Lexus LS IV (2006-2012) (under driver's seat) Wiring diagrams

BDR BLK WIRE BLU WIRE BRN WIRE CAN CONTROLLER CPU CAN I/F CANN CANP CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CGBO CLGI CLGO COMBINATION METER COMPUTER CPUB DATA LINES ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (RIGHT END OF DASH) HOT IN ON OR START LEFT REAR DOOR ELECTRICAL KEY OSCILLATOR (LEFT REAR DOOR OUTSIDE HANDLE) LEFT REAR DOOR LOCK ASSEMBLY (LEFT REAR DOOR) LEFT REAR DOOR OUTSIDE HANDLE (INSIDE REAR OF LEFT REAR DOOR) LEFT REAR MULTIPLEX NETWORK DOOR ECU (LEFT REAR DOOR) LSW LSWE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MASTER IND ORG/ WIRE OSCB OSCE P DOOR 1 FUSE P DOOR 2 FUSE P-D/C CUT FUSE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY DRIVER RED WIRE RR MPX-B 2 FUSE SEL SEL CLGB SENS GND PNK WIRE SENS SIG SYSTEM TRG+ TRG- 2 3 4 5 6 TRG- CLG UNLOCK DETECTION SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 TRG- BCUT BDR BDRJ BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CGBI CGBO CLGI CLGO COMPUTER DATA CONTROL CIRCUIT DOOR LOCK SWITCH CPBJ CPUB D DOOR 1 FUSE D DOOR 2 FUSE D MPX-B 1 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END OF DASH) D RR DOOR FUSE KUL LEFT FRONT DOOR ELECTRICAL KEY OSCILLATOR (DRIVER'S DOOR OUTSIDE HANDLE) LEFT FRONT DOOR OUTSIDE HANDLE (DRIVER'S DOOR) LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY (DRIVER'S DOOR) LEFT FRONT MULTIPLEX NETWORK DOOR ECU (DRIVER'S DOOR) LEFT SECURITY INDICATOR LINES SYSTEM LSW LSWE LT GRN WIRE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY OF DASH) ORG/ WIRE OSCB OSCE P MPX B FUSE PASSENGER SIDE J/B (RIGHT END PNK WIRE POWER WINDOWS) PWE RED WIRE SEL SEL CLGB SENS GND PNK WIRE SENS SGND SID- SIDI SIG SYSTEM TRG+ TRG- CLG UNLOCK DETECTION SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

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

11 6 3 13 10 9 1 CPUB BDR SIG PNLI CANN CANP GND 15 16 23 24 ASH- ASH+ MSW- MSW+ PNK WIRE 23 22 CANN CANP 24 23 16 15 MSW+ MSW- ASH+ ASH- 4 18 ILL- ILL+ 4- SEATER 5- SEATER 6 14 ILL+ ILL- 9 11 8 CTY ARMREST COURTESY LIGHT SWITCH ASSEMBLY BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 4 CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION METER COMPUTER 10 9 1 6 11 3 13 CANN CANP GND BDR CPUB SIG PNLI DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COOLING BOX ASSEMBLY (4-SEATER) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FRONT TRIP CIGARETTE SWITCH LIGHTER GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES RR MPX B 2 FUSE HOT IN ON OR START HOT IN ON OR START LUGGAGE RR- ROOM J/B FUSE (LEFT SIDE OF LUGGAGE COMPT) ILL- REAR CONSOLE SWITCH (5-SEATER) ILL- SWITCH (4-SEATER) LEFT REAR ASHTRAY LIGHT LEFT REAR MULTIPLEX NETWORK DOOR ECU (LEFT REAR DOOR) LEFT REAR SEAT MEMORY SWITCH LT BLU WIRE LT GRN WIRE LUGGAGE DOOR OPENING SWITCH ASSEMBLY MICRO COMPUTER ORG/ WIRE P RR DOOR -2 MPX-B FUSE FUSE FUSE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY REAR CURTAIN SWITCH ASSEMBLY RED WIRE RHDW RHUP RIGHT REAR ASHTRAY LIGHT RIGHT REAR MULTIPLEX NETWORK DOOR ECU (RIGHT REAR DOOR) RIGHT REAR SEAT MEMORY SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

1 11 3 6 9 10 GND CPUB SIG BDR CANP CANN 1 4 3 CLM+ CLM- DLSE 1 5 CLM+ CLM- 15 7 9 8 19 18 6 5 PNK CPSE POLE FULL STOP HNDL INIT WIRE 15 7 9 8 24 16 4 3 PNK CPSE POLE FULL STOP HNDL INIT WIRE BLK WIRE BLU WIRE CANP CANN CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM D RR DOOR FUSE DOOR 1 FUSE DOOR 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) FORMER POSITION SWITCH FORMER POSITION SWITCH DLSE FUSE GND BCUT SIG BDR CPUB GRN WIRE GRY WIRE H/FU HANDLE SWITCH HANDLE SWITCH STOP TEMPORARY STOP SWITCH H/FU SECONDARY/ FULL LATCH SWITCH POLE HOT AT ALL TIMES LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY (DRIVER'S DOOR) LEFT FRONT MULTIPLEX NETWORK DOOR ECU (DRIVER'S DOOR) LEFT REAR DOOR LOCK ASSEMBLY (LEFT REAR DOOR) LEFT REAR MULTIPLEX NETWORK DOOR ECU LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPX-B 1 FUSE ORG/ WIRE PNK WIRE POLE SWITCH 6 8 POLE CPSE POLE SWITCH PNK CPSE WIRE RED WIRE RELAY ENERGIZED RR MPX-B 2 FUSE STOP SECONDARY/ FULL LATCH SWITCH TEMPORARY STOP SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BDR BLK WIRE BLU WIRE BRN WIRE CAN CONTROLLER CPU CAN I/F CANN CANP CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CGBO CLGI CLGO COMBINATION METER COMPUTER CPUB DATA LINES ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (RIGHT END OF DASH) HOT IN ON OR START LEFT REAR DOOR ELECTRICAL KEY OSCILLATOR (LEFT REAR DOOR OUTSIDE HANDLE) LEFT REAR DOOR LOCK ASSEMBLY (LEFT REAR DOOR) LEFT REAR DOOR OUTSIDE HANDLE (INSIDE REAR OF LEFT REAR DOOR) LEFT REAR MULTIPLEX NETWORK DOOR ECU (LEFT REAR DOOR) LSW LSWE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MASTER IND ORG/ WIRE OSCB OSCE P DOOR 1 FUSE P DOOR 2 FUSE P-D/C CUT FUSE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY DRIVER RED WIRE RR MPX-B 2 FUSE SEL SEL CLGB SENS GND PNK WIRE SENS SIG SYSTEM TRG+ TRG- 2 3 4 5 6 TRG- CLG UNLOCK DETECTION SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 TRG- BCUT BDR BDRJ BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CGBI CGBO CLGI CLGO COMPUTER DATA CONTROL CIRCUIT DOOR LOCK SWITCH CPBJ CPUB D DOOR 1 FUSE D DOOR 2 FUSE D MPX-B 1 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END OF DASH) D RR DOOR FUSE KUL LEFT FRONT DOOR ELECTRICAL KEY OSCILLATOR (DRIVER'S DOOR OUTSIDE HANDLE) LEFT FRONT DOOR OUTSIDE HANDLE (DRIVER'S DOOR) LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY (DRIVER'S DOOR) LEFT FRONT MULTIPLEX NETWORK DOOR ECU (DRIVER'S DOOR) LEFT SECURITY INDICATOR LINES SYSTEM LSW LSWE LT GRN WIRE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY OF DASH) ORG/ WIRE OSCB OSCE P MPX B FUSE PASSENGER SIDE J/B (RIGHT END PNK WIRE POWER WINDOWS) PWE RED WIRE SEL SEL CLGB SENS GND PNK WIRE SENS SGND SID- SIDI SIG SYSTEM TRG+ TRG- CLG UNLOCK DETECTION SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

10 9 8 16 6 3 11 1 2 5 13 CANN CANP 9 10 16 6 3 11 4 2 8 5 13 1 CANP CANN AUTO AUTO DOWN AUTO UP BDR SIG CPUB BCUT PWE BDR SIG CPUB GND PWE BDRJ BDRJ BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT D DOOR 1 FUSE D MPX-B 1 FUSE DOWN DRIVER DRIVER SIDE SIDE UP SWITCH DOWN SWITCH DRIVER FRONT SIDE PASSENGER AUTO SWITCH SIDE CONTROL SWITCH FUSE GND LED UP GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END OF DASH) D DOOR 2 FUSE HOT IN ON OR START KEY UNLOCK LED LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER'S DOOR) HALL IC LEFT REAR SIDE CONTROL SWITCH LIN MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY ORG/ WIRE P DOOR 1 FUSE P DOOR 2 FUSE P MPX B FUSE P-D/C CUT FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK KEY LOCK WIRE PNK KL LSWE KUL WIRE RED WIRE RIGHT FRONT MULTIPLEX NETWORK DOOR ECU (FRONT PASSENGER'S DOOR) RIGHT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (FRONT PASSENGER'S DOOR) RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT REAR SIDE CONTROL SWITCH SGND SGND CPBJ VIO WIRE WHT WIRE WHT/BLK WIRE WINDOW LOCK SWITCH YEL WIRE

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

1 2 AHR+ AHR- 3 1 2 GPS VPS PS AIR BAG ECU ASSEMBLY (UNDER CENTER FLOOR CONSOLE) BBR+ BCR+ BLK WIRE BLU WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 DRIVER MAIN SIDE J/B BODY ECU (LEFT END OF DASH) ENGINE ROOM J/B 2 (RIGHT FSR+ BBR+ BBR- FUSE GND PS VPS GBT IG DIA FSR+ FSR- BSW BGND GPS BT VBT PNK WIRE GRN WIRE GRY WIRE GSW HOT IN ON OR START J/B 3 MICRO COMPUTER OCCUPANT DETECTION ECU OCCUPANT DETECTION SENSOR P RR- P-J/B FUSE PASSENGER SIDE J/B PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE RIGHT ACTIVE HEADREST AIRBAG SQUIB CIRCUIT (FRONT PASSENGER'S RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY (RIGHT SIDE OF ROOF) RIGHT END OF DASH) RIGHT FRONT SEAT INNER BELT ASSEMBLY RIGHT FRONT SIDE AIR BAG SQUIB CIRCUIT (UNDER FRONT PASSENGER'S SEAT) RIGHT REAR RIGHT SIDE AIR BAG AIR BAG SENSOR ASSEMBLY SENSOR (RIGHT "C" PILLAR) RIGHT REAR SEAT AIR BAG ASSEMBLY (W/ OTTOMAN) RIGHT REAR SIDE AIR BAG ASSEMBLY (BASE OF RIGHT "B" PILLAR) SEAT BACK) SEAT BELT TENSION SENSOR SIDE OF ENGINE COMPT) SIL SL- SR- SRS IND SUPPLY POWER VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE