Lexus GS IV (2011-2015) (left side of dash) Wiring diagrams

ASSEMBLY BLK WIRE BSF CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF GAUGE FUSE LED DRIVER LT GRN WIRE RED WIRE RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SLC+ SLC+ CANH SOLENOID (TRANSFER TRANSMISSION WIRE) (REAR OF TRANSMISSION) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE

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

13 14 CANL CANH 28 29 30 CANH CANL ES CAN IF ALT ALT-S FUSE FUSE BATTERY BLK WIRE BLU WIRE CHG- I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CPU IC ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ENERGIZED LH ECU IG FUSE ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GENERATOR ASSEMBLY GRN WIRE HOT W/ LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) PNK ALT WIRE PNK WIRE STARTER ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F CANL CANH COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SPEAKER DISPLAY ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE J/C LCD DRIVER LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL ASSEMBLY) LT BLU WIRE LT GRN WIRE PARK/NEUTRAL POSITION SWITCH (TRANSMISSION) PNK WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL ASSEMBLY) RIGHT REAR SPEED SENSOR (RIGHT REAR WHEEL ASSEMBLY) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 RZG SRZG RZV TRQV 1 2 3 4 8 5 6 ESS CANL CANH 28 29 CANH CANL 9 10 CSS- CSS+ BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CPU CAN I/F ENGINE ROOM R/B 2 (LEFT SIDE EPS FUSE EPS RELAY EPS-B FUSE EPS-IG FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) MPX-B FUSE INCS INSN LED TELLTALES DRIVER LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) NCA WIRE OF ENGINE COMPT) OUCS OUSN PGND PIG PNK WIRE POWER STEERING ECU (RIGHT REAR CORNER OF ENGINE COMPT) POWER STEERING MOTOR (LEFT FRONT OF ENGINE) RED WIRE RED/BLK WIRE RED/BLU WIRE RELAY ENERGIZED RELAY ENERGIZED LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LH ECU-IG FUSE RLY RZCS RZG RZSN RZSN RZCS INSN INCS OUSN OUCS RZV STEERING SENSOR (ON STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE YEL/BLK WIRE

AIR BAG SENSOR ASSEMBLY BLK WIRE BRN WIRE CLEARANCE WARNING ECU ASSEMBLY CLOCK ASSEMBLY COMBINATION METER ASSEMBLY A/C AMPLIFIER ASSEMBLY COMBINATION SWITCH ASSEMBLY DATA LINK CONNECTOR 3 DRIVER MONITOR ECU ASSEMBLY ELECTRIC PARKING BRAKE SWITCH ASSEMBLY HEADLIGHT DIMMER SWITCH ASSEMBLY INTEGRATION CONTROL, PANEL ASSEMBLY JUNCTION CONNECTOR LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LEFT VISOR ASSEMBLY LUGGAGE DOOR OPENING SWITCH ASSEMBLY MAIN BODY ECU MULTIPLEX TILT, TELESCOPIC ECU OPTION CONNECTOR (GLASS BREAKAGE SENSOR ECU) OPTION CONNECTOR (REMOTE ENGINE STARTER) PARKING LIGHT SWITCH ASSEMBLY POWER OUTLET SOCKET STEERING ASSEMBLY WHEEL HEATER CONTROL ASSEMBLY PRE-COLLISION SYSTEM CANCEL SWITCH (PRE-CRASH SYSTEM CANCEL SWITCH ASSEMBLY) REAR SUNSHADE SWITCH ASSEMBLY REMOTE OPERATION SWITCH RIGHT VISOR ASSEMBLY SATELLITE SWITCH SET SHIFT LOCK CONTROL ECU (TRANSMISSION FLOOR SHIFT ASSEMBLY) SPIRAL CABLE (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEERING SENSOR TILT STEERING GEAR ASSEMBLY W/ MOTOR TIRE PRESSURE WARNING RESET SWITCH (TIRE PRESSURE WARNING SWITCH 1) TRIP SWITCH W/ NAVIGATION W/O NAVIGATION W/ VGRS W/O VGRS WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY

A/C AMPLIFIER (BEHIND CENTER OF DASH) A/F FUSE A/F RELAY A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) BATT IGSW BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM 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 EFII EFIO ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) F/PMP FUSE GRN WIRE GRY WIRE ID CODE BOX (BEHIND CENTER OF DASH) INJ RELAY LT BLU WIRE LT GRN WIRE MREL IREL FPC NEO NSW IMO IMI PNK WIRE PNK WIRE RED WIRE RFC EPA SPCN SR SFTD SFTU CAND CANU CANN CANP CANL CANH STA TC SNWI PWR STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM COMPUTER DATA LINES SYSTEM TACH SPSW PNK WIRE VCPA SPD KSW VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ECO ENGINE ROOM R/B FP- FPC GNDA (-) GNDB GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM P/I-B 2 FUSE J/B 1 (RIGHT REAR OF ENGINE COMPT) INSTRUMENT CLUSTER SYSTEM INTEGRATION RELAY LT BLU WIRE LT GRN WIRE NORMAL P/I-B 1 FUSE PARK/NEUTRAL POSITION SWITCH (TRANSMISSION) PNK WIRE RED WIRE RED/BLU WIRE RIGHT END OF DASH) SFTD SFTU SKSW SNOW SPORT STAR STARTING/ CHARGING SYSTEM TRANSMISSION CONTROL SWITCH (BASE OF SHIFT LEVER ASSEMBLY) VIO WIRE W/O ADAPTIVE VARIABLE SUSPENSION WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CAM TIMING OIL CONTROL VALVE (BANK 1 INTAKE SIDE) (RIGHT SIDE OF ENGINE) CAM TIMING OIL CONTROL VALVE (BANK 2 INTAKE SIDE) (TOP LEFT SIDE OF ENGINE) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM ETCS FUSE R/B (RIGHT REAR OF ENGINE COMPT) HOT W/ LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LT BLU WIRE LT GRN WIRE PADDLE SHIFT SWITCH PNK WIRE RED WIRE SHIFT DOWN SHIFT UP SPIRAL CABLE SUB- (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STOP FUSE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F CHKK COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DASH) DIODE (A/T SHIFT) DRIVER DISPLAY E.F.I ENGINE COOLANT TEMPERATURE SENSOR (TOP RIGHT REAR OF ENGINE) ENGINE OIL LEVEL SENSOR (RIGHT SIDE OF OIL PAN) ENGINE OIL PRESSURE SWITCH (LEFT FRONT OF ENGINE) FUEL PRESSURE SENSOR (REAR OF ENGINE) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LED DRIVER LOIL LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP OILW PNK 12 13 14 WIRE PNK WIRE RED WIRE RELAY RH ECU-IG FUSE RIGHT RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SHIELD SHIELD SHIELD SPEAKER TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE