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

ACC FUSE ACCELERATOR PEDAL SENSOR ASSEMBLY BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CANN CANP COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH EFI MAIN FUSE ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY F/PMP FUSE FUEL PUMP CONTROL ECU GRN WIRE GRY WIRE HOT AT ALL TIMES IGCT 1 FUSE IGCT 5 FUSE IGCT RELAY INV W/P RELAY LT BLU WIRE LT GRN WIRE NCA WIRE ON OFF PNK WIRE POWER MANAGEMENT CONTROL ECU PSFT RED WIRE RH ACC RELAY RIGHT COWL SIDE J/B RIGHT END OF DASH) RIGHT STEERING PAD SWITCH SFTD SFTU SHIFT LEVER POSITION SENSOR SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY THROTTLE BODY W/ MOTOR ASSEMBLY (TOP RIGHT REAR OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ABS- MAIN 1 FUSE BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 ASSEMBLY GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LEFT FRONT SPEED SENSOR LEFT REAR SPEED SENSOR RED WIRE RELAY ENERGIZED RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR SFTD SFTU SKID CONTROL ECU ASSEMBLY STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BDR BLK WIRE BLU WIRE CANN CANP COMPUTER DATA LINES SYSTEM DOOR F/R FUSE ENGINE ROOM R/B 1 ASSEMBLY FRV- GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LFT- LT BLU WIRE LT GRN WIRE MEMORY MPX-B FUSE MSWE P/SEAT 1 F/R FUSE PNK WIRE POWER DISTRIBUTION SYSTEM RCL- RED WIRE RELAY 1 ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT POSITION CONTROL ECU ASSEMBLY RIGHT POWER SEAT LIFT MOTOR (RIGHT FRONT SEAT ADJUSTER ASSEMBLY) RIGHT POWER SEAT RECLINING MOTOR (RIGHT FRONT SEAT BACK SPRING SUB-ASSEMBLY) RIGHT POWER SEAT SLIDE MOTOR (RIGHT FRONT SEAT ADJUSTER ASSEMBLY) RIGHT POWER SEAT TILT MOTOR (RIGHT FRONT SEAT ADJUSTER ASSEMBLY) RIGHT SEAT MEMORY SWITCH SET- SLD SYSB VIO WIRE WHT WIRE WHT/BLK WIRE

-TW 17 SPEAKER AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR HEADER SPEAKER ASSEMBLY LEFT REAR SPEAKER ASSEMBLY LEFT REAR SPEAKER ASSEMBLY 2 LT GRN WIRE LUGGAGE ROOM J/B 1 ASSEMBLY MPX-B FUSE PNK WIRE POWER WINDOWS SYSTEM REAR CONTROL SWITCH RED WIRE RELAY 1 ENERGIZED RLIN RR ECU-IG FUSE SEAT HEATER SWITCH, REAR SIDE A/C SWITCH, REAR SUNSHADE SWITCH SHIELD VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER ENGINE ROOM R/B 1 ASSEMBLY GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LED DRIVER LEFT COWL SIDE J/B LEFT PADDLE SHIFT SWITCH LT BLU WIRE MPX-B FUSE NORMAL PNK WIRE POWER MANAGEMENT CONTROL ECU RED WIRE RIGHT COWL SIDE J/B RIGHT END OF DASH) RIGHT PADDLE SHIFT SWITCH SNOW SNWI SPCN SPDI SPEAKER SPIRAL CABLE SUB-ASSEMBLY SPORT SPSW STOP FUSE SWITCH WIRE 1 TELLTALES VIO WIRE W/O DYNAMIC RADAR CRUISE CONTROL W/ DYNAMIC RADAR CRUISE CONTROL WHT WIRE WHT/BLK WIRE 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 BLK/WHT WIRE BLU WIRE BRN WIRE CANISTER PRESSURE SENSOR CANISTER PUMP MODULE (UNDER CENTER REAR OF VEHICLE) CANN CANP COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM ECO ENGINE ROOM R/B 1 ASSEMBLY ETCS FUSE EV MODE FP- FPC FUEL PUMP CONTROL ECU FUEL SENDER GAUGE ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEAK DETECTION PUMP LEFT COWL SIDE J/B LT GRN WIRE MGND MPMP MTRB NORMAL P/I-B 2 FUSE PNK WIRE PPMP RED WIRE RED/BLU WIRE RELAY ENERGIZED RFC RIGHT END OF DASH) RTNV SGND SNOW SNWI SPCN SPORT SPSW TACH VCC VENT VALVE VGND VIO WIRE VLVB VOUT VPMP WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER ENGINE ROOM R/B 1 ASSEMBLY FUEL INJECTOR ASSEMBLIES 1, 3, 5 (DIRECT INJECTION) FUEL INJECTOR ASSEMBLIES 2, 4, 6 (DIRECT INJECTION) GAUGE FUSE GRN WIRE GRY WIRE KNOCK CONTROL SENSOR (BANK 1) KNOCK CONTROL SENSOR (BANK 2) LED DRIVER LT BLU WIRE LT GRN WIRE PNK WIRE RED WIRE RELAY ENERGIZED SHIELD SKID CONTROL ECU ASSEMBLY SPEAKER TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BWP ACCI AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BRN WIRE CLK+ ENGINE ROOM R/B 1 ASSEMBLY FAN 1 RELAY FCTL GCS GCSG GMT GMTG GRF GRFG GRN WIRE GRY WIRE GSN GSNG HOT AT ALL TIMES HSDN HTM- HYBRID VEHICLE GENERATOR HYBRID VEHICLE TRANSMISSION ASSEMBLY IGCT 1 FUSE IGCT 3 FUSE IGCT 4 FUSE IGCT 5 FUSE IGCT RELAY ILK ILKO INTERLOCK SWITCH (SERVICE PLUG GRIP) INV W/P FUSE INV W/P RELAY INVERTER W/ CONVERTER ASSEMBLY (RIGHT REAR CORNER OF ENGINE COMPT) INVERTER WATER PUMP ASSEMBLY IWP LT BLU WIRE LT GRN WIRE MTH+ NIWP NODD NWP OIL PMP FUSE OIL PMP RELAY ORG/ WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU PSFT RED WIRE REQ+ RIGHT END OF DASH) SHIELD SWP TPST VIO WIRE VLO WHT WIRE WHT/BLK WIRE YEL WIRE

ABFS ACCD AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BRN WIRE CAN I/F CLK+ COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DISPLAY DRIVER ENGINE ROOM R/B 1 ASSEMBLY ETHO ETI EVSW GAUGE FUSE GMT GMTG GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES IMI IMO ITE LED DRIVER LT BLU WIRE LT GRN WIRE MMT MMTG MPX-B FUSE NAVIGATION SYSTEM PNK WIRE POWER DISTRIBUTION SYSTEM POWER MANAGEMENT CONTROL ECU RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B RIGHT END OF DASH) SFTD SFTU SHIFT INTERLOCK SYSTEM SKID CONTROL ECU ASSEMBLY SL/R SLP STB SUPPLEMENTAL RESTRAINTS SYSTEM TELLTALES THO TOPM TRANSMISSION REVOLUTION SENSOR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE