Lexus GS IV (2011-2015) yel Wiring diagrams

5 4 3 2 1 VCSK SKG SKS ABS MTR 1 RELAY BLK WIRE BLU WIRE BRN WIRE BUZZER COMPUTER DATA LINES SYSTEM CTY ENA ENERGIZED LEFT COWL SIDE J/B LH (LEFT END ECU IG OF DASH) FUSE ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 3 ABS MTR 2 RELAY (LEFT REAR OF ENGINE COMPT) FRR+ FRR- GRN WIRE GRY WIRE HALL IC 1 HALL IC 2 BRAKE PEDAL STROKE SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) HOT W/ LEFT J/C LBL LBL PFR LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT FRONT "B" PILLAR) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL ASSEMBLY) LT GRN WIRE MTT NCA WIRE PNK RL+ RL- WIRE PNK WIRE PRL VBZ PNK WIRE RED WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL ASSEMBLY) RLA- RLA+ FRA- FRA+ FR+ FR- RLR+ RLR- SKG SKID CONTROL BUZZER ASSEMBLY (LEFT END OF DASH) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) VCM VCS OFF SWITCH INTEGRATION CONTROL, PANEL ASSEMBLY VCSK VIO WIRE WHT WIRE WHT/BLK WIRE 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

BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR CORNER OF ENGINE COMPT) BRN WIRE COMPUTER DATA LINES SYSTEM FLA- FLR FRA FRR+ GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES HOT W/ HOT W/ LEFT HOT W/ RH LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LH-IG FUSE LT GRN WIRE MTT PFL PFR PNK WIRE PRL PRR- RED WIRE RH SIDE J/B ECU IG (RIGHT END FUSE OF DASH) RIGHT COWL RLA- RLR+ RRA+ RRR + SSI+ STOP FUSE VCM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BC BLK WIRE BLU WIRE BRAKE CONTROL POWER SUPPLY (CENTER FRONT OF HV SUPPLY BATTERY ASSEMBLY) BRN WIRE CAPACITOR (HV) FUSE COMPUTER DATA LINES SYSTEM CSS+ ENA ENERGIZED RH COWL ECU IG SIDE J/B FUSE (RIGHT END OF DASH) FAIL FLA- FLA+ FL+ FL- FLR+ FLR- FUSE GRN WIRE GRY WIRE HOLD SWITCH HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) MPX HOT W/ RH HZRI J/C LEFT "C" PILLAR) LEFT COWL SIDE J/B LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LH (LEFT END OF DASH) FUSE LT BLU WIRE LT GRN WIRE NCA WIRE NIGHT VIEW NIGHT VIEW ECU (RIGHT SIDE OF LUGGAGE COMPT) NVSW PFL PNK WIRE PRR- RED WIRE RELAY ENERGIZED RIGHT RIGHT REAR SPEED SENSOR (RIGHT REAR WHEEL ASSEMBLY) RR+ RR- CANH CANL RRA- RRA+ RRR+ RRR- SATELLITE SET SWITCH SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

+B MREL BATT 10 23 STP CCS 12 25 3 2 46 1 CANP CANN 125 128 126 127 108 30 29 ETA 25 24 22 PNK WIRE 4 1 3 6 MREL ACCELERATOR PEDAL SENSOR ASSEMBLY (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CONTROL MAIN SWITCH ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) EFI MAIN FUSE EFI MAIN RELAY 1 EFI MAIN RELAY 2 ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RH ECU-IG FUSE ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) F/PMP FUSE FUEL PUMP CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES IGCT 1 FUSE IGCT 5 FUSE IGCT RELAY J/C LT BLU WIRE LT GRN WIRE M- M+ NCA WIRE ON OFF PNK PNK WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE SFTD SFTU SHIFT LEVER POSITION SENSOR (TRANSMISSION) SPIRAL CABLE (IN STEERING COLUMN) 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

+B PGND 1 2 3 4 5 6 7 8 9 10 11 12 13 RZG SRZG RZV TRQV 1 2 3 4 5 6 7 8 ESS CANL CANH 10 11 12 13 14 15 16 17 18 PIG 9 10 CSS- CSS+ BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B EPS-B FUSE (LEFT SIDE OF ENGINE COMPT) EPS-IG FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES INCS INSN LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LT GRN WIRE LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) MPX-B FUSE NCA WIRE OUCS OUSN PNK ASST IG WIRE PNK BAT WIRE PNK WIRE POWER STEERING ECU (RIGHT REAR CORNER OF ENGINE COMPT) POWER STEERING MOTOR (FRONT OF ENGINE COMPT) RED WIRE RED/BLK WIRE RED/BLU WIRE RELAY ENERGIZED RZCS RZG RZSN RZSN RZCS INSN INCS OUSN OUCS RZV STEERING SENSOR (ON STEERING COLUMN) WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CANISTER PRESSURE SENSOR CANISTER PUMP MODULE (UNDER CENTER REAR OF VEHICLE) CANN CANL COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ECO ETCS FUSE EV MODE FP- FPC FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) INSTRUMENT CLUSTER SYSTEM LEAK DETECTION PUMP LEFT COWL SIDE J/B (LEFT END OF DASH) LT GRN WIRE MGND MTRB NORMAL P/I-B 2 FUSE PNK PNK WIRE PNK SPSW VC WIRE PNK WIRE PPMP RED WIRE RED/BLU WIRE RELAY ENERGIZED RFC MPMP VPMP RTNV SGND SNOW SNWI CANP CANH EC SPCN SPORT TC MREL VCC VENT VALVE VGND VIO WIRE VLVB VOUT WHT WIRE WHT/BLK WIRE YEL WIRE

+BM A/C AMPLIFIER (CENTER OF DASH) A/F FUSE A/F RELAY BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM E.F.I VACUUM SENSOR (LEFT REAR OF ENGINE) ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ECOS EDU FUSE EFI 2 FUSE EFI MAIN 2 RELAY EFI MAIN FUSE EFI- MAIN 1 RELAY ENGINE ROOM J/B 1 (LEFT EPIM EPR F/PMP FUSE FPD + FPF FUEL PRESSURE SENSOR (REAR OF ENGINE) GRN WIRE GRN/BLK WIRE GRY WIRE INJ RELAY LT GRN WIRE NE+ PIM PNK PNK WIRE PNK WIRE RED WIRE SIDE OF ENGINE COMPT) THA VCPM VCPR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CRANK POSITION SENSOR (LOWER LEFT FRONT OF ENGINE) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) EX+ FUEL INJECTORS 1, 3, 5 (PORT INJECTION) (TOP RIGHT SIDE OF ENGINE) FUEL INJECTORS 2, 4, 6 (PORT INJECTION) (TOP LEFT SIDE OF ENGINE) GRN WIRE GRN/BLK WIRE GRY WIRE IGN FUSE INJ FUSE LT GRN WIRE PNK WIRE RED WIRE RELAY ENERGIZED SFC+ SHIELD VIO WIRE VVT SENSOR (BANK 2 EXHAUST SIDE) (LEFT REAR SIDE OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE