Lexus LS IV (2006-2012) combination switch assembly Wiring diagrams

+BI +BO BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CENTER J/B 4 (RIGHT SIDE OF DASH) CENTER J/B 5 (LEFT SIDE OF DASH) COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B FLA- FLR FRA FRR+ FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START LT GRN WIRE MPX MPX-B FUSE ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PFL PFR PMPX-B FUSE PNK WIRE PRL PRR- RED WIRE RLA- RLR+ RRA+ RRR + SLIP OFF SWITCH STOP FUSE (LEFT END OF DASH) STOP LIGHT SWITCH ASSEMBLY (LEFT SIDE OF DASH) VCM VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

2 1 4 3 TDC- TDC+ TCS 4-SEATER, W/O 5-SEATER OTTOMAN 5 SEATER W/ OTTOMAN BACK SEAT BBS BCS BFB+ BBS BFB- BFB- BFC+ BCS BFC- TDC- TDC+ TDB- TDB+ VER GND LIN BFC- BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CLIMATE CONTROL REAR SEAT COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IG SYSB INTEGRATION CONTROL, PANEL ASSEMBLY LT GRN WIRE MPX ORG/ WIRE P MPX B FUSE P RR S/HTR FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK HS WIRE PNK WIRE REAR SEAT CLIMATE CONTROL SWITCH INDICATOR RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT REAR SEAT CLIMATE CONTROL ECU RIGHT REAR SEAT CLIMATE CONTROLLER SEAT BACK (RIGHT REAR SEAT BACK) RIGHT REAR SEAT CLIMATE CONTROLLER SEAT CUSHION RIGHT REAR SEAT CLIMATE FAN MOTOR SEAT BACK (RIGHT REAR SEAT BACK) RIGHT REAR SEAT CLIMATE FAN MOTOR SEAT CUSHION RIGHT REAR SEAT HEATER (RIGHT REAR SEAT BACK) SEAT CUSHION WING INNER SEAT CUSHION) SIDE SWITCH TBS TCS TBS TDB+ VIO WIRE WHT WIRE WHT/BLK WIRE WING OUTER SEAT CUSHION YEL WIRE

AIR SUS FUSE AIR SUS RELAY BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM EFL EFR FAL+ FAL+ FAL- FBL+ FBL- RM+ RM- FAR- FBL- FBR+ FBR- FBR- GND SLEX RC CANH CANL GRN WIRE GRY WIRE HEADLIGHT SWIVEL ECU ASSEMBLY (RIGHT KICK PANEL) HEIGHT HIGH, SUSPENSION CONTROL SWITCH HOT AT ALL TIMES HOT IN ON OR START LEFT FRONT ABSORBER CONTROL ACTUATOR (LEFT SIDE OF ENGINE COMPT) LH - LT GRN WIRE MPX MPX-B FUSE ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE REAR HEIGHT CONTROL VALVE SUB-ASSEMBLY 2 (REAR OF RED WIRE RH- RIGHT FRONT ABSORBER CONTROL ACTUATOR (RIGHT SIDE OF ENGINE COMPT) SBR SGR SHFL SHFR SHRL SLFR SLFL SLRL SLRR SUSPENSION CONTROL ECU (RIGHT END OF DASH) VEHICLE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3 5 5-SEATER 4-SEATER 4- SEATER 5- SEATER AIR BAG ECU ASSEMBLY AIR SUS RELAY ARMREST COURTESY LIGHT SWITCH ASSEMBLY (5-SEATER) BLK WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CERTIFICATION ECU ASSEMBLY COMBINATION METER COMBINATION SWITCH ASSEMBLY DISPLAY, NAVIGATION MODULE DISPLAY DRIVING SUPPORT ECU ASSEMBLY SHIELD FROM HAZARD LUGGAGE WARNING DOOR SIGNAL OPENING SWITCH SWITCH ASSEMBLY ASSEMBLY J/C JUNCTION CONNECTOR SHIELD LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT FRONT POWER SEAT CONTROL ECU, SWITCH LEFT FRONT SEAT CLIMATE CONTROL ECU LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT REAR MULTIPLEX NETWORK DOOR ECU LEFT REAR POWER SEAT FOLD POSITION MOTER ASSEMBLY LEFT REAR POWER SEAT MOTOR ASSEMBLY LEFT REAR SEAT LEFT REAR SEAT CLIMATE CONTROL ECU LIGHT TRIP SWITCH CONTROL RHEOSTAT P ACC RELAY PARKING ASSIST ECU PARKING BRAKE ECU ASSEMBLY PASSENGER SIDE J/B (RIGHT END OF DASH) POWER SWITCH POWER TRUNK LID CONTROL ECU QUICK HEATER ASSEMBLY RADIO RECEIVER ASSEMBLY REAR CIGARETTE LIGHTER ASSEMBLY REAR CONSOLE (UNDER SWITCH DRIVER'S SEAT) REAR POWER OUT LET REAR POWER (OR REAR OUT LET CIGARETTE LIGHTER ASSEMBLY) RELAY SEAT LEFT REAR BELT POWER SEAT CONTROL CONTROL, ECU ECU ASSEMBLY SEAT LEFT REAR VIBRATOR POWER SEAT SWITCH CONTROL ECU ASSEMBLY STEERING LOCK ACTUATOR ASSEMBLY TIRE PRESSURE WARNING ECU TIRE PRESSURE WARNING RESET SWITCH W/O OTTOMAN WHT WIRE WHT/BLK WIRE YAW RATE SENSOR

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 IG SYSB BACK SEAT BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE BVR CANN CANP CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM FUSE GND LIN GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY L VR LEFT REAR SEAT CLIMATE CONTROL ECU LEFT REAR SEAT HEATER (LEFT REAR SEAT BACK) LIN LUGGAGE ROOM J/B MPX OF DASH) P MPX B FUSE P RR S/HTR FUSE PASSENGER SIDE J/B (RIGHT END PASSENGER SIDE J/B (RIGHT END OF DASH) PNK HS WIRE PNK WIRE R VR REAR CONSOLE SWITCH REAR CURTAIN SWITCH ASSEMBLY REAR SEAT CLIMATE CONTROL SWITCH RED WIRE RELAY ENERGIZED RIGHT REAR SEAT CLIMATE CONTROL ECU RIGHT REAR SEAT HEATER (RIGHT REAR SEAT BACK) RR MPX-B 2 FUSE SEAT BACK) SEAT CUSHION WING INNER SIDE SEAT CUSHION WING OUTER SIDE SEAT CUSHION) SIDE SIDE WING INNER VER GND LIN VIO WIRE WHT GRN/ WIRE WHT WIRE WHT/BLK WIRE WING OUTER SEAT CUSHION YEL WIRE

2 5 ILL- 23 24 PNK MSW- MSW+ WIRE 3 5 6 11 ILL CANL CANH GND 4 SEATER, 5 SEATER, W/O OTTOMAN 5 SEATER W/ OTTOMAN 6 3 16 10 9 11 1 18 BDR SIG 6 5 CANN CANP BLK WIRE BLK/WHT WIRE BLU WIRE CANN CANP CPUB GND PNLI COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER PNK DATA LINES SYSTEM WIRE DOWN FRONT PASSENGER'S SEAT RECLINING CONTROL SWITCH FRONT PASSENGER'S SEAT SLIDE CONTROL SWITCH FUSE GRN WIRE GRY WIRE HEAD AUTO HEADLIGHT CLEANER SWITCH HEADLIGHT CLEANER SWITCH ILLUM HEADLIGHT DIMMER SWITCH HOT AT ALL TIMES HOT IN ON OR START INTEGRATION CONTROL, PANEL ASSEMBLY LIGHT CONTROL RHEOSTAT LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE OFF TAIL ORG/ WIRE P DOOR 1 FUSE P DOOR 2 FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER TRUNK LID CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) POWER TRUNK LID CONTROL SWITCH REAR DOOR SUNSHADE SWITCH REAR SEAT RETURN SWITCH REAR SUNSHADE SWITCH RED WIRE RED/YEL WIRE RIGHT FRONT MULTIPLEX NETWORK DOOR ECU (FRONT PASSENGER'S DOOR) RIGHT POWER SEAT MEMORY SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIPER/ WASHER SYSTEM

1 2 11 3 CANP CANN 1 2 3 4 5 6 SSA- SSA+ SHSE SHSB 10 9 6 11 3 1 CANN CANP BDR CPUB SIG GND 4 SEATER, 5 SEATER, W/O OTTOMAN 5 SEATER W/ OTTOMAN 6 3 11 9 10 1 BDR SIG CPUB CANP CANN GND BLK WIRE BLU WIRE CANP CANN CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM D RR DOOR FUSE DRIVER SIDE J/B (LEFT END OF DASH) FUSE GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER P MPX B SIDE J/B FUSE (RIGHT END OF DASH) HOT IN ON OR START INTEGRATION CONTROL, PANEL ASSEMBLY LEFT REAR CURTAIN SUB-ASSEMBLY LEFT REAR MULTIPLEX NETWORK DOOR ECU (LEFT REAR DOOR) LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPX P MPX B FUSE P RR DOOR FUSE REAR CONSOLE SWITCH (4-SEATER) REAR CONSOLE SWITCH (5-SEATER) REAR CURTAIN SWITCH ASSEMBLY REAR DOOR) REAR SUNSHADE SWITCH RED WIRE RIGHT REAR CURTAIN SUB-ASSEMBLY RIGHT REAR MULTIPLEX NETWORK DOOR ECU (RIGHT REAR DOOR) RR MPX-B 2 FUSE SHSB SHSE SSA+ SSA- SWITCH SUNSHADE SWITCH SUNSHADE REAR DOOR WHT WIRE WHT/BLK WIRE YEL WIRE

4 SEATER, 5 SEATER, W/O OTTOMAN BACK BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 4 COMBINATION METER COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DOWN GRN WIRE GRN/BLK WIRE GRN/RED WIRE INTEGRATION CONTROL, PANEL ASSEMBLY LEFT REAR POWER LUMBAR SUPPORT POSITION MOTOR ASSEMBLY (LEFT REAR SEAT BACK) LT GRN WIRE MPX ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE PVCC REAR SEAT RETURN SWITCH RED WIRE RIGHT REAR POWER LUMBAR SUPPORT POSITION MOTOR ASSEMBLY (RIGHT REAR SEAT BACK) RODW ROUP SENSOR SSRO SSRS SSRV W/ OTTOMAN W/ OTTOMAN, 5 SEATER WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 11 3 CANP CANN 1 2 6 5 CANP CANN 20 28 CANP CANN 22 4 3 LMT MU MD 4 SEATER, 5 SEATER, W/O OTTOMAN 4-SEATER 5-SEATER 5 20 GND 5 SEATER W/ OTTOMAN 8 7 5 15 IG MPXB RSB LGLB BLK WIRE BLU WIRE BRN WIRE CANH COMPUTER DATA LINES SYSTEM CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION SWITCH ASSEMBLY COMPT) COMPUTER DATA LINES SYSTEM FUSE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) INTEGRATION CONTROL, PANEL ASSEMBLY LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE MPX P MPX B FUSE PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK RSMD WIRE PNK WIRE REAR CONSOLE SWITCH (4-SEATER) REAR CONSOLE SWITCH (5-SEATER) REAR CURTAIN SWITCH ASSEMBLY REAR JUNCTION BLOCK ECU REAR SUNSHADE SWITCH REAR WINDOW SHADE ASSEMBLY RR MPX B 1 FUSE RR MPX-B 2 FUSE RR S/SHADE FUSE RSE RSL RSMU SUNSHADE REAR SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

4 8 PNK WIRE 7 3 2 MPX CANN CANP COMPUTER DATA LINES SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BLU/ GRN WIRE BLU/RED BLU/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CBI CEI CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) CLK+ COMBINATION METER COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) DRNA DRNC DRND DRNE DRNG ENGINE COMPT) GCS GCSG GENERATOR REVOLUTION SENSOR GMT GMTG GRF GRFG GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GSN GSN GSNG GCS GCSG GRF GRFG GSNG HSDN HTM- HYBRID MODE SELECT SWITCH I/F I/F ILK IND INVERTER J/C LT GRN WIRE MASTER MCS MCSG MICRO COMPUTER MMT MMTG MOTOR GENERATOR 1 (REAR OF ENGINE COMPT) MOTOR GENERATOR 2 (REAR OF ENGINE COMPT) MOTOR REVOLUTION SENSOR MPX MRF MRFG MSN MSNG MSNG MCSG MRF MCS MSN MRFG MTH+ NCA WIRE ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE RED/WHT WIRE REQ+ VIO WIRE WHT WIRE WHT/BLK WIRE WITH CONVERTER INVERTER ASSEMBLY YEL WIRE YEL/GRN WIRE