Lexus GS IV (2011-2015) yel Wiring diagrams

+S SI 14 25 11 CANL CANH BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR CORNER OF ENGINE COMPT) CAN I/F SPEAKER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ES IG+ FUSE GAUGE FUSE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LED DRIVER LT BLU WIRE LT GRN WIRE MULTI- FUNCTION INDICATOR LAMP RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 3 4 5 SLU- SLU+ SLT- SLT+ BLK WIRE BLU WIRE BRN WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ECO ECOS ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (TRANSMISSION) GRN WIRE GRY WIRE LT BLU WIRE LT GRN WIRE NORMAL OIL ORG/ WIRE PNK 23 22 25 PWR SNWI SPCN WIRE PNK SPSW WIRE PNK WIRE RED WIRE SFTU SFTD SR SLT- SLU+ SNOW SPORT SWITCH VIO WIRE W/ ADAPTIVE VARIABLE SUSPENSION W/O ADAPTIVE VARIABLE SUSPENSION WHT WIRE WHT/BLK WIRE 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

+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

5 4 FRWA 6 3 1 2 PB IG HDLO 7 4 WF EW AUTO BLK WIRE DRIVING SUPPORT ECU (LEFT END OF DASH) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE H-LP CLN FUSE HEAD HEADLIGHT CLEANER CONTROL RELAY (BELOW LEFT HEADLIGHT) HEADLIGHT CLEANER MOTOR, PUMP (ON WASHER FLUID RESERVOIR) HEADLIGHT CLEANER SWITCH HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LIGHT CONTROL SWITCH LT GRN WIRE MAIN BODY ECU OFF TAIL WASH WASH FUSE WASHER SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER MOTOR, PUMP (ON WASHER FLUID RESERVOIR) WINDSHIELD WIPER SWITCH ASSEMBLY 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

23 15 LBE- LBE+ 3 4 1 6 5 GND FSR- FSR+ IG +B 9 17 FSR+ FSR- AIR BAG SENSOR ASSEMBLY BLK WIRE BLU WIRE CAN I/F CANL CANH COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HEAD HEAD OFF AUTO TAIL HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) LH J/B-B FUSE LED DRIVER LEFT FRONT DOOR COURTESY LIGHT SWITCH (LEFT "B" PILLAR) LEFT REAR WEIGHT DETECTION SENSOR LH-IG FUSE LIGHT CONTROL SWITCH LT GRN WIRE MAIN BODY ECU MPX-B FUSE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ODS FUSE OFF AUTO TAIL PNK WIRE RED WIRE RELAY ENERGIZED RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END AIR BAG FUSE OF DASH) RIGHT FRONT SEAT INNER BELT (UNDER FRONT PASSENGER'S SEAT) RIGHT REAR WEIGHT DETECTION SENSOR SPEAKER TAIL TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 IG 1 2 3 4 5 FR+ FR- RR+ RR- GND 13 14 4 16 CANL CANH PRG RDA 2 1 F OT F IN 2 1 R OT R IN PNK WIRE 32 31 30 11 IG ALTB BECU 6 7 8 SIL ANTENNA ANTENNA AMPLIFIER ASSEMBLY (RIGHT "C" PILLAR) BLK WIRE BLU WIRE CAN I/F CERTIFICATION ECU (RIGHT END OF DASH) CLSW RDA PRG CSEL +B ALSI DATA +5 ASEL COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DRIVER TIRE PRESSURE MONITOR INITIATOR (W/ AUTO LOCATION) (RIGHT END OF DASH) ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RH-IG FUSE ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FRONT TIRE PRESSURE MONITOR INITIATOR (LEFT FRONT WHEELWELL) FUSE GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LED DRIVER LEFT COWL SIDE J/B (LEFT END OF DASH) LH J/B-B LH-IG FUSE LT GRN WIRE LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE NCA WIRE PNK 51 64 63 65 WIRE PNK 7 6 15 16 CSEL RDAM RCO ASEL WIRE PNK WIRE REAR TIRE PRESSURE MONITOR INITIATOR (LEFT SIDE OF LUGGAGE COMPT) RED WIRE RELAY ENERGIZED RR J/B-B FUSE TELLTALES TIRE PRESSURE WARNING RESET SWITCH (TIRE PRESSURE WARNING SWITCH 1) VIO WIRE 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