Lexus LS IV (2006-2012) steering pad switch assembly w/ modulator Wiring diagrams

BLK WIRE BLK/WHT WIRE BLOCK J/B 3 (RIGHT SIDE OF DASH) BLU WIRE BRN WIRE CENTER JUNCTION CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH ASSEMBLY DRIVER SIDE J/B (LEFT END DRIVER SIDE J/B (LEFT END OF DASH) ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) FUSE GRN WIRE HOT IN ON OR START IGCT 2 FUSE IGCT 2 RELAY IGCT RELAY J/C LT GRN WIRE OF DASH) ON- MODE OFF ORG/ WIRE RED WIRE SFTD SFTU SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY W/ MODULATOR STEERING SWITCH ECU VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 HORL HORH 1 5 PNK BATB ALTB WIRE BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) E/G RM- FMIG CANP CANN FR CTRL ALT FUSE FR CTRL BAT FUSE FUSE HIGH PITCHED HORN ASSEMBLY (LEFT FRONT OF ENGINE COMPT) HORN SWITCH HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM ECU-B FUSE J/B 2 (RIGHT SIDE OF ENGINE COMPT) HOT AT ALL TIMES P-D/C CUT FUSE HOT IN ON OR START LOW PITCHED HORN ASSEMBLY (RIGHT FRONT OF ENGINE COMPT) LT GRN WIRE MULTIPLEX NETWORK FRONT LIGHT ECU (RIGHT FRONT OF ENGINE COMPT) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE STEERING PAD SWITCH ASSEMBLY STEERING PAD SWITCH ASSEMBLY W/ MODULATOR STEERING SWITCH ECU WHT WIRE WHT/BLK WIRE YEL WIRE

13 14 CANL CANH 18 34 27 17 VC NE- NE+ 10 6 4 5 PNK WIRE BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR DIRECT FUEL INJECTOR ASSEMBLY 1 (LEFT SIDE OF INTAKE MANIFOLD) DISP DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ RR HYBRID VEHICLE CONTROL ECU INJECTOR DRIVER (BANK 1) (CENTER REAR OF ENGINE COMPT) LGLB LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPXB NCA WIRE NE- NE VC P-D/C CUT FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PIND PNK WIRE PORT FUEL INJECTOR ASSEMBLY 1 REAR JUNCTION BLOCK ECU RED WIRE RESET+ RR MPX B 1 FUSE RR MPX-B 2 FUSE SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEERING PAD SWITCH ASSEMBLY W/ MODULATOR STEERING SWITCH ECU SYSTEM TELEVISION SWITCH, VOLUME ASSEMBLY TOP OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 ILL- ILL+ 2 1 ILL- ILL+ 26 12 DR ILL+ 3 5 6 ILL- ASSEMBLY BLK WIRE CENTER FRONT REGISTER ILLUMINATION CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) CIL- CLOCK ASSEMBLY COIN BOX ILLUMINATION LIGHT CONSOLE BOX LIGHT SUB- ASSEMBLY DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) FRONT CONSOLE BOX ILLUMINATION LIGHT GLOVE BOX ILLUMINATION LIGHT GRN WIRE HILL HOT AT ALL TIMES LEFT FRONT REGISTER ILLUMINATION LT GRN WIRE OUTER MIRROR SWITCH ASSEMBLY P-D/C CUT FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) RADIO RECEIVER ASSEMBLY REAR CONSOLE BOX ILLUMINATION LIGHT RED WIRE RED/WHT WIRE RIGHT FRONT REGISTER ILLUMINATION SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH STEERING PAD SWITCH ASSEMBLY W/ MODULATOR STEERING SWITCH ECU 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 FUSE BLK WIRE BLU WIRE BRN WIRE CTR- CTR+ FL- FR- PNK WIRE D MPX-B 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) FL+ FR+ FLOOR STEREO COMPONENT SPEAKER ASSEMBLY FRONT SPEAKER ASSEMBLY 3 GRN WIRE GRY WIRE HOOK OFF HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 1 LEFT REAR HEADER SPEAKER ASSEMBLY LEFT REAR RIGHT REAR SPEAKER SPEAKER ASSEMBLY ASSEMBLY LEFT REAR SPEAKER ASSEMBLY 2 LEFT REAR SPEAKER ASSEMBLY 3 LT BLU WIRE LT GRN WIRE MODE ON HOOK ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT REAR HEADER SPEAKER ASSEMBLY RIGHT REAR SPEAKER ASSEMBLY 2 RIGHT REAR SPEAKER ASSEMBLY 3 RL RR RLD RRD SEEK SPD WUI MI+ SLDI MO+ TMUT SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEERING PAD SWITCH ASSEMBLY W/ MODULATOR STEREO COMPONENT AMPLIFIER ASSEMBLY (RIGHT REAR OF LUGGAGE COMPT) TWL+ TWR+ WFL+ VIO WIRE VOICE VOLUME- WFL- WFR+ TWL- TWR- WFR- WHT WIRE WHT/BLK WIRE WUO MI- SLDO MO- 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 FUSE BLK WIRE BLU WIRE BRN WIRE CTR- CTR+ FL- FR- PNK WIRE D MPX-B 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) FL+ FR+ FLOOR STEREO COMPONENT SPEAKER ASSEMBLY FRONT SPEAKER ASSEMBLY 3 GRN WIRE GRY WIRE HOOK OFF HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 1 LEFT REAR HEADER SPEAKER ASSEMBLY LEFT REAR RIGHT REAR SPEAKER SPEAKER ASSEMBLY ASSEMBLY LEFT REAR SPEAKER ASSEMBLY 2 LEFT REAR SPEAKER ASSEMBLY 3 LT BLU WIRE LT GRN WIRE MODE ON HOOK ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT REAR HEADER SPEAKER ASSEMBLY RIGHT REAR SPEAKER ASSEMBLY 2 RIGHT REAR SPEAKER ASSEMBLY 3 RL RR RLD RRD SEEK SPD WUI MI+ SLDI MO+ TMUT SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEERING PAD SWITCH ASSEMBLY W/ MODULATOR STEREO COMPONENT AMPLIFIER ASSEMBLY (RIGHT REAR OF LUGGAGE COMPT) TWL+ TWR+ WFL+ VIO WIRE VOICE VOLUME- WFL- WFR+ TWL- TWR- WFR- WHT WIRE WHT/BLK WIRE WUO MI- SLDO MO- YEL WIRE