Lexus GS IV facelift (2015-2020) (left side of dash) Wiring diagrams

BLK WIRE BLU WIRE BRAKE PEDAL LOAD SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) BRN WIRE ENGINE ROOM R/B 1 ASSEMBLY FSW+ GNDA (-) GNDB GRY WIRE HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY INTEGRATION RELAY ENGINE ROOM J/B 2 ASSEMBLY LEFT COWL SIDE J/B LT GRN WIRE P/I-B 1 FUSE PNK WIRE RED WIRE STOP STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) VSC OFF SWITCH WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DRIVING SUPPORT ECU ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY GAUGE FUSE GNDA (-) GRN WIRE GRY WIRE HOT W/ IGA LED DRIVER LEFT COWL SIDE J/B LH ECU-IG FUSE LT BLU WIRE LT GRN WIRE ORG/ WIRE PIND PNK BZ WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RH ECU-IG FUSE SKID CONTROL BUZZER SPEAKER STEERING SENSOR (STEERING COLUMN) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR 1 (UNDER CENTER CONSOLE) YAW RATE SENSOR 2 YEL WIRE

BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER ENGINE ROOM R/B 2 ASSEMBLY GAUGE FUSE GRN WIRE HOT W/ LED DRIVER LEFT PADDLE SHIFT SWITCH LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RIGHT PADDLE SHIFT SWITCH RIGHT STEERING PAD SWITCH SDN SFTD SFTU SPEAKER SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SUP SWITCH WIRE 1 TELLTALES TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) VIO WIRE W/O DYNAMIC RADAR CRUISE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

ACCELERATOR PEDAL SENSOR ASSEMBLY (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES EFI MAIN FUSE EFI MAIN RELAY ENGINE ROOM J/B 2 ASSEMBLY GRN WIRE HOT AT ALL TIMES INTEGRATION LT BLU WIRE PNK WIRE RED WIRE RELAY SFTD SFTU SNWI STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) SYSTEM THROTTLE BODY W/ MOTOR ASSEMBLY (TOP FRONT OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY A/C EVAPORATOR A/C HARNESS ASSEMBLY A/C SWITCH ACCESSORY METER ASSEMBLY B+ BUS BLK WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BLU WIRE BUS - BUS G COLOR (BROWN) COLOR (RED) WIRE COMPRESSOR W/ PULLEY ASSEMBLY COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (GRAY) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (NATURAL) CONNECTOR HOUSING COLOR (SKY BLUE) DAMPER SERVO MOTOR DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (DEF) DAMPER SERVO MOTOR (DRIVER SIDE AIR VENT MODE) DAMPER SERVO MOTOR (DRIVER SIDE UPPER AIR MIX) DAMPER SERVO MOTOR (FRONT PASSENGER SIDE AIR VENT MODE) DAMPER SERVO MOTOR (FRONT PASSENGER SIDE LOWER AIR MIX) DAMPER SERVO MOTOR (FRONT PASSENGER SIDE UPPER AIR MIX) DAMPER SERVO MOTOR (REAR SIDE AIR MIX) ENGINE ROOM R/B 1 ASSEMBLY FAN 3 FUSE FAN-2 FUSE GRN WIRE HOT AT ALL TIMES HOT W/ HTR FUSE LEFT COWL SIDE J/B LH ECU- IG 2 FUSE LT GRN WIRE LUGGAGE ROOM J/B ASSEMBLY PNK SOL+ WIRE PNK WIRE RADIO RECEIVER ASSEMBLY RIGHT END OF DASH) RR ECU-IG FUSE SENSOR SGA SOL + TEA TEMPERATURE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE

A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) AIR BAG ECU ASSEMBLY BRAKE PEDAL LOAD SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) BRN WIRE COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY ELECTRIC PARKING BRAKE SWITCH ASSEMBLY ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 3 ASSEMBLY FRONT WIPER DEICER (WINDSHIELD GLASS) INTEGRATION RELAY KICK DOWN SWITCH ASSEMBLY LEFT VVT RELAY LT GRN WIRE PARKING LIGHT SWITCH ASSEMBLY RADIO RECEIVER ASSEMBLY REAR SUNSHADE SWITCH ASSEMBLY REFRESHING SEAT SWITCH REMOTE OPERATION SWITCH RIGHT VVT RELAY SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STOP LIGHT SWITCH ASSEMBLY W/ CLIMATE CONTROL SEAT WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY YAW RATE SENSOR 1

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

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

ACC FUSE ACCELERATOR PEDAL SENSOR ASSEMBLY BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HYBRID VEHICLE TRANSMISSION (TRANSMISSION WIRE) LEFT PADDLE SHIFT SWITCH LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RH ACC RELAY RIGHT COWL SIDE J/B RIGHT END OF DASH) RIGHT PADDLE SHIFT SWITCH SFTD SFTU SPIRAL CABLE SUB-ASSEMBLY SWITCH WIRE 1 THO TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) VIO WIRE W/O DYNAMIC RADAR CRUISE CONTROL W/ DYNAMIC RADAR CRUISE CONTROL 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