Lexus GS IV (2011-2015) certification ecu (right end of dash) Wiring diagrams

14 6 CANL CANH 2 3 CANL CANH 22 13 CANL CANH 25 24 PNK WIRE 29 28 CANL CANH 3 4 CANH CANL 4 2 CANH CANL A/C AMPLIFIER (CENTER OF DASH) AIR BAG SENSOR ASSEMBLY BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMBINATION METER ASSEMBLY DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) GRN WIRE GRY WIRE 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 SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) STEERING SENSOR (ON STEERING COLUMN) VIO WIRE WHT WIRE YAW RATE SENSOR (UNDER CENTER FLOOR CONSOLE) YEL WIRE

1 13 14 15 PNK WIRE 1 2 EC +B PNK WIRE 3 24 12 21 22 28 29 20 23 MREL SPD ST- ACCD ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE CANL CANH CCS CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM DIODE (A/T SHIFT) EFI MAIN FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES J/C LT BLU WIRE LT GRN WIRE M+ M- VCTA NCA WIRE NETWORK GATEWAY ECU (BEHIND RIGHT CENTER OF DASH) PNK WIRE RELAY RH ECU-IG RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) RLY 1 RELAY ENERGIZED THROTTLE BODY ASSEMBLY W/ MOTOR (TOP OF ENGINE) VIO WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CANH CANL TXCT CUTB +B SWIL 18 19 PNK WIRE AGND BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) CLGB COMPUTER DATA LINES SYSTEM ELECTRICAL KEY ANTENNA INDOOR ASSEMBLY 2 (LEFT "C" PILLAR) GRN WIRE GRY WIRE IND LEFT REAR DOOR OUTSIDE HANDLE ASSEMBLY LT BLU WIRE LT GRN WIRE LUGGAGE ELECTRICAL KEY SWITCH MULTI-MEDIA MODULE RECEIVER ASSEMBLY PNK LIN CODE WIRE PNK WIRE RCO ASEL RDAM CSEL PNK WIRE RED WIRE RIGHT FRONT DOOR OUTSIDE HANDLE ASSEMBLY RIGHT REAR DOOR OUTSIDE HANDLE ASSEMBLY SECURITY INDICATOR SENS SEUC TRG+ 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 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

29 28 11 24 25 IMI IMO PNK PNK WIRE 5 1 2 12 +B CANH CANL LIN CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM ECU-B ROOM R/B FUSE (LEFT SIDE OF ENGINE COMPT) EFIO ENGINE GRY WIRE HOT AT ALL TIMES ID CODE BOX (CENTER OF DASH) J/C LT GRN WIRE PNK EFII WIRE PNK LIN WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) STEERING LOCK ACTUATOR ASSEMBLY (ON STEERING COLUMN) WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 GND +B CANP 1 2 CANH CANL 25 24 PNK WIRE 8 9 10 11 12 13 14 15 16 17 18 19 20 PNK ECUB IG CANN WIRE BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES LEFT COWL SIDE J/B TI, TE (LEFT END FUSE OF DASH) IGCT 1 FUSE IGCT 5 FUSE IGCT RELAY LEFT FRONT MULTIPLEX NETWORK DOOR ECU (IN LEFT FRONT DOOR) LEFT SEAT MEMORY SWITCH LH-IG FUSE LT BLU WIRE LT GRN WIRE MM MSWE CANN CANP GND PNK WIRE MPX-B FUSE MSW MSW TEM- TIM- MULTIPLEX TILT, TELESCOPIC ECU (ON STEERING COLUMN) PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE RELAY ENERGIZED SET- TELESCO SHORTEN TELESCO STRETCH TELESCOPIC MOTOR TEM TES TILT DOWN TILT MOTOR TILT STEERING GEAR W/ MOTOR (UNDER LEFT SIDE OF DASH) TILT UP TILT, TELESCOPIC SWITCH TIM TIS VC TEM+ TIM+ VCE VCI VCI VCE TES TIS PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

11 10 PNK CUTB WIRE 4 24 ACCD AGND AIR CONDITIONING SYSTEM AVS FUSE BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT, WARNING SYSTEMS ELECTRONIC POWER STEERING SYSTEM ELECTRONIC SUSPENSION SYSTEM ENGINE CONTROLS, TRANSMISSIONS SYSTEMS ENGINE SWITCH FR P/OUTLET FUSE FR PWR OUTLET RELAY FR+ FR- FROM FROM ENGINE ROOM J/B 1 (DIAGRAM 1 OF 4) FROM ENGINE ROOM J/B 2 (DIAGRAM 2 OF 4) FROM LEFT COWL SIDE J/B (DIAGRAM 2 OF 4) FROM RIGHT COWL SIDE J/B (DIAGRAM 1 OF 4) FROM RIGHT COWL SIDE J/B (DIAGRAM 2 OF 4) +B FUSE FUSE FUSE GRN WIRE GRY WIRE INSTRUMENT CLUSTER, NAVIGATION, SOUND SYSTEMS LT GRN WIRE MAIN BODY ECU LEFT COWL SIDE J/B (BEHIND (LEFT SIDE LEFT END OF DASH) OF DASH) MEMORY SEATS SYSTEMS SYSTEM MEMORY SYSTEMS NAVIGATION SYSTEM NAVIGATION, SOUND SYSTEMS AIR CONDITIONING ANTI-LOCK SYSTEM BRAKES SYSTEM OBD FUSE PASSIVE RESTRAINTS SYSTEM PNK WIRE POWER OUTLET SOCKET ASSEMBLY POWER WINDOWS, DOOR LOCKS, ANTI-THEFT, MEMORY SYSTEMS REAR POWER OUTLET SOCKET ASSEMBLY 2 RELAY RH-IG WASH FUSE FUSE RIGHT END OF DASH) RR P/OUTLET FUSE RR PWR OUTLET RELAY SEATS SYSTEM SEATS, MEMORY SYSTEMS SEATS, NAVIGATION, SOUND SYSTEMS SHIFT INSTRU- INTERL- MENT OCK, CLUSTER TRANSMI- SYSTEM SSIONS SYSTEM SHIFT INTERLOCK SYSTEM STRG HTR FUSE SUPPLEM- ENTAL RESTRAINTS TO LEFT COWL SIDE J/B (DIAGRAM 4 OF 4) TO WASH FUSE (DIAGRAM 3 OF 4) RH ECU-IG FUSE VIO WIRE WARNING SYSTEMS WHT WIRE WHT/BLK WIRE WIPER/ TRANSMISSIONS COMPUTER WASHER SYSTEM DATA LINES SYSTEM SYSTEM YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CANH CANL TXCT CUTB +B SWIL 18 19 PNK WIRE AGND BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) CLGB COMPUTER DATA LINES SYSTEM ELECTRICAL KEY ANTENNA INDOOR ASSEMBLY 2 (LEFT "C" PILLAR) GRN WIRE GRY WIRE IND LEFT REAR DOOR OUTSIDE HANDLE ASSEMBLY LT BLU WIRE LT GRN WIRE LUGGAGE ELECTRICAL KEY SWITCH MULTI-MEDIA MODULE RECEIVER ASSEMBLY PNK LIN CODE WIRE PNK WIRE RCO ASEL RDAM CSEL PNK WIRE RED WIRE RIGHT FRONT DOOR OUTSIDE HANDLE ASSEMBLY RIGHT REAR DOOR OUTSIDE HANDLE ASSEMBLY SECURITY INDICATOR SENS SEUC TRG+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

13 14 29 20 CANL CANH NSW STA AGND CANL CANH BATTERY BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ENGINE GND SWITCH ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES JUNCTION CONNECTOR LT GRN WIRE PARK/NEUTRAL POSITION SWITCH (TRANSMISSION) RED WIRE RIGHT END OF DASH) ST FUSE ST RELAY STA STAR STARTER ASSEMBLY VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM CONTROL ECU (RIGHT END OF DASH) FUSE GRN WIRE HOT AT ALL TIMES ID CODE BOX (CENTER OF DASH) IGE J/C LEFT COWL SIDE J/B (LEFT END OF DASH) PNK LIN 1 WIRE PNK LIN WIRE PNK PNK PNK PNK 14 13 15 12 WIRE PNK WIRE POWER MANAGEMENT RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) SL/R SLP STEERING LOCK ACTUATOR (ON STEERING COLUMN) STRG LOCK FUSE WHT WIRE WHT/BLK WIRE