Lexus LS IV (2006-2012) spiral cable (in steering column) Wiring diagrams

2 3 CANH CANL 27 28 CANP CANN 5 14 CANP CANN 5 6 CANP CANN 9 10 CANN CANP BLK WIRE CANN CANP CERTIFICATION ECU (LEFT END OF DASH) COMBINATION METER GRN WIRE MULTIPLEX TILT, TELESCOPIC ECU (ON STEERING COLUMN) OUTER MIRROR SWITCH ASSEMBLY PNK WIRE RED WIRE RIGHT FRONT DOOR CONTROL ECU (FRONT PASSENGER'S DOOR) SPIRAL CABLE (IN STEERING COLUMN) VIO WIRE WHT WIRE WINDSHIELD WIPER SWITCH

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

2 3 CANP CANN 20 21 22 23 CANH CANL CANP CANN 25 24 CANP CANN 27 28 CANP CANN 28 20 CANN CANP 4- SEATER 5 14 CANP CANN 5 6 16 15 CANH CANL CANP CANN 5 6 CANP CANN 5- SEATER 9 10 CANN CANP 9 10 CANP CANN BLK WIRE BRN WIRE CANH(OR)CANP CANL(OR)CANN CANN CANP CERTIFICATION ECU (LEFT END OF DASH) COMBINATION METER DRIVING SUPPORT ECU (LEFT KICK PANEL) GRN WIRE LEFT FRONT DOOR CONTROL ECU (DRIVER'S DOOR) LEFT FRONT POWER SEAT CONTROL ECU, SWITCH (UNDER DRIVER'S SEAT) LEFT REAR DOOR CONTROL ECU (LEFT REAR DOOR) MAIN BODY ECU (LEFT END OF DASH) MPX MULTIPLEX TILT, TELESCOPIC ECU (ON STEERING COLUMN) OUTER MIRROR SWITCH ASSEMBLY POWER TRUNK LID CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) REAR CONSOLE SWITCH REAR JUNCTION BLOCK ECU (LEFT SIDE OF LUGGAGE COMPT) RED WIRE SPIRAL CABLE (IN STEERING COLUMN) STEERING ANGLE SENSOR WHT BLK (OR RED) WIRE WHT WIRE WINDSHIELD WIPER SWITCH

-TW 1 2 3 4 5 6 +B GND 1 2 3 4 5 6 7 8 9 10 SL+ SR+ RL+ RR+ SL- SR- AMP (RIGHT END FUSE OF DASH) AMP FUSE BLK WIRE BLU WIRE BRN WIRE CTR- CTR+ FL- FR- PNK WIRE DRIVER SIDE J/B (LEFT END OF DASH) FL+ FR+ FUSE GRN WIRE GRY WIRE HOOK OFF HOT AT ALL TIMES HOT AT ALL TIMES D MPX B 2 INSTRUMENT CLUSTER SYSTEM LEFT REAR RIGHT REAR DOOR SPEAKER DOOR SPEAKER (MARK (MARK LEVINSON) LEVINSON) LEFT REAR SPEAKER (MARK LEVINSON) LEFT REAR SQUAWKER LEFT REAR TWEETER LT BLU WIRE LT GRN WIRE MARK LEVINSON EXCEPT MARK LEVINSON MODE ON HOOK ORG/ WIRE PASSENGER SIDE J/B PNK WIRE REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE RIGHT FRONT WOOFER RIGHT REAR SPEAKER (MARK LEVINSON) RIGHT REAR SQUAWKER RIGHT REAR TWEETER RL RR RLD SEEK SPD WUI MI+ SLDI MO+ TMUT SPIRAL CABLE (IN STEERING COLUMN) STEERING PAD SWITCH STEERING PAD SWITCH W/ MODULATOR STEREO COMPONENT AMPLIFIER (RIGHT REAR OF LUGGAGE COMPT) TWL+ TWR+ WFL+ VIO WIRE VOICE WFL- WFR+ TWL- TWR- WFR- WHT WIRE WHT/BLK WIRE WUO MI- SLDO MO- YEL WIRE

1 2 3 4 ALO ARO ASGN AUXO ALI ANT ANTENNA ARI ASGN ATX- AUXI BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE HOT IN ON OR ACC J/B 5 (LEFT SIDE OF DASH) LEFT FRONT TWEETER LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MODE MUTE NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PNK WIRE RADIO ANTENNA RADIO RECEIVER ASSEMBLY RED WIRE RR ACC FUSE SEEK + SEEK - SLD SPIRAL CABLE (IN STEERING COLUMN) STEERING PAD SWITCH STEERING PAD SWITCH W/ MODULATOR STEREO JACK ADAPTER 1 SWG VIO WIRE VOICE WHT WIRE WHT/BLK WIRE YEL WIRE

-TW 1 2 3 4 5 6 +B GND 1 2 3 4 5 6 7 8 9 10 SL+ SR+ RL+ RR+ SL- SR- AMP (RIGHT END FUSE OF DASH) AMP FUSE BLK WIRE BLU WIRE BRN WIRE CTR- CTR+ FL- FR- PNK WIRE DRIVER SIDE J/B (LEFT END OF DASH) FL+ FR+ FUSE GRN WIRE GRY WIRE HOOK OFF HOT AT ALL TIMES HOT AT ALL TIMES D MPX B 2 INSTRUMENT CLUSTER SYSTEM LEFT REAR RIGHT REAR DOOR SPEAKER DOOR SPEAKER (MARK (MARK LEVINSON) LEVINSON) LEFT REAR SPEAKER (MARK LEVINSON) LEFT REAR SQUAWKER LEFT REAR TWEETER LT BLU WIRE LT GRN WIRE MARK LEVINSON EXCEPT MARK LEVINSON MODE ON HOOK ORG/ WIRE PASSENGER SIDE J/B PNK WIRE REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE RIGHT FRONT WOOFER RIGHT REAR SPEAKER (MARK LEVINSON) RIGHT REAR SQUAWKER RIGHT REAR TWEETER RL RR RLD SEEK SPD WUI MI+ SLDI MO+ TMUT SPIRAL CABLE (IN STEERING COLUMN) STEERING PAD SWITCH STEERING PAD SWITCH W/ MODULATOR STEREO COMPONENT AMPLIFIER (RIGHT REAR OF LUGGAGE COMPT) TWL+ TWR+ WFL+ VIO WIRE VOICE WFL- WFR+ TWL- TWR- WFR- WHT WIRE WHT/BLK WIRE WUO MI- SLDO MO- YEL WIRE

1 2 3 4 ALO ARO ASGN AUXO ALI ANT ANTENNA ARI ASGN ATX- AUXI BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE HOT IN ON OR ACC J/B 5 (LEFT SIDE OF DASH) LEFT FRONT TWEETER LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MODE MUTE NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PNK WIRE RADIO ANTENNA RADIO RECEIVER ASSEMBLY RED WIRE RR ACC FUSE SEEK + SEEK - SLD SPIRAL CABLE (IN STEERING COLUMN) STEERING PAD SWITCH STEERING PAD SWITCH W/ MODULATOR STEREO JACK ADAPTER 1 SWG VIO WIRE VOICE WHT WIRE WHT/BLK WIRE YEL WIRE

ADPG BLK WIRE BLU WIRE BRN WIRE GRN WIRE GRY WIRE HOT IN ON OR ACC INSTRUMENT CLUSTER SYSTEM J/B 5 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MODE MULTIMEDIA INTERFACE ECU (RIGHT FRONT OF LUGGAGE COMPT) MUTE NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PNK WIRE RED WIRE RIGHT HEADPHONE TERMINAL RR ACC FUSE SEEK + SEEK - SGND SLD SPIRAL CABLE (IN STEERING COLUMN) STEERING PAD SWITCH STEERING PAD SWITCH W/ MODULATOR STEREO COMPONENT AMPLIFIER (RIGHT REAR OF LUGGAGE COMPT) ULO+ URO+ VA- VAL+ VAR+ VGN VIDEO TERMINAL VIO WIRE VLI VOICE VRI VV- WHT WIRE YEL WIRE

7 6 5 4 3 2 1 ASGN ALO ARO UJSG UDO+ UDO- UPI 9 8 AGND AUXO AGND ALI ARI ASGN AUXI BLK WIRE BLU WIRE BRN (OR GRY) WIRE BRN WIRE GRN WIRE GRY WIRE J/B 5 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MI+ MO- MODE MUTE NCA WIRE NTSC OFF HOOK ON HOOK ORG/ WIRE PNK WIRE RADIO ANTENNA RADIO RECEIVER ASSEMBLY RED WIRE RIGHT FRONT TWEETER SEEK + SEEK - SLD SLDI SPI+ SPIRAL CABLE (IN STEERING COLUMN) SPO- STEERING PAD SWITCH STEERING PAD SWITCH W/ MODULATOR STEREO JACK ADAPTER 1 VIO WIRE VOICE W/ LEXUS ENFORM OR SAFETY CONNECT W/O LEXUS ENFORM OR SAFETY CONNECT WHT WIRE WHT/BLK WIRE WUI WUO YEL WIRE