Lexus GS IV facelift (2015-2020) (behind right center of dash, Wiring diagrams

A/C AMPLIFIER ASSEMBLY BLK WIRE BLU WIRE BRN WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ECO ECOS ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY GNDA (-) GNDB GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B NORMAL P/I-B 1 FUSE PNK WIRE RED WIRE RELAY ENERGIZED RELAY INTEGRATION RIGHT COWL SIDE J/B SNOW SPORT STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2.0L TURBO 3.5L A/C AMPLIFIER ASSEMBLY A/C COMP RELAY A/C EVAPORATOR A/C HARNESS ASSEMBLY ACCESSORY METER ASSEMBLY B+ BUS BLK WIRE BLU WIRE BUS - BUS G COLOR (BLACK) COLOR (BROWN) COLOR (GREEN) COLOR (RED) WIRE COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (GRAY) CONNECTOR HOUSING COLOR (NATURAL) CONNECTOR HOUSING COLOR (SKY BLUE) COOLER COMPRESSOR ASSEMBLY 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 J/B 2 ASSEMBLY FRONT A/C SWITCH GRN WIRE GRY WIRE LT GRN WIRE MG+ MULTI-MEDIA MODULE RECEIVER ASSEMBLY PNK WIRE QUICK HEATER ASSEMBLY SENSOR SGA SOL + SSR+ TEA TEMPERATURE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY ACC FUSE BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CONTROL ENGINE ROOM R/B 1 ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LEFT REAR SEAT BACK HEATER ASSEMBLY LEFT REAR SEAT HEATER ASSEMBLY LEFT SEAT HEATER LT GRN WIRE LUGGAGE ROOM J/B 1 ASSEMBLY MPX-B FUSE PNK RLIN WIRE PNK WIRE REAR CONTROL SWITCH RED WIRE RELAY 1 ENERGIZED RH ACC RELAY RIGHT COWL SIDE J/B RIGHT REAR SEAT BACK HEATER ASSEMBLY RIGHT REAR SEAT HEATER ASSEMBLY RIGHT SEAT HEATER RR ECU-IG FUSE RR S/HTR FUSE SEAT HEATER SWITCH SHDE SHPE TFAL TFAR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3.5L W/ DYNAMIC RADAR CRUISE CONTROL W/O DYNAMIC RADAR CRUISE CONTROL A/C AMPLIFIER ASSEMBLY BLK WIRE BLU WIRE BRN WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ECO ECOS GRN WIRE GRY WIRE LEFT PADDLE LT BLU WIRE NORMAL PNK WIRE RED WIRE RIGHT PADDLE SHIFT SWITCH SNOW SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY SPORT STEERING COLUMN) SWITCH WIRE 1 VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3.5L W/ DYNAMIC RADAR CRUISE CONTROL W/O DYNAMIC RADAR CRUISE CONTROL A/C AMPLIFIER ASSEMBLY BLK WIRE BLU WIRE BRN WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ECO ECOS GRN WIRE GRY WIRE LEFT PADDLE LT BLU WIRE NORMAL PNK WIRE RED WIRE RIGHT PADDLE SHIFT SWITCH SNOW SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY SPORT STEERING COLUMN) SWITCH WIRE 1 VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY ACC FUSE BLK WIRE BLU WIRE BRN WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA ECO ECOS ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 3 GRN WIRE GRY WIRE HOT AT ALL TIMES LINES SYSTEM LT BLU WIRE NORMAL PARK/NEUTRAL POSITION SWITCH ASSEMBLY PIM PNK WIRE RED WIRE RELAY 2 ENERGIZED RH ACC RELAY RH ECU-IG 2 FUSE RIGHT COWL SIDE J/B SHIELD SNOW SPORT THIM TURBO PRESSURE SENSOR 1 WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA ECO ECOS GRN WIRE GRY WIRE INTERIOR LEFT PADDLE LIGHTS) LINES SYSTEM LT BLU WIRE LT GRN WIRE NORMAL PNK WIRE RED WIRE RIGHT PADDLE SFTD SFTU SHIFT SWITCH SNOW SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY SPORT STEERING COLUMN) SWITCH WIRE 1 SYSTEM TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) WHT WIRE WHT/BLK WIRE YEL WIRE