Lexus GS IV facelift (2015-2020) computer data lines system Wiring diagrams

+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

+S CANL A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE CAN (+) CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER FRONT PAD WEAR INDICATOR SWITCH GRN WIRE GRY WIRE HOT W/ LED DRIVER LEFT COWL SIDE J/B LEFT REAR SPEED SENSOR LEFT SKID CONTROL SENSOR WIRE LH ECU-IG FUSE LT BLU WIRE LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY PIND PNK WIRE REAR PAD WEAR INDICATOR SWITCH RED WIRE RELAY 1 ENERGIZED RIGHT REAR SPEED SENSOR RIGHT SKID CONTROL SENSOR WIRE RL- RL+ SPEAKER TELLTALES TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE 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

A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE CAN (+) CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER FRONT PAD WEAR INDICATOR SWITCH GRN WIRE GRY WIRE LED DRIVER LEFT REAR SPEED SENSOR LEFT SKID CONTROL SENSOR WIRE LT BLU WIRE LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY PIND PNK WIRE REAR PAD WEAR INDICATOR SWITCH RED WIRE RIGHT REAR SPEED SENSOR RIGHT SKID CONTROL SENSOR WIRE RL- RL+ SPEAKER TELLTALES TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE 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

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

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