Lexus GS IV facelift (2015-2020) (base of left kick panel) Wiring diagrams

ABS MOTOR 1 RELAY ABS MOTOR 2 RELAY BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE PEDAL STROKE SENSOR ASSEMBLY BRN WIRE BUZZER COMPUTER DATA LINES SYSTEM CTY DRIVER SUPPORT ECU ASSEMBLY ENA ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM R/B 3 FRA FRR+ GRN WIRE GRY WIRE HALL IC 1 HALL IC 2 INTEGRATION CONTROL, PANEL ASSEMBLY LBL LEFT COWL SIDE J/B LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR SPEED SENSOR LH ECU-IG FUSE LT GRN WIRE MTT PFR PNK WIRE PRL RED WIRE RELAY 1 ENERGIZED RIGHT FRONT SPEED SENSOR RLA- RLR+ SKG SKID CONTROL BUZZER ASSEMBLY SKID CONTROL ECU ASSEMBLY SKS VCM VCS OFF SWITCH VCSK VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR CORNER OF ENGINE COMPT) BRN WIRE CAN (+) COMPUTER DATA LINES SYSTEM FLA- FLR FRA FRONT STEERING CONTROL ECU FRR+ GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LH-IG FUSE LT GRN WIRE MTT PFL PFR PNK PNK WIRE PNK WIRE PRL PRR- RED WIRE RELAY 1 ENERGIZED RH ECU-IG FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) RLA- RLR+ RRA+ RRR + STOP FUSE VCM VIO WIRE W/O VGRS W/ VGRS WHT WIRE WHT/BLK WIRE YEL WIRE

BACK BLK WIRE BLU WIRE BRN WIRE CANN CANP COMPUTER DATA LINES SYSTEM DBCL DOWN DRDC ENGINE ROOM R/B 1 ASSEMBLY FRV- GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LEFT FRONT POWER SEAT SWITCH ASSEMBLY LEFT POWER SEAT LIFT MOTOR LEFT POWER SEAT RECLINING MOTOR LFT- LT GRN WIRE MAIN BODY ECU MPX-B FUSE O/P PASSIVE RESTRAINTS SYSTEM PNK WIRE RCL- RED WIRE SGND SLD SSFV SSRL SSRR SSRS SYSB VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BACK BLK WIRE BLU WIRE BRN WIRE CANN CANP CLS COMPUTER DATA LINES SYSTEM DOWN ENGINE ROOM R/B 1 ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LEFT FRONT POWER SEAT SWITCH ASSEMBLY LEFT POWER SEAT CUSHION MOTOR LEFT POWER SEAT LIFT MOTOR LH-IG FUSE LT BLU WIRE LT GRN WIRE MAIN BODY ECU MPX-B FUSE O/P PNK WIRE RED WIRE RELAY 1 ENERGIZED SPR VCC VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ALL DOOR LOCK RELAY BLK WIRE CLEARANCE WARNING ECU ASSEMBLY D DOOR UNLOCK RELAY FORWARD RECOGNITION CAMERA FROM MULTIPLEX TILT, TELESCOPIC ECU (DIAGRAM 4 OF 7) FUEL OPN RELAY HEADLIGHT DIMMER SWITCH ASSEMBLY HEADUP DISPLAY (COMBINATION METER MIRROR ECU) INTEGRATION CONTROL, PANEL ASSEMBLY JUNCTION TERMINAL L/D DOOR UNLOCK RELAY LEFT "C" PILLAR) LEFT BLIND SPOT MONITOR SENSOR LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT FRONT POWER SEAT SWITCH ASSEMBLY LEFT FRONT SEAT HEATER ASSEMBLY LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT POSITION CONTROL ECU ASSEMBLY LEFT REAR DOOR LOCK ASSEMBLY LEFT REAR DOOR OUTSIDE HANDLE ASSEMBLY LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LEFT REAR SEAT INNER BELT W/ CENTER ASSEMBLY LEFT SEAT CLIMATE CONTROL BLOWER LEFT VISOR ASSEMBLY LUGGAGE CLOSER MOTOR ASSEMBLY LUGGAGE DOOR OPENING SWITCH ASSEMBLY MAIN BODY ECU MULTIPLEX NETWORK DOOR ECU RIGHT VISOR ASSEMBLY SHIFT LOCK CONTROL ECU (TRANSMISSION FLOOR SHIFT ASSEMBLY) SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY STEERING SENSOR TILT STEERING GEAR W/ MOTOR ASSEMBLY TRIP SWITCH W/ 10-WAY SEAT POSITION W/ 18-WAY SEAT POSITION W/ POWER TRUNK OPENER, CLOSER WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY

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

A/C W/P FUSE ABS 1 FUSE ABS MAIN 3 FUSE AIR CONDITIONING SYSTEM AIR CONDITIONING, ANTI-LOCK BRAKES SYSTEMS ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE COOLING FANS, SHIFT INTERLOCK SYSTEMS CRUISE CONTROL SYSTEM ELECTRONIC POWER STEERING, ANTI-LOCK BRAKES SYSTEMS ENGINE ROOM R/B 1 ASSEMBLY FL S/HTR FUSE FROM ENGINE ROOM J/B 1 ASSEMBLY (DIAGRAM 2 OF 7) FROM ENGINE ROOM R/B 1 ASSEMBLY (DIAGRAM 2 OF 7) FROM FILTER FUSE (DIAGRAM 2 OF 7) FROM RIGHT COWL SIDE J/B (DIAGRAM 3 OF 7) GAUGE FUSE GRN WIRE H-LP CLN FUSE HTR FUSE LH ECU-IG FUSE LT BLU WIRE LT GRN WIRE NAVIGATION, COMPUTER DATA LINES SYSTEMS PTC 1 FUSE PTC 2 FUSE RED WIRE SEATS SYSTEM SEATS, NAVIGATION SYSTEMS SHIFT INTERLOCK SYSTEM TO LH-IG FUSE (DIAGRAM 5 OF 7) TO LUGGAGE ROOM J/B 1 ASSEMBLY (DIAGRAM 6 OF 7) TO TI, TE FUSE (DIAGRAM 7 OF 7) WHT WIRE WHT/BLK WIRE WIPER FUSE WIPER-IG FUSE WIPER/ WASHER SYSTEM WIPER/WASHER SYSTEM YEL WIRE

+BI +BO BLK WIRE BLU WIRE BMU+ BMV+ BMW+ BRN WIRE CAN (+) COMPUTER DATA LINES SYSTEM CSS+ ECU-B FUSE ENGINE ROOM R/B 1 ASSEMBLY FRONT STEERING CONTROL ECU GRN WIRE GRY WIRE HOT AT ALL TIMES LG+ LT BLU WIRE LT GRN WIRE LV (+) NCA WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RG+ RH ECU-IG FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) RV+ STEERING ACTUATOR ASSEMBLY (LOWER STEERING COLUMN) STEERING SENSOR (ON STEERING COLUMN) VGRS FUSE VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

7 32 ACTG BLK WIRE BLU WIRE CANN CANP CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM D DOOR UNLOCK RELAY D/L 1 FUSE D/L 2 FUSE ECU-B FUSE ENGINE ROOM R/B 1 ASSEMBLY FLLK FUEL LID LOCK W/ MOTOR ASSEMBLY FUEL OPN RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES KEY KUL LEFT COWL SIDE J/B LEFT FRONT DOOR LOCK ASSEMBLY LEFT FRONT MULTIPLEX NETWORK DOOR ECU LH J/B-B FUSE LH-IG FUSE LOCK LSWE LT BLU WIRE LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH MAIN BODY ECU (IN LEFT COWL SIDE JUNCTION BOX) MPX-B FUSE PNK WIRE POWER CHANGE RELAY RED WIRE RELAY 1 ENERGIZED SIG TMSW TSW UN- VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE OIL PRESSURE SWITCH ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY GAUGE FUSE GRN WIRE HOT AT ALL TIMES IND INTEGRATION CONTROL, PANEL ASSEMBLY LEFT COWL SIDE J/B LH ECU-IG FUSE LH J/B-B FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE MAIN BODY ECU MPX-B FUSE OPSW PNK WIRE PRST RED WIRE RELAY 1 ENERGIZED RH ECU-IG FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) SFTP SKID CONTROL ECU ASSEMBLY SP- VEHICLE APPROACHING SPEAKER ASSEMBLY VEHICLE APPROACHING SPEAKER CONTROLLER VIO WIRE W/O NIGHT VIEW SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE