Lexus GS IV (2011-2015) engine room Wiring diagrams

16 14 CANL CANH 4 3 2 1 IG CANH CANL GND ALT ASSEMBLY BLK WIRE BLK/ WHT WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR BRN WIRE CAN I/F CANL CANH ESS COMPUTER DATA LINES SYSTEM COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE COMPT) ENGINE ROOM ENGINE ROOM J/B 2 (LEFT SIDE OF FRONT STEERING CONTROL ECU (UNDER GLOVE COMPT) GNDB GRY WIRE HOT AT ALL TIMES INTEGRATION RELAY J/B 1 (RIGHT REAR OF ENGINE COMPT) LED DRIVER LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LT GRN WIRE P/I ALT FUSE PNK +BO WIRE PNK BAT WIRE PNK W/ VGRS WIRE PNK WIRE RED WIRE SPEAKER STOP STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) SUB-ASSEMBLY) (BRAKE FLUID RESERVOIR) TELLTALES VIO WIRE W/O VGRS W/O VGRS W/ VGRS STEERING SENSOR (ON STEERING COLUMN) WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER FLOOR CONSOLE) YEL WIRE

10 11 12 LED+ LED- 11 10 12 LED- LED+ 13 3 4 6 16 1 CYL SIG CPUB BDR BCUT GND 33 32 4 31 1 PNK PNK WIRE 13 3 6 7 8 4 1 CYL SIG BDR CANN CANP CPUB GND 7 8 COMPUTER CANN CANP DATA LINES SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DASH) DRIVER LED ENGINE ROOM F/L DOOR FUSE F/R DOOR FUSE FOOTWELL) GAUGE R/B 1 FUSE (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT AMBIENT LIGHT (LEFT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "B" PILLAR) LEFT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY LEFT FRONT MULTIPLEX NETWORK DOOR ECU (IN LEFT FRONT DOOR) LEFT OUTER REAR VIEW MIRROR ASSEMBLY LT BLU WIRE LT GRN WIRE MLP OF DASH) P/W-B FUSE PNK PNK WIRE PNK WIRE RED WIRE RELAY ENERGIZED RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END RH-IG FUSE RIGHT FRONT AMBIENT LIGHT (RIGHT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (RIGHT "B" PILLAR) RIGHT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY RIGHT FRONT MULTIPLEX NETWORK DOOR ECU (IN RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

COMPUTER PNK DATA LINES SYSTEM WIRE ENGINE ROOM GRN WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B STOP (LEFT END FUSE OF DASH) HOT W/ HOT W/ IGCT RELAY ENERGIZED IGCT 5 R/B 1 FUSE (LEFT SIDE OF ENGINE COMPT) LH-IG FUSE LT GRN WIRE P POSITION DETECTION SWITCH POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE RELAY ENERGIZED SHIFT LEVER POSITION SENSOR SLS+ IG STP SLS- SHIFT LOCK SOLENOID TRANSMISSION WHT WIRE WHT/BLK 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

1 2 3 4 5 6 7 8 9 10 11 12 IG STP SP+ 8 9 CANL CANH BLK WIRE BLU WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE OIL PRESSURE SWITCH ASSEMBLY (LOWER LEFT FRONT OF ENGINE) ENGINE ROOM GAUGE FUSE R/B 1 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDEL J/B (LEFT SIDE OF DASH) LH J/B-B FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE MAIN BODY ECU MPX-B FUSE PNK WIRE RED WIRE RELAY ENERGIZED RH ECU-IG FUSE RIGHT COWL SIDE J/B (RIGHT SIDE OF DASH) SFTP SFTP OPSW SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) SPD GND SP- VEHICLE APPROACHING SPEAKER ASSEMBLY VEHICLE APPROACHING SPEAKER CONTROLLER (RIGHT SIDE OF LUGGAGE COMPARTMENT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE