Lexus GS IV facelift (2015-2020) engine room r/b 1 assembly 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

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

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

2.0L TURBO 4WD 2WD 3.5L 2.0L TURBO A/C COMP RELAY A/F RELAY BLK WIRE BLOWER MOTOR SUB ASSEMBLY W/ FAN BRAKE ACTUATOR ASSEMBLY BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE PEDAL LOAD SENSING SWITCH BRN WIRE COOLER COMPRESSOR ASSEMBLY ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY ENGINE ROOM R/B 3 FAN RELAY 1 FAN RELAY 2 FRONT STEERING CONTROL ECU FRONT WIPER DEICER (WINDSHIELD GLASS) HEADLIGHT CLEANER MOTOR, PUMP ASSEMBLY INTEGRATION RELAY KICK DOWN SWITCH ASSEMBLY LEFT FRONT ABSORBER CONTROL ACTUATOR LEVEL WARNING SWITCH ASSEMBLY POWER STEERING ECU ASSEMBLY RIGHT END OF DASH) RIGHT FRONT ABSORBER CONTROL ACTUATOR ST RELAY STOP LIGHT SWITCH ASSEMBLY VACUUM WARNING SWITCH ASSEMBLY WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY WIRELESS DOOR LOCK BUZZER WIRING HARNESS CONDENSER ASSEMBLY 1

AUTO BLK WIRE BLU WIRE CANADA USA COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY FRWA GRN WIRE H-LP CLN FUSE HEAD HEADLIGHT CLEANER CONTROL RELAY HEADLIGHT CLEANER MOTOR, PUMP ASSEMBLY HEADLIGHT DIMMER SWITCH ASSEMBLY HLC HOT AT ALL TIMES HOT W/ LEFT COWL SIDE J/B LEFT HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH J/B-B FUSE LH-IG FUSE LIGHT CONTROL SWITCH LINL LT GRN WIRE MAIN BODY ECU MPX-B FUSE OFF DRL OFF ORG/ WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RIGHT COWL SIDE J/B RIGHT HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY TAIL WASH FUSE WASH-S FUSE WASHER SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY 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

AUTO BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B 3 FUSE ELECTRIC PARKING BRAKE SWITCH ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY EPB EPB FUSE GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IND IND LED DRIVER LEFT COWL SIDE J/B LH ECU-IG FUSE LOCK LPA LUGGAGE ROOM J/B 1 ASSEMBLY MPX-B FUSE PARKING BRAKE ACTUATOR W/ BRACKET ASSEMBLY PARKING BRAKE ECU ASSEMBLY PARKING LIGHT SWITCH ASSEMBLY PNK WIRE RED WIRE RELAY 1 ENERGIZED RELEASE RR ECU-IG FUSE SHIELD SHIELD SG TELLTALES TGND TSEN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BCUT BDR PNK CPUB WIRE BDRJ BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT DOOR F/L FUSE DOOR F/R FUSE DOOR LOCK, UNLOCK SWITCH DOOR R/L FUSE DOOR R/R FUSE DOWN DRIVER SIDE DRIVER SIDE AUTO SWITCH DRIVER SIDE DOWN SWITCH DRIVER SIDE UP SWITCH ENGINE ROOM R/B 1 ASSEMBLY FRONT PASSENGER SIDE FRONT PASSENGER SIDE POWER WINDOW SWITCH GRY WIRE HOT AT ALL TIMES HOT W/ KA (LEFT KICK PANEL) KEY LOCK KEY UNLOCK KUL LED LEFT COWL SIDE J/B LEFT FRONT DOOR COURTESY LIGHT SWITCH LEFT FRONT DOOR LOCK ASSEMBLY LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT REAR SIDE POWER WINDOW SWITCH LEFT REAR, RIGHT REAR SIDE LH J/B-B FUSE LH-IG FUSE LSWE LT GRN WIRE MAIN BODY ECU MPX-B FUSE P/W-B FUSE PNK WIRE POWER DISTRIBUTION SYSTEM POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY POWER WINDOW SWITCH PWE RED WIRE RELAY 1 ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B RIGHT REAR SIDE POWER WINDOW SWITCH SGND PNK CPBJ WIRE SIG VIO WIRE WHT WIRE WHT/BLK WIRE WINDOW LOCK SWITCH 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

ALSI AMPLIFIER ANTENNA ASSEMBLY 1 ANTENNA ASEL BLK WIRE BLU WIRE CAN I/F CERTIFICATION ECU COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CSEL DATA DISPLAY DRIVER ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY F IN F OT FR- PNK RR+ WIRE FRONT TIRE PRESSURE MONITOR INITIATOR GAUGE FUSE GRY WIRE HOT AT ALL TIMES LED DRIVER LEFT COWL SIDE J/B LH J/B-B FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B ASSEMBLY MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE NCA WIRE ORG/ WIRE PNK CSEL WIRE PNK R IN WIRE PNK WIRE R OT RCO RDAM REAR TIRE PRESSURE MONITOR INITIATOR RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) RR J/B-B FUSE SIL TELLTALES TIRE PRESSURE MONITOR INITIATOR DRIVER VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE