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

ABS 1 FUSE ABS 2 FUSE BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY BRAKE PEDAL LOAD SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY FSW+ GAUGE FUSE GRN WIRE GRY WIRE HOLD HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY LEFT COWL SIDE J/B LEFT FRONT SPEED SENSOR LEFT REAR SPEED SENSOR LF+ LH ECU-IG FUSE LR (-) LT BLU WIRE LT GRN WIRE MPX-B FUSE PNK BZ WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RF+ RH ECU-IG FUSE RIGHT COWL SIDE J/B RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR SATELLITE SWITCH SET SKID CONTROL BUZZER ASSEMBLY VSC OFF SWITCH W/O VGRS WHT WIRE WHT/BLK WIRE YEL WIRE

+BO ALT BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRN WIRE CAN I/F CCS- COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM J/B 2 ASSEMBLY FRONT STEERING CONTROL ECU GNDB GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION RELAY LED DRIVER LEFT COWL SIDE J/B LT GRN WIRE P/I ALT FUSE PNK +B WIRE PNK W/ VGRS WIRE PNK WIRE RED WIRE SPEAKER STEERING SENSOR STOP STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) TELLTALES VIO WIRE W/O VGRS W/O VGRS W/ VGRS WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YAW RATE SENSOR YEL WIRE

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 BLK WIRE BLK/WHT WIRE BLU WIRE COOLING FAN ECU (2.0L TURBO) (REAR OF COOLING FAN MOTOR) COOLING FAN ECU 2 (2.0L TURBO) (REAR OF COOLING FAN MOTOR 2) COOLING FAN MOTOR COOLING FAN MOTOR 2 ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY FAN 1 RELAY FAN 2 RELAY FAN 3 FUSE FAN-2 FUSE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LH ECU- IG 2 FUSE LT GRN WIRE PNK WIRE RELAY 2 ENERGIZED WHT WIRE WHT/BLK WIRE YEL WIRE

BACK BLK WIRE BLU WIRE BRN WIRE CANN CANP CLS COMPUTER DATA LINES SYSTEM DOWN ENGINE ROOM R/B 1 ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LEFT FRONT POWER SEAT SWITCH ASSEMBLY LEFT POWER SEAT CUSHION MOTOR LEFT POWER SEAT LIFT MOTOR LH-IG FUSE LT BLU WIRE LT GRN WIRE MAIN BODY ECU MPX-B FUSE O/P PNK WIRE RED WIRE RELAY 1 ENERGIZED SPR VCC VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK/BLU WIRE BLU WIRE BRN WIRE EC MIRROR EC+ ECI+ ENGINE ROOM R/B 1 ASSEMBLY GRY WIRE HOT AT ALL TIMES INNER REAR VIEW MIRROR ASSEMBLY LEFT COWL SIDE J/B LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT OUTER REAR VIEW MIRROR ASSEMBLY LH-IG FUSE LT BLU WIRE LT GRN WIRE MAP LIGHT ASSEMBLY MPX-B FUSE PNK EC+ WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT OUTER REAR VIEW MIRROR ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE

ACC FUSE AIR AMPLIFIER ANTENNA ASSEMBLY ANTENNA CORD SUB-ASSEMBLY 2 ARON BLK WIRE BLU WIRE CANADA COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM EAU GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B LEFT STEERING PAD SWITCH LH-IG FUSE LT BLU WIRE LT GRN WIRE MACC MIN MODE MULTI MEDIA FUSE MULTI-MEDIA MODULE RECEIVER ASSEMBLY NAVIGATION ANTENNA ASSEMBLY NCA WIRE OFF HOOK ON HOOK PNK WIRE RED WIRE RELAY 1 ENERGIZED RH ACC RELAY RH ECU-IG FUSE RIGHT COWL SIDE J/B ROOF ANTENNA ASSEMBLY SEEK SEUC SGND SHIELD SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SUPPLEMENTAL RESTRAINTS SYSTEM SWG USA VIO WIRE VMTF VOICE VOLUME- W/ SAFETY CONNECT W/O SAFETY CONNECT W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

ACC FUSE AIR AMPLIFIER ANTENNA ASSEMBLY ANTENNA CORD SUB-ASSEMBLY 2 ARON BLK WIRE BLU WIRE CANADA COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM EAU GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B LEFT STEERING PAD SWITCH LH-IG FUSE LT BLU WIRE LT GRN WIRE MACC MIN MODE MULTI MEDIA FUSE MULTI-MEDIA MODULE RECEIVER ASSEMBLY NAVIGATION ANTENNA ASSEMBLY NCA WIRE OFF HOOK ON HOOK PNK WIRE RED WIRE RELAY 1 ENERGIZED RH ACC RELAY RH ECU-IG FUSE RIGHT COWL SIDE J/B ROOF ANTENNA ASSEMBLY SEEK SEUC SGND SHIELD SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SUPPLEMENTAL RESTRAINTS SYSTEM SWG USA VIO WIRE VMTF VOICE VOLUME- W/ SAFETY CONNECT W/O SAFETY CONNECT W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

2.0L TURBO 3.5L BLK WIRE BLU WIRE BRN WIRE ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY GNDA (-) GNDB GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION RELAY LEFT COWL SIDE J/B LT BLU WIRE P/I-B 1 FUSE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) THROTTLE BODY ASSEMBLY W/ MOTOR (TOP RIGHT REAR OF ENGINE) THROTTLE BODY W/ MOTOR ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ACCD AGND BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE SWITCH GNDA (-) GNDB GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LT BLU WIRE LT GRN WIRE P/I-B 1 FUSE P/I-B 2 FUSE PNK WIRE RED WIRE RELAY ENERGIZED RELAY INTEGRATION RIGHT COWL SIDE J/B SKSW STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE