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

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

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

+BM A/C AMPLIFIER A/F FUSE A/F RELAY BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) ECOS EDU FUSE EFI 2 FUSE EFI MAIN FUSE EFI VACUUM SENSOR ASSEMBLY ENGINE ROOM J/B 1 ASSEMBLY EPIM EPR F/PMP FUSE FPD + FPF FUEL PRESSURE SENSOR GRN WIRE GRN/BLK WIRE GRY WIRE INJ RELAY LT GRN WIRE NE+ PIM PNK WIRE RED WIRE THA VCPM VCPR VIO WIRE 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

ACCELERATOR PEDAL SENSOR ASSEMBLY AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) AIR FUEL RATIO SENSOR 2 (BANK 2 SENSOR 1) BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE OIL LEVEL SENSOR ENGINE OIL PRESSURE SWITCH ASSEMBLY EVSW GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES HYBRID SYSTEM CIRCUIT IREL LEFT CAM TIMING OIL CONTROL VALVE (BANK 2 EXHAUST SIDE) LEFT CAM TIMING OIL CONTROL VALVE ASSEMBLY (BANK 2 INTAKE SIDE) LOIL LT BLU WIRE LT GRN WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU PURGE VSV RED WIRE RED/BLK WIRE RIGHT CAM TIMING OIL CONTROL VALVE ASSEMBLY (BANK 1 EXHAUST SIDE) RIGHT CAM TIMING OIL CONTROL VALVE ASSEMBLY (BANK 1 INTAKE SIDE) RIGHT COWL SIDE J/B RIGHT END OF DASH) SHIELD SPDI VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BATTERY THERMOMETER SENSOR (THERMISTOR ASSEMBLY) BATTERY VOLTAGE SENSOR BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BTH+ BUSBAR MODULE BUSBAR MODULE HYBRID VEHICLE BATTERY BUSBAR MODULE CBI CEI COMPUTER DATA LINES SYSTEM CURRENT SENSOR ETHB GBO GIB GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HV SUPPLY BATTERY ASSEMBLY HYBRID BATTERY JUNCTION BLOCK ASSEMBLY HYBRID VEHICLE BATTERY IGCT INDD INDM INDN INDP INDR KICK DOWN SWITCH ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN RELAY OIL PRESSURE SENSOR ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) PWR RECHARGE RELAY RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RESISTOR SERVICE PLUG SHIELD SHIFT POSITION INDICATOR SMRB SMRG SMRP SPDI TCO THB THERMISTOR VIB VIO WIRE VOUT WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY AGND ANTENNA COIL BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CERTIFICATION ECU (RIGHT END OF DASH) CODE COMBINATION SWITCH ASSEMBLY COMPUTER DATA COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY ECO ECOS EV MODE GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LINES SYSTEM LT BLU WIRE NORMAL PNK WIRE POWER SWITCH RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B RIGHT END OF DASH) SNOW SNWI SPCN SPORT SPSW STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) SWIL TXCT VIO WIRE 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