Lexus GS IV (2011-2015) lt blu Wiring diagrams

+BC BLK WIRE BLU WIRE BRAKE CONTROL POWER SUPPLY (CENTER FRONT OF HV SUPPLY BATTERY ASSEMBLY) BRN WIRE CAPACITOR (HV) FUSE COMPUTER DATA LINES SYSTEM CSS+ ENA ENERGIZED RH COWL ECU IG SIDE J/B FUSE (RIGHT END OF DASH) FAIL FLA- FLA+ FL+ FL- FLR+ FLR- FUSE GRN WIRE GRY WIRE HOLD SWITCH HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) MPX HOT W/ RH HZRI J/C LEFT "C" PILLAR) LEFT COWL SIDE J/B LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LH (LEFT END OF DASH) FUSE LT BLU WIRE LT GRN WIRE NCA WIRE NIGHT VIEW NIGHT VIEW ECU (RIGHT SIDE OF LUGGAGE COMPT) NVSW PFL PNK WIRE PRR- RED WIRE RELAY ENERGIZED RIGHT RIGHT REAR SPEED SENSOR (RIGHT REAR WHEEL ASSEMBLY) RR+ RR- CANH CANL RRA- RRA+ RRR+ RRR- SATELLITE SET SWITCH SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

1 2 3 4 5 6 SG-1 2 1 45 46 CANL CANH 22 20 13 14 9 2 CLTE CLTB CANL CANH 7 8 9 10 11 12 13 14 15 16 17 18 19 20 TSD TSP PRE TAM A/C AMPLIFIER (CENTER OF DASH) A/C FUSE A/C PRESSURE SENSOR (LIQUID TUBE SUB-ASSEMBLY) (LEFT FRONT OF ENGINE COMPT) A/C SWITCH ACCESSORY METER ASSEMBLY (W/ NAVIGATION) AUTOMATIC LIGHT CONTROL SENSOR (UPPER RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CLTB CLTE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CANH CANL DEFOGGER SYSTEM DGS ECO MODE SWITCH ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IG+ TX+ TX- RLIN LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE LUGGAGE MAIN BODY ECU (LEFT END OF DASH) MULTI-DISPLAY (W/O NAVIGATION) MULTIMEDIA MODULE RECEIVER ASSEMBLY NANO LOUT ROUT SEATS SYSTEM PNK 24 25 PNK WIRE PNK ECOS SHPE SHDE SEATS SYSTEM WIRE PNK PNK WIRE PNK TR TFAL TFAR TSL TSR WIRE PNK WIRE REAR CONTROL SWITCH REAR SIDE A/C SWITCH RED WIRE RELAY ENERGIZED RH-IG (RIGHT END FUSE OF DASH) RIGHT COWL SIDE J/B ROOM TEMPERATURE SENSOR (COOLER THERMISTOR) (LOWER LEFT CENTER OF DASH) RR ROOM ECU-IG J/B 1 FUSE (LEFT SIDE OF LUGGAGE COMPT) SEATS SYSTEM SEATS SYSTEM PNK RLIN NAIN IDH FDEF RDEF WIRE SHP+ SHD+ SEATS PNK SYSTEM WIRE SOLAR SENSOR TSL TSR TX- TX+ VIO WIRE W/ ION GENERATOR 1 SUB-ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

+B GND SI 1 2 ACPE ACPB A/C AMPLIFIER (CENTER OF DASH) A/C W/P FUSE FAN 1 FUSE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU (ON COOLING FAN MOTOR) DGS 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) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FAN 1 RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES HTR FUSE PTC 1 FUSE FUSE HUMIDITY SENSOR (A/C THERMISTOR ASSEMBLY) (IN OVERHEAD CONSOLE) IDH INVERTER W/ CONVERTER (RIGHT REAR CORNER OF ENGINE COMPT) ION GENERATOR 1 (IF EQUIPPED) (CENTER OF DASH) LT BLU WIRE LT GRN WIRE ORG/ WIRE PCL PTC 1 RELAY (IF EQUIPPED) PTC 2 + PTC 2 RELAY (IF EQUIPPED) RED WIRE RFC RIGHT END OF DASH) SEATS SEATS SYSTEM SYSTEM SG-2 SG-3 SG-4 SG-5 TFG TNG VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

+B MREL BATT 10 23 STP CCS 12 25 3 2 46 1 CANP CANN 125 128 126 127 108 30 29 ETA 25 24 22 PNK WIRE 4 1 3 6 MREL ACCELERATOR PEDAL SENSOR ASSEMBLY (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CONTROL MAIN SWITCH ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) EFI MAIN FUSE EFI MAIN RELAY 1 EFI MAIN RELAY 2 ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RH ECU-IG FUSE ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) F/PMP FUSE FUEL PUMP CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES IGCT 1 FUSE IGCT 5 FUSE IGCT RELAY J/C LT BLU WIRE LT GRN WIRE M- M+ NCA WIRE ON OFF PNK PNK WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE SFTD SFTU SHIFT LEVER POSITION SENSOR (TRANSMISSION) SPIRAL CABLE (IN STEERING COLUMN) THROTTLE BODY W/ MOTOR ASSEMBLY (TOP REAR OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+S +B 14 13 CANH CANL 2 4 1 ES SIG MPX PNK WIRE 4 5 20 2 8 3 7 PNK WIRE 4 7 EW WF AUTO WIPER SWITCH BLK WIRE BLU WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DOWN DRIVING SUPPORT ECU (LEFT END OF DASH) ENERGIZED RIGHT COWL SIDE WASH FUSE J/B (RIGHT END OF DASH) ENGINE ROOM R/B 3 (LEFT REAR OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HI UP NORMAL HI UP NORMAL DOWN OFF HOT W/ INT RELAY LED DRIVER LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU ACAN MAP LIGHT ASSEMBLY OF DASH) OFF WIPER SWITCH PNK 15 1 26 WIRE PNK WIRE RAIN SENSOR (FRONT CENTER OF ROOF) RED WIRE TAIL TELTALES I/F VIO WIRE VOLUME SWITCH INT SWITCH WASH WASHER SWITCH WATER LEVEL WARNING SWITCH (IN WASHER FLUID RESERVOIR) WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER MOTOR, PUMP (ON WASHER FLUID RESERVOIR) WINDSHIELD WIPER SWITCH ASSEMBLY WIP RELAY WIP-S FUSE YEL WIRE

13 14 CANL CANH 31 32 30 ALTB IG BECU 7 10 6 11 9 12 +B +5 CSEL ASEL DATA GND 7 12 CSWE 9 10 3 5 8 CANP CANN ASEL BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) CLUTCH COMPUTER DATA LINES SYSTEM CPS+ CPSE CSEL CSG CSV PAWL SWG ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LEFT COWL SIDE J/B (LEFT END OF DASH) LH J/B-B FUSE LH-IG FUSE LT BLU WIRE LUGGAGE CLOSER MOTOR ASSEMBLY (LEFT FRONT OF LUGGAGE COMPT) LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE DOOR OPENING CANCEL LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU (LEFT END OF DASH) MONITORING SYSTEM RECEIVER ASSEMBLY) MPX-B FUSE OF DASH) ORG/ WIRE PAWL HAWL CLS FSW PNK ECUB GND WIRE PNK WIRE POWER TRUNK LID CLOSE SWITCH DOOR CONTROL SWITCH PTL FUSE RDAM RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END RLY 1 RELAY ENERGIZED RR ECU-IG FUSE RR J/B-B FUSE SWITCH ASSEMBLY TMSW TSW WHT WIRE WHT/BLK WIRE YEL WIRE

22 24 16 LSWE KUL KL 3 7 8 1 SIG CANN CANP GND 7 32 11 10 30 6 ACTG IG 9 10 3 5 8 CANP CANN ACTD BECU TR+ BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM D DOOR UNLOCK RELAY D/L 1 FUSE D/L 2 FUSE ENGINE ROOM FLLK (UNDER CENTER CONSOLE) FUEL LID LOCK W/ MOTOR ASSEMBLY (LEFT SIDE OF LUGGAGE COMPT) FUEL OPN RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) TRK OPN FUSE LEFT FRONT DOOR LOCK ASSEMBLY (REAR OF LEFT FRONT DOOR) LEFT FRONT MULTIPLEX NETWORK DOOR ECU (IN LEFT FRONT DOOR) LH J/B-B FUSE LOCK LOCK UN- LT BLU WIRE LT GRN WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE DOOR OPENING CANCEL LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE ECU-B FUSE R/B 1 (LEFT SIDE OF ENGINE COMPT) PNK 19 13 14 LGCY CANL CANH WIRE PNK PNK WIRE PNK WIRE POWER CHANGE RELAY RED WIRE RELAY ENERGIZED LEFT COWL SIDE J/B LH-IG FUSE (LEFT END OF DASH) RIGHT COWL SIDE J/B (RIGHT END OF DASH) SWITCH ASSEMBLY TMSW TSW TRK OPN RELAY VIO WIRE 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 GRN WIRE GRY WIRE KNOCK CONTROL SENSOR (BANK 1) (TOP RIGHT SIDE OF ENGINE) KNOCK CONTROL SENSOR (BANK 2) (TOP LEFT SIDE OF ENGINE) LED DRIVER LT BLU WIRE LT GRN WIRE MALFUNCTION IND LAMP PNK WIRE RED WIRE SHIELD SKID CONTROL ECU (W/ ACTUATOR) (LEFT REAR OF ENGINE COMPT) SPEAKERS TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ENGINE OIL LEVEL SENSOR (RIGHT SIDE OF ENGINE OIL PAN) ENGINE OIL PRESSURE SWITCH (LOWER LEFT FRONT OF ENGINE) EVSW FUSE (RIGHT END OF DASH) GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES RIGHT COWL SIDE J/B IREL PRG LOIL LT BLU WIRE LT GRN WIRE M- M+ PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE RED/BLK WIRE RELAY ENERGIZED ENGINE ROOM GAUGE FUSE R/B 1 (LEFT SIDE OF ENGINE COMPT) RIGHT COWL SIDE J/B (RIGHT END OF DASH) SHIELD SPDI THA VIO WIRE VSV (PURGE) (TOP RIGHT REAR OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE

+BWP AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BRN WIRE CLK+ CLK- CLK+ HSDN REQ- REQ+ HTM- HTM+ ENGINE COMPT) GCS GCSG GI MTH- MTH+ ILK NODD GMT GMTG GRF GRFG GRN WIRE GRY WIRE GSN GSNG HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 OIL PMP FUSE (LEFT SIDE OF ENGINE COMPT) HSDN HTM- HYBRID VEHICLE GENERATOR HYBRID VEHICLE TRANSMISSION ASSEMBLY IGCT 1 FUSE IGCT 2 FUSE IGCT 3 FUSE IGCT 4 FUSE IGCT 5 FUSE IGCT RELAY ILK ILKO INTERLOCK SWITCH (SERVICE PLUG GRIP) (RIGHT FRONT OF HV SUPPLY BATTERY ASSEMBLY) INV W/P FUSE INV W/P RELAY INVERTER W/ CONVERTER ASSEMBLY (RIGHT REAR CORNER OF ENGINE COMPT) LT BLU WIRE LT GRN WIRE MREL FCTL MTH+ NIWP IWP VLO NWP OIL PUMP RELAY ORG/ WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE SHIELD SHIELD 7 6 4 2 5 3 1 SWP TPST VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE