Lexus LS IV (2006-2012) wht/blk Wiring diagrams

A/C PRESSURE SENSOR (LIQUID TUBE SUB-ASSEMBLY) (LEFT FRONT OF ENGINE COMPT) BLK WIRE BLU WIRE BRN WIRE CANP CANN COMPUTER DATA LINES SYSTEM COOLING FAN ECU COOLING FAN MOTOR (MAIN) (LEFT SIDE OF RADIATOR) COOLING FAN MOTOR (SUB) (RIGHT SIDE OF RADIATOR) E.F.I. ENGINE COOLANT TEMPERATURE SENSOR (FRONT LEFT OF ENGINE) E/G ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 5 (RIGHT FRONT OF ENGINE COMPT) FAN 1 FUSE FAN 1 RELAY FUSE GRN WIRE HOT AT ALL TIMES FUSIBLE LINK BLOCK ASSEMBLY 1 (RIGHT REAR OF ENGINE COMPT) HOT IN ON OR START J/C MULTIPLEX NETWORK FRONT LIGHT ECU (RIGHT FRONT OF ENGINE COMPT) RED/BLU WIRE SG PRS WHT WIRE WHT/BLK WIRE

+BM ACCELERATOR POSITION SENSOR (LEFT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CANN CANP CCHG COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) DRIVING SUPPORT ECU (LEFT KICK PANEL) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FCAS FRONT CENTER MILLIMETER WAVE RADAR SENSOR (FRONT CENTER OF ENGINE COMPT) FUSE GND SGND CCS GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES STOP FUSE HOT IN ON OR START IGB LT GRN WIRE ORG/ WIRE PNK WIRE PRE-COLLISION SYSTEM CANCEL SWITCH RED WIRE SGND STP+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE C/OPN RELAY COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH DRIVER SIDE J/B (LEFT END OF DASH) ECU-IG FUSE EFI EFI MAIN EFI FUSE MAIN RELAY ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) ETCS FUSE FUSE GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START E/G RM- J/B 5 (LEFT SIDE OF DASH) LT GRN WIRE NCA WIRE ON- +RES -SET MODE OFF PNK WIRE RED WIRE RELAY SPIRAL CABLE (IN STEERING COLUMN) STEERING PAD SWITCH W/ MODULATOR STEERING SWITCH ECU THROTTLE POSITION SENSOR (ON THROTTLE BODY) TRANSMISSIONS SYSTEM VIO WIRE W/ PADDLE SHIFT SWITCH W/O PADDLE SHIFT SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

+BM +RES ON- -SET OFF 13 8 12 STP IGSW 15 9 10 13 14 CCS CAN- CAN+ CANL CANH 28 18 CAN- CAN+ 29 20 23 28 21 22 VPA EPA VCPA 7 3 BATT MREL PNK WIRE ACCELERATOR POSITION SENSOR (LEFT SIDE OF DASH) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE C/OPN RELAY COMPUTER DATA LINE SYSTEM CRUISE CONTROL MAIN SWITCH DRIVER SIDE J/B (LEFT END OF DASH) ECU-IG FUSE EFI EFI MAIN EFI FUSE MAIN RELAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) ETA M+ M- ETCS FUSE FUSE GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START E/G RM- J/B 5 (LEFT SIDE OF DASH) NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RELAY SPIRAL CABLE (IN STEERING COLUMN) TRANSMISSIONS SYSTEM VIO WIRE VTA VCTA W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT WHT WIRE WHT/BLK WIRE YEL WIRE

BAT DLC 3 (LEFT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) CG SG CANH SIL DCM (TELEMATICS TRANSCEIVER) (RIGHT END OF DASH) DIA DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRN WIRE HIGH/LOW BUS CIRCUIT HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) LUGGAGE ROOM J/B OBD FUSE (LEFT SIDE OF LUGGAGE COMPT) OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) OPA TS TC CANL ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE SIL SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) STEERING CONTROL ECU (RIGHT SIDE OF DASH) SUSPENSION CONTROL ECU (RIGHT END OF DASH) TAC TACH VIO WIRE WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 RZG SRZG RZV TRQV 1 2 3 4 5 6 7 8 9 10 11 COMPUTER DATA LINES SYSTEM 1 2 PIG VGND 5 7 1 IG ASST BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM EPS ECU FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START ENGINE ROOM J/B 2 E/G (RIGHT SIDE OF ENGINE FUSE COMPT) HOT IN ON OR START LUGGAGE ROOM J/B (LEFT SIDE FUSE OF LUGGAGE COMPT) IG ASST INCS INSN JUNCTION CONNECTOR LT BLU WIRE MICRO COMPUTER NCA WIRE OUCS OUSN P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PIG PGND +B POWER POWER STEERING CONVERTER ASSEMBLY POWER STEERING ECU ASSEMBLY (RIGHT SIDE OF ENGINE COMPT) POWER STEERING MOTOR (FRONT CENTER OF ENGINE COMPT) PS IND RED WIRE RED/BLK WIRE RED/BLU WIRE RZCS RZG RZSN RZSN RZCS INSN INCS OUSN OUCS RZV STEERING TORQUE SENSOR (FRONT OF ENGINE COMPT) SUPPLY WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/RED WIRE BLU WIRE CANN CANP COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DEICER FUSE DEICER RELAY DISPLAY, NAVIGATION MODULE DISPLAY ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FDEF FR CTRL ALT FUSE FRONT WIPER DEICER (WINDSHIELD GLASS) (LEFT REAR OF ENGINE COMPT) FRONT WIPER DEICER SWITCH HOT AT ALL TIMES MULTIPLEX NETWORK FRONT LIGHT ECU (RIGHT FRONT OF ENGINE COMPT) R/B 3 (LEFT REAR OF ENGINE COMPT) RED WIRE SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

21 22 CANH CANL BLK WIRE BLU WIRE CANN CANP GND COMPUTER DATA LINES SYSTEM D DOOR 2 FUSE DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B P DOOR 2 (RIGHT END FUSE OF DASH) HTR LEFT FRONT MULTIPLEX NETWORK DOOR ECU (DRIVER'S DOOR) LEFT OUTER REAR VIEW MIRROR (AT MIRROR) MIRROR HEATER REAR WINDOW DEFOGGER SWITCH RED WIRE RIGHT FRONT MULTIPLEX NETWORK DOOR ECU (FRONT PASSENGER'S DOOR) RIGHT OUTER REAR VIEW MIRROR (AT MIRROR) WHT WIRE WHT/BLK WIRE YEL WIRE

5 15 ATX+ ATX- 6 7 PNK WIRE 8 9 29 30 PNK CANL CANH WIRE 9 10 TX+ TX- BLK WIRE BLU WIRE CAN (+) CANL CANH CAN- CAN+ CANN CANP DRIVER MONITOR ECU ENGINE CONTROL MODULE FRONT CENTER MILLIMETER WAVE RADAR SENSOR FRONT CONTROLLER (RIGHT FRONT OF ENGINE COMPT) GRN WIRE INTEGRATION CONTROL, PANEL ASSEMBLY LT GRN WIRE OF LUGGAGE COMPT) PARKING BRAKE ECU (LEFT SIDE PNK WIRE RADIO RECEIVER ASSEMBLY (W/O MULTI DISPLAY) RED WIRE RIGHT FRONT POWER SEAT CONTROL ECU, SWITCH (UNDER FRONT PASSENGER'S SEAT) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) ST-PLUG TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

12 13 CANH CANL 13 22 CANH CANL 15 14 CANH CANL 21 20 CANL CANH 3 4 CANH CANL 6 5 CANL CANH 9 10 TX+ TX- A/C AMPLIFIER (CENTER OF DASH) AFS ECU (RIGHT KICK PANEL) AIR PBEW DR ARON BLK WIRE BLK/WHT WIRE BLU WIRE CANL CANH CENTER AIR BAG ECU (UNDER CENTER FLOOR CONSOLE) COMBINATION METER CONSOLE SWITCH DLC 3 (LEFT SIDE OF DASH) DRIVER SIDE J/B (LEFT END OF DASH) ELECTRIC POWER CONTROL ECU ENGINE CONTROL MODULE FRONT PASSENGER'S SEAT BELT WARNING LIGHT FRONT WIPER DEICER SWITCH FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HILL HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INTEGRATION CONTROL, PANEL ASSEMBLY J/B 3 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) P-ACC FUSE PASSENGER AIR BAG ON/OFF INDICATOR PASSENGER SIDE J/B (RIGHT END OF DASH) PNK TC WIRE PNK WIRE RADIO 1 FUSE RADIO RECEIVER ASSEMBLY REAR DOOR SUNSHADE SWITCH REAR SEAT CLIMATE CONTROL SWITCH REAR SEAT CLIMATE CONTROL SWITCH IND REAR SEAT HEATER SWITCH REAR SEAT CLIMATE CONTROL SWITCH REAR SEAT RETURN SWITCH REAR SUNSHADE SWITCH REAR WINDOW DEFOGGER SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) SKID CONTROL ECU SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM WARNING SYSTEMS INTERIOR LIGHTS SYSTEM VIO WIRE W/O MULTI DISPLAY WHT/BLK WIRE