Lexus GS IV (2011-2015) engine room r/b 1 (left side of engine compt) Wiring diagrams

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

1 2 3 4 5 6 7 8 M- M+ 10 6 5 VT TSEN AUTO AUTO IND BLK WIRE BLU WIRE CAN I/F CANH CANL 28 29 COMPUTER DATA LINES SYSTEM COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B 3 FUSE ELECTRIC PARKING BRAKE SWITCH ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) EPB GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSIBLE LINK EPB FUSE BLOCK (LEFT REAR OF LUGGAGE COMPT) HOT AT ALL TIMES LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) HOT W/ IG AUTO PNK WIRE ILL ILL IND LED DRIVER LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LOCK LPA TX +B MPX-B FUSE NCA WIRE PARKING BRAKE ACTUATOR (LEFT REAR OF LUGGAGE COMPT) PARKING BRAKE ECU (LEFT SIDE OF LUGGAGE COMPT) PARKING LIGHT SWITCH ASSEMBLY PNK WIRE RED WIRE RELEASE RR ECU-IG FUSE TELLTALES TGND TGND 1 2 VIO WIRE VT TSEN WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 PNK IG WIRE 13 14 CANL CANH 30 16 2 BECU 31 32 ALTB IG 5 15 LIN BLK WIRE BLU WIRE BRN WIRE CAN I/F CLOSE CLS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DOWN ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HOT AT ALL TIMES I/F LED DRIVER ILLB LEFT COWL SIDE J/B LEFT FRONT DOOR COURTESY SWITCH (LEFT FRONT "B" PILLAR) LH J/B-B FUSE LH-IG FUSE LILL LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MAP LIGHT ASSEMBLY MPX-B FUSE OPN PNK WIRE RED WIRE RELAY ENERGIZED S/ROOF FUSE SLIDING ROOF CONTROL SWITCH SLIDING ROOF SWITCH SPEAKER TELLTALES UP CLS DWN OPN VIO WIRE WHT WIRE WHT/BLK WIRE 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

+B PGND 1 2 3 4 5 6 7 8 9 10 MOR- MOR+ MOL+ MOL- 1 2 3 4 5 6 7 8 CANH CANL 29 30 COMPUTER DATA LINES SYSTEM 5 39 PBSW COMPUTER DATA LINES SYSTEM 17 18 40 BLK WIRE BLU WIRE CAN I/F CANH CANL 28 29 30 COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU (LEFT END OF DASH) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HOT AT ALL TIMES LUGGAGE PSB FUSE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) HOT IN ON OR START RIGHT COWL COWL SIDE J/B RH ECU IG FUSE (RIGHT END OF DASH) JUNCTION CONNECTOR LEFT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF LEFT "B" PILLAR) LT GRN WIRE MILLIMETER WAVE RADAR SENSOR (CENTER OF FRONT FASCIA) PRE-COLLISION SYSTEM CANCEL SWITCH ASSEMBLY RED WIRE RIGHT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF RIGHT "B" PILLAR) SEAT BELT CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CB+ CGND COMPUTER DATA LINES SYSTEM CURT CV+ ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES ILL LIGHTS SYSTEM INTERIOR LINES SYSTEM COMPUTER DATA LT BLU WIRE LT GRN WIRE MCI- MCO- MCVD MI+ MO- MUTE PNK WIRE REAR TELEVISION CAMERA (CENTER REAR OF LUGGAGE COMPT LID) RED WIRE REMOTE OPERATION SWITCH SGND SHIELD TV FUSE USB USBG USBV VMTI VOR- VOT+ W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WUI WUO YEL WIRE

ALT BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ENERGIZED LEFT COWL SIDE J/B LH IG (LEFT FUSE END OF DASH) ENGINE ROOM J/B 1 ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROL SWITCH GNDA (-) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGCT RELAY ENERGIZED IGCT 5 FUSE INTEGRATION RELAY LH J/B-B FUSE MAIN BODY ECU MPX-B FUSE P/I DC/DC FUSE PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) REAR CONTROL SWITCH REAR ECU SUNSHADE SWITCH REAR SUNSHADE RELAY (REAR WINDOW SHADE ASSEMBLY) (UNDER REAR PARCEL SHELF) REAR SUNSHADE SWITCH ASSEMBLY RED WIRE REV RSSH RSW SHAD SHIFT LEVER POSITION SENSOR (TRANSMISSION) 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

13 26 CANH CANL AIR BAG SENSOR ASSEMBLY (UNDER REAR OF CENTER FLOOR CONSOLE) BBR+ BCR+ BDR BLK WIRE BLU WIRE BUCKLE SWITCH CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FSR+ DIA GND FSR- +B IG GAUGE FUSE HOT AT ALL TIMES ICR+ JUNCTION LED DRIVER LEFT REAR WEIGHT DETECTION SENSOR OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ODS FUSE PASSIVE RESTRAINTS SYSTEM PR- PRR- RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT SEAT INNER BELT (UNDER FRONT PASSENGER'S SEAT) RIGHT REAR AIR BAG SENSOR (UNDER RIGHT REAR SEAT) RIGHT REAR WEIGHT DETECTION SENSOR RIGHT SIDE AIR BAG SENSOR (IN RIGHT "B" PILLAR) RIGHT SIDE DOOR AIR BAG SENSOR (IN RIGHT FRONT DOOR) SFR- SRR+ TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK 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