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

A/C AMPLIFIER ASSEMBLY (BEHIND RIGHT CENTER OF DASH) A/C FUSE A/C PRESSURE SENSOR (LIQUID TUBE SUB-ASSEMBLY) AMBIENT TEMPERATURE SENSOR (THERMISTOR ASSEMBLY) AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE BLU WIRE BLW BRN WIRE CLTB CLTE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DGS ECO SWITCH ECOS ENGINE ROOM J/B 2 ASSEMBLY FDEF FRONT SEAT HEATER SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LH-IG FUSE LOUT LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B 1 ASSEMBLY MAIN BODY ECU MGC NAIN NANO PNK WIRE PRE RDEF REAR A/C SWITCH REAR CONTROL SWITCH RED WIRE REFRESHING SEAT SWITCH RELAY 1 ENERGIZED RH ECU-IG FUSE RH-IG FUSE RIGHT COWL SIDE J/B RLIN ROOM TEMPERATURE SENSOR (COOLER THERMISTOR) ROUT RR ECU-IG FUSE SEATS SYSTEM SG-1 SG-3 SHD SHDE SHP+ SHPE SMOG VENTILATION SENSOR SOL + SOLAR SENSOR TAM TFAL TFAR TSD TSL TSP TSR VIO WIRE W/ ION GENERATOR 1 SUB-ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

2.0L TURBO 3.5L A/C AMPLIFIER ASSEMBLY (BEHIND RIGHT CENTER OF DASH) A/C COMP FUSE BLK WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU (3.5L) COOLING FAN MOTOR COOLING FAN MOTOR 2 DGS E.F.I. ENGINE COOLANT TEMPERATURE SENSOR ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY ENGINE ROOM R/B 3 FAN 1 FUSE FAN 1 RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES HTR FUSE ION GENERATOR 1 SUB-ASSEMBLY LOCK LT GRN WIRE PCL PNK WIRE PTC 1 FUSE PTC 1 RELAY PTC 2 FUSE PTC 2 RELAY RED WIRE RFC RIGHT END OF DASH) SEATS SEATS SYSTEM SG-2 SG-3 SG-4 SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU 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

+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

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/C AMPLIFIER ASSEMBLY A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) ABSORBER CONTROL ECU ACCESSORY METER ASSEMBLY AIR BAG SENSOR ASSEMBLY BLK WIRE CANISTER PUMP MODULE CERTIFICATION ECU CLOCK ASSEMBLY COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY DCM (TELEMATICS TRANSCEIVER) ELECTRIC PARKING BRAKE SWITCH ASSEMBLY FR PWR OUTLET RELAY FRONT STEERING CONTROL ECU GLOVE BOX LIGHT (INTERIOR ILLUMINATION LIGHT SUB ASSEMBLY) ID CODE BOX ION GENERATOR SUB- ASSEMBLY 1 JUNCTION TERMINAL LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY MAP LIGHT ASSEMBLY MULTI-DISPLAY MULTI-MEDIA MODULE RECEIVER ASSEMBLY NETWORK GATEWAY ECU PARKING LIGHT SWITCH ASSEMBLY QUICK HEATER ASSEMBLY REAR SUNSHADE SWITCH ASSEMBLY REFRESHING SEAT SWITCH REMOTE OPERATION SWITCH RH ACC RELAY RIGHT FRONT SEAT INNER BELT ASSEMBLY RR PWR OUTLET RELAY TIRE PRESSURE MONITOR INITIATOR DRIVER TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YAW RATE SENSOR

ACTG ALL DOOR LOCK RELAY BLK WIRE BLU WIRE BZR CANN CANP COMPUTER DATA LINES SYSTEM D DOOR UNLOCK RELAY D/L 1 FUSE D/L 2 FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT W/ LH L/D DOOR UNLOCK RELAY LCTY LEFT COWL SIDE J/B LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LH J/B-B FUSE LH-IG FUSE LSWL LSWR LT BLU WIRE LT GRN WIRE LUGGAGE COMPARTMENT DOOR OPENING SWITCH ASSEMBLY LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY MAIN BODY ECU (LEFT END OF DASH) PNK WIRE POWER CHANGE RELAY RCTY RED WIRE RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY SSCL TKUL TMSW TSW VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER YEL WIRE

AMPLIFIER ANTENNA ASSEMBLY ANTENNA ASEL BLK WIRE BLU WIRE CLGB CSEL CUTB DATA GRN WIRE GRY WIRE INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY 2 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY 3 LT BLU WIRE LT GRN WIRE NCA WIRE NEO PNK WIRE POWER DISTRIBUTION SYSTEM REAR ELECTRICAL KEY ANTENNA RED WIRE RIGHT COWL SIDE J/B RIGHT END OF DASH) SKSW STAR STARTING/ CHARGING SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR BAG ECU ASSEMBLY AIR BAG FUSE AUTO BLK WIRE BLU WIRE BSW BUCKLE SWITCH CAN I/F CANADA USA COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 2 ASSEMBLY GAUGE FUSE GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES LED DRIVER LEFT COWL SIDE J/B LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT OCCUPANT CLASSIFICATION SENSOR LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT REAR OCCUPANT CLASSIFICATION SENSOR LH J/B-B FUSE LH-IG FUSE LIGHT CONTROL SWITCH LSP + LT BLU WIRE LT GRN WIRE MAIN BODY ECU OCCUPANT DETECTION ECU OFF DRL OFF ORG/ WIRE PASSIVE RESTRAINTS SYSTEM PNK BGND WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RIGHT COWL SIDE J/B RIGHT FRONT INNER SEAT BELT ASSEMBLY SEAT POSITION AIR BAG SENSOR SGD SIG SPEAKER SVC TAIL TELLTALES WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ALSI AMPLIFIER ANTENNA ASSEMBLY 1 ANTENNA ASEL BLK WIRE BLU WIRE CAN I/F CERTIFICATION ECU COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CSEL DATA DISPLAY DRIVER ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY F IN F OT FR- PNK RR+ WIRE FRONT TIRE PRESSURE MONITOR INITIATOR GAUGE FUSE GRY WIRE HOT AT ALL TIMES LED DRIVER LEFT COWL SIDE J/B LH J/B-B FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B ASSEMBLY MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE NCA WIRE ORG/ WIRE PNK CSEL WIRE PNK R IN WIRE PNK WIRE R OT RCO RDAM REAR TIRE PRESSURE MONITOR INITIATOR RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) RR J/B-B FUSE SIL TELLTALES TIRE PRESSURE MONITOR INITIATOR DRIVER VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE