Lexus GS IV (2011-2015) relay energized Wiring diagrams

1 2 PE PB A/C EVAPORATOR TEMPERATURE SENSOR A/C HARNESS ASSEMBLY A/C W/P RELAY B BUS BUS BUS G BLK WIRE BLU WIRE CLK+ COLOR (RED) WIRE COMPRESSOR W/ MOTOR ASSEMBLY (LEFT FRONT OF ENGINE) COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (BROWN) CONNECTOR HOUSING COLOR (GRAY) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (NATURAL) CONNECTOR HOUSING COLOR (RED) WIRE CONNECTOR HOUSING COLOR (SKY BLUE) DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (DEF) DAMPER SERVO MOTOR (DRIER SIDE AIR VENT MODE) DAMPER SERVO MOTOR (DRIER SIDE UPPER AIR MIX) 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) (W/ 3-ZONE A/C) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ETI GRN WIRE ITE LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LT GRN WIRE ORG/ WIRE PNK WIRE PUMP RED WIRE RELAY ENERGIZED SGA STB STBI DOUT DIN CLK GND TEA VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 RCYL LSWR 10-WAY SEAT POSITION MEMORY 18-WAY SEAT POSITION MEMORY 28 29 30 31 32 HORN 6 5 CANN CANP 6 5 CANP CANN 7 8 CANN CANP 9 8 7 8 CANN CANP BECU ALTB IG BLK WIRE BLU WIRE DOMR LCTY LCYL PANL FLLK DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FFGO TRLY HRLY FRCY LSWL TR+ ACTG ACT- ACT+ ACTD GRN WIRE GRY WIRE HCTY BZR DIM ACAN GSW DRL HOT AT ALL TIMES ILE FLCY 2 3 4 5 6 7 8 9 10 INTEGRATION CONTROL, PANEL CIRCUIT TRUNK, TAILGATE, FUEL DOORS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT MULTIPLEX NETWORK DOOR ECU (IN LEFT FRONT DOOR) LH J/B-B FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE LUGGAGE CLOSER MOTOR MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE MULTIPLEX TILT, TELESCOPIC ECU (ON STEERING COLUMN) NAVIGATION SYSTEM PNK PNK WIRE PNK WIRE POWER WINDOWS, MEMORY SYSTEMS RED WIRE RELAY ENERGIZED SSCL TCYL TMSW TRUNK, TAILGATE, FUEL DOORS SYSTEM 66 67 TRUNK, TAILGATE, FUEL DOORS SYSTEMS TSW CANP CANN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU (ON COOLING FAN MOTOR) COOLING FAN MOTOR (BEHIND RADIATOR) M- COOLING FAN MOTOR 2 (BEHIND RADIATOR) M- E.F.I ENGINE COOLANT TEMPERATURE SENSOR (TOP RIGHT REAR OF ENGINE) ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) FAN 1 FUSE FAN 1 RELAY GRY WIRE HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) LEFT COWL SIDE J/B LH ECU-IG FUSE RED WIRE RELAY ENERGIZED RFC WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

BLK WIRE BLU WIRE BRN WIRE CCS HITP GND NAVIGATION SYSTEM COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (LEFT END OF DASH) EFI MAIN FUSE EFI MAIN RELAY 1 EFI MAIN RELAY 2 ENERGIZED LUGGAGE ROOM J/B 1 (LEFT SIDE OF FUSE LUGGAGE COMPT) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) F/PMP FUSE FUEL PUMP CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IGB J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR (CENTER OF FRONT FASCIA) NETWORK GATEWAY ECU (RIGHT CENTER OF DASH) PBSW SPSW PNK WIRE PRE-COLLISION SYSTEM CANCEL SWITCH RED WIRE RELAY ENERGIZED SGND STP+ VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/ WASH CCHG WASHER SYSTEM WIPER/ WASHER WNKR WNKL SYSTEM YEL WIRE

1 11 10 16 15 GND RL+ RL- FR+ FR- PNK WIRE 16 15 11 10 FL+ FL- RR+ RR- 8 9 CANL CANH BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HOT AT ALL TIMES IGCT 5 FUSE IGCT IGCT 1 RELAY FUSE J/C LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL ASSEMBLY) LT GRN WIRE NCA WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL ASSEMBLY) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CRUISE CONTROL SWITCH CRUISE CONTROL MAIN SWITCH ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FUSE GRY WIRE HOT AT ALL TIMES J/C LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LT BLU WIRE MPX-B FUSE ON OFF PNK WIRE RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SPIRAL CABLE (STEERING COLUMN) STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F CANL CANH COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SPEAKER DISPLAY ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE J/C LCD DRIVER LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL ASSEMBLY) LT BLU WIRE LT GRN WIRE PARK/NEUTRAL POSITION SWITCH (TRANSMISSION) PNK WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL ASSEMBLY) RIGHT REAR SPEED SENSOR (RIGHT REAR WHEEL ASSEMBLY) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3 4 CANH CANL A/C AMPLIFIER (CENTER OF DASH) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DEICER FUSE DEICER RELAY ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FDEF FRONT WINDOW DEICER SWITCH FRONT WIPER DEICER (WINDSHIELD GLASS) (BOTTOM OF WINDSHIELD) GRN WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LH-IG FUSE (LEFT END OF DASH) MULTI-MEDIA MODULE RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PNK BATT WIRE 1 2 CANH CANL 14 6 CANL CANH 2 3 CANL CANH 29 28 CANL CANH 3 4 CANH CANL A/C AMPLIFIER (CENTER OF DASH) AIR BAG SENSOR ASSEMBLY (UNDER REAR OF CENTER FLOOR CONSOLE) BLK WIRE BLU WIRE CANL CANH CERTIFICATION ECU (RIGHT END OF DASH) COMBINATION METER ASSEMBLY DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE MPX-B FUSE NETWORK GATEWAY ECU (RIGHT CENTER OF DASH) PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) POWER STEERING ECU (RIGHT REAR CORNER OF ENGINE COMPT) RED WIRE RELAY 1 RELAY ENERGIZED RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) STEERING SENSOR (ON STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER FLOOR CONSOLE) YEL WIRE

ALT ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM NAVIGATION SYSTEM BLK WIRE BLU WIRE DEF DEFOGGER SYSTEM DRL DRLL DRLR ENGINE ROOM J/B 1 ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 FFG FFGL FFGR GNDA (-) GNDB GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HLHL HLHR HLHS HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY INTEGRATION RELAY LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LH-IG FUSE LT GRN WIRE MAIN BODY ECU P/I DC/DC FUSE P/I-B 1 FUSE PANL PNK WIRE PNL PNLS POWER WINDOWS SYSTEM RDEF RED WIRE RELAY ENERGIZED RSSH SEATS SYSTEM SHAD STOP TAIL TLP VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM