLY) RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) STP+ VIO WIRE WASH CCHG WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIPER/WASHER SYSTEM WNKR WNKL YEL WIRE

3 4 CANH CANL A/C AMPLIFIER ASSEMBLY (CENTER OF DASH) AGND ANTENNA COIL BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CANH CANL SPCN SNWI SPSW CERTIFICATION ECU (RIGHT END OF DASH) CODE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (LEFT END OF DASH) ECO ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) EV MODE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES RIGHT COWL SIDE J/B (RIGHT END OF DASH) FUSE J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE NORMAL PNK ECOS WIRE PNK WIRE POWER SWITCH RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) SNOW SPORT STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) SWIL TXCT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE