Lexus GS IV facelift (2015-2020) (left rear corner of engine compt) Wiring diagrams

ABS 1 FUSE ABS 2 FUSE BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY BRAKE PEDAL LOAD SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY FSW+ GAUGE FUSE GRN WIRE GRY WIRE HOLD HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY LEFT COWL SIDE J/B LEFT FRONT SPEED SENSOR LEFT REAR SPEED SENSOR LF+ LH ECU-IG FUSE LR (-) LT BLU WIRE LT GRN WIRE MPX-B FUSE PNK BZ WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RF+ RH ECU-IG FUSE RIGHT COWL SIDE J/B RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR SATELLITE SWITCH SET SKID CONTROL BUZZER ASSEMBLY VSC OFF SWITCH W/O VGRS WHT WIRE WHT/BLK WIRE YEL WIRE

+BO ALT BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRN WIRE CAN I/F CCS- COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM J/B 2 ASSEMBLY FRONT STEERING CONTROL ECU GNDB GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION RELAY LED DRIVER LEFT COWL SIDE J/B LT GRN WIRE P/I ALT FUSE PNK +B WIRE PNK W/ VGRS WIRE PNK WIRE RED WIRE SPEAKER STEERING SENSOR STOP STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) TELLTALES VIO WIRE W/O VGRS W/O VGRS W/ VGRS WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YAW RATE SENSOR YEL WIRE

+BM ACC FUSE ACCD ACCELERATOR PEDAL SENSOR ASSEMBLY BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU COMPUTER DATA LINES SYSTEM DIODE (A/T SHIFT) EFI MAIN FUSE EFI MAIN RELAY ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 2 ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LEFT COWL SIDE J/B LT BLU WIRE PNK WIRE RED WIRE RELAY 2 ENERGIZED RELAY ENERGIZED RH ACC RELAY RH ECU-IG 2 FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) THROTTLE BODY W/ MOTOR ASSEMBLY (TOP FRONT OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH WIRE DISTANCE CONTROL DRIVING SUPPORT ECU ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY ETCS FUSE GAUGE FUSE GNDA (-) GRN WIRE HOT AT ALL TIMES HOT W/ IGB INTEGRATION RELAY LEFT COWL SIDE J/B LH-IG FUSE LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B ASSEMBLY MILLIMETER WAVE RADAR SENSOR ASSEMBLY PNK BZ WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RIGHT STEERING PAD SWITCH SGND SKID CONTROL BUZZER SPIRAL CABLE SUB-ASSEMBLY SPSW STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STP+ WHT WIRE WHT/BLK WIRE YEL WIRE

+BM ACCELERATOR PEDAL SENSOR ASSEMBLY BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EFI MAIN FUSE EFI MAIN RELAY ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 2 ASSEMBLY GNDA (-) GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION RELAY LT BLU WIRE LT GRN WIRE PNK WIRE RED WIRE THROTTLE BODY W/ MOTOR ASSEMBLY (TOP FRONT OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ACC FUSE ACCD BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH WIRE DIODE (A/T SHIFT) ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY ETCS FUSE GAUGE FUSE GRY WIRE HOT AT ALL TIMES HOT W/ LEFT COWL SIDE J/B LH-IG FUSE LT BLU WIRE LT GRN WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY 2 ENERGIZED RELAY ENERGIZED RH ACC RELAY RH ECU-IG 2 FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) WHT WIRE WHT/BLK WIRE YEL WIRE

ACAN AUTO WIPER SWITCH BLK WIRE BLU WIRE COMB SW FUSE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DOWN ENGINE ROOM R/B 2 ASSEMBLY GAUGE FUSE GRN WIRE GRY WIRE HOT W/ INT RELAY LED DRIVER LEFT COWL SIDE J/B LEFT COWL SIDE J/B (LEFT KICK PANEL) LEVEL WARNING SWITCH ASSEMBLY LH-IG FUSE LT BLU WIRE LT GRN WIRE MAIN BODY ECU MAP LIGHT ASSEMBLY MPX NORMAL OFF ORG/ WIRE PNK WIRE RAIN SENSOR (W/ AUTO WIPER SYSTEM) REAR OF ENGINE COMPT) RED WIRE RELAY 1 ENERGIZED RELAY 2 ENERGIZED RIGHT COWL SIDE J/B SIG TAIL TELLTALES I/F TRNL TRNR VOLUME SWITCH INT SWITCH WASH FUSE WASHER SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY WINDSHIELD WIPER MOTOR ASSEMBLY WINDSHIELD WIPER SWITCH ASSEMBLY WIP RELAY WIPER FUSE WIPER SWITCH WIPER-IG FUSE YEL WIRE

3 4 ILL+ ALT ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE DECL DECR DEF DEFOGGER SYSTEM DRL DRLL DRLR ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY FFG FFGL FFGR GNDA (-) GNDB GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HLHL HLHR HLHS HOT AT ALL TIMES ILL (-) B+ IND 14 15 INTEGRATION CONTROL, PANEL ASSEMBLY INTEGRATION RELAY LEFT COWL SIDE J/B LH ECU-IG FUSE LH-IG FUSE LT GRN WIRE MAIN BODY ECU NAVIGATION SYSTEM P/I DC/DC FUSE P/I-B 1 FUSE PANL PNK WIRE PNL PNLS POWER WINDOWS SYSTEM RDEF RED WIRE RELAY 1 ENERGIZED RSSH SEATS SYSTEM SHAD STOP TAIL TLP VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ALT BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DIODE (A/T SHIFT) ECM (ENGINE CONTROL MODULE) ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY FRONT CONTROL SWITCH GNDA (-) GNDB GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION RELAY KA (LEFT KICK PANEL) LEFT COWL SIDE J/B LH J/B-B FUSE LH-IG FUSE MAIN BODY ECU MPX-B FUSE P/I ALT FUSE PARK/ NEUTRAL POSITION SWITCH ASSEMBLY PNK WIRE REAR CONTROL SWITCH REAR SUNSHADE RELAY (REAR WINDOW SHADE ASSEMBLY) REAR SUNSHADE SWITCH REAR SUNSHADE SWITCH ASSEMBLY RED WIRE RELAY 1 ENERGIZED RELAY 2 ENERGIZED REV RIGHT COWL SIDE J/B RSSH RSW SHAD WHT WIRE WHT/BLK WIRE YEL WIRE

A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM DIODE (A/T SHIFT) GRN WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LH-IG FUSE LT GRN WIRE P POSITION DETECTION SWITCH PARK/NEUTRAL POSITION SWITCH ASSEMBLY PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY 2 ENERGIZED RH ECU-IG 2 FUSE RIGHT COWL SIDE J/B SHIFT LOCK CONTROL ECU (TRANSMISSION FLOOR SHIFT ASSEMBLY) SHIFT LOCK SOLENOID SLS+ STOP FUSE STOP LIGHT SWITCH ASSEMBLY WHT WIRE WHT/BLK WIRE