Lexus LS IV (2006-2012) micro computer Wiring diagrams

14 13 PNK WIRE 16 15 11 10 FL+ FL- RR+ RR- BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM D MPX-B 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) ENGINE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START LEFT FRONT SPEED SENSOR LEFT REAR SPEED SENSOR MICRO COMPUTER ORG/ WIRE P-D/C CUT FUSE P-J/B ROOM J/B 2 FUSE (RIGHT SIDE OF ENGINE COMPT) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY RED WIRE RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR RL- RL+ FR- FR+ SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) STOP FUSE STOP LIGHT SWITCH ASSEMBLY (LEFT SIDE OF DASH) VIO WIRE W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT W/O VEHICLE DYNAMICS INTEGRATED MANAGEMENT WHT WIRE WHT/BLK WIRE YEL WIRE

14 13 PNK WIRE 16 15 11 10 FL+ FL- RR+ RR- BLK WIRE BLU WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM D MPX-B 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) ENGINE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START LEFT FRONT SPEED SENSOR LEFT REAR SPEED SENSOR MICRO COMPUTER P-J/B ROOM J/B 2 FUSE (RIGHT SIDE OF ENGINE COMPT) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE RIGHT FRONT PAD WEAR INDICATOR SWITCH/ RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR RL- RL+ FR- FR+ SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) STOP FUSE STOP LIGHT SWITCH ASSEMBLY (LEFT SIDE OF DASH) SUPPLY POWER VIO WIRE W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT W/O VEHICLE DYNAMICS INTEGRATED MANAGEMENT WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CANN CANP COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ERL ERR FRONT HEIGHT CONTROL VALVE (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GRY WIRE HEIGHT CONTROL EXHAUST VALVE (RIGHT SIDE OF FRONT BUMPER) HEIGHT HIGH IND HOT IN ON OR START LEFT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY LEFT REAR ABSORBER CONTROL ACTUATOR (LEFT REAR WHEELWELL) LH - LT GRN WIRE MASTER IND MICRO COMPUTER MPX-B OF DASH) ORG/ WIRE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END PNK WIRE POWER SUPPLY RAL+ RAR+ RBL- RBR- RED WIRE RH- RIGHT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY RIGHT REAR ABSORBER CONTROL ACTUATOR (RIGHT REAR WHEELWELL) SHB SHFL SHFR SHG VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 LOIL GND 1 5 11 20 10 PNK BATB ALTB MOPS MOLE MOL WIRE 5 1 2 3 4 FMIG 8 9 COMPUTER DATA LINES SYSTEM CANL CANH ABS IND. AFS OFF IND BLK WIRE BLK/ WHT WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR BRAKE HOLD IND BRAKE IND BRN WIRE CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) CHARGE IND CLOCK COMBINATION METER COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CANP CANN CRUISE IND DOME FUSE DOOR IND DRIVER SIDE J/B (LEFT END OF DASH) DRIVER'S ELECTRONICALLY CONTROLLED BRAKE IND ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE OIL LEVEL SENSOR (LOWER RIGHT SIDE OF ENGINE) ENGINE OIL PRESSURE SWITCH ASSEMBLY (LOWER LEFT FRONT OF ENGINE) EXTERIOR LIGHTS SYSTEM NAVIGATION SYSTEM FR CTRL ALT FUSE FR CTRL BAT FUSE INJ FUSE P-J/B FUSE FRONT FOG IND FUSE GRN WIRE GRN/ LT WIRE HEAD IND TAIL IND HEIGHT HIGH IND HIGH BEAM AUTO IND HIGH BEAM IND HOLD IND HOT AT ALL TIMES HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END MPX-B 2 FUSE OF DASH) HOT W/ P ACC RELAY ENERGIZED PASSENGER SIDE J/B (RIGHT END OF DASH) IND J/C LBL LED DRIVER LEFT TURN IND LIGHT ECU LKA IND LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MASTER IND MICRO COMPUTER MPU MPX+B I/F MPXB P-ACC FUSE PARK IND PASSENGER SIDE J/B (RIGHT END OF DASH) PCS IND PNK ENGINE CONTROLS SYSTEM WIRE PNK WIRE POWER POWER STEERING RED WIRE RELAY ENERGIZED RELAY ENERGIZED ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) E/G RM ECU-B FUSE RESET+ RIGHT TURN IND RING ILLUMINATION SEAT BELT IND SHIFT INTERLOCK SYSTEM SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) SLIP IND SLIP OFF IND SRS IND SUPPLY TFT DISPLAY IC TIRE PRESSURE IND TRIP TRIP SWITCH TX-1 TX+1 VIO WIRE WATER TEMP HOT IND WHT WIRE WHT/BLK WIRE YEL WIRE

+B PGND 1 2 3 4 5 6 7 8 9 10 MOR- MOR+ MOL+ MOL- 1 2 3 4 5 6 7 8 CAN H CAN L 20 21 18 COMPUTER DATA LINES SYSTEM ES 36 26 6 IGB SGND FCAS 9 8 CANH CANL BLK WIRE BLU WIRE BRN WIRE CANCEL SWITCH ASSEMBLY CENTER DRIVER JUNCTION BOX 3 SIDE J/B (RIGHT SIDE (LEFT END OF DASH) OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (LEFT KICK PANEL) ENGINE ROOM J/B 2 (RIGHT SIDE OF LUGGAGE COMPT) FUSE GRN WIRE HOT AT ALL TIMES LUGGAGE ROOM J/B PSB FUSE (LEFT SIDE OF LUGGAGE COMPT) HOT W/ HOT W/ RR J/C LEFT FRONT PRE-COLLISION SEAT BELT MOTOR (BASE OF LEFT "B" PILLAR) MICRO COMPUTER MILLIMETER WAVE RADAR SENSOR ASSEMBLY (CENTER OF FRONT GRILLE) P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PCS IND POWER SUPPLY PRE-COLLISION SYSTEM RED WIRE RIGHT FRONT PRE- COLLISION SEAT BELT MOTOR SEAT BELT CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) SGND IGB SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

11 12 13 14 FSR+ FSR- BSW BGND 13 22 CANH CANL 22 16 FSR- FSR+ AIR BAG ECU ASSEMBLY (UNDER CENTER FLOOR CONSOLE) BLK WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CAN I/F CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DISPLAY, NAVIGATION MODULE DISPLAY DRIVER'S SEAT BELT IND FRONT PASSENGER'S SEAT BELT WARNING LIGHT FUSE GRN WIRE HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END OF DASH) D MPX-B 1 FUSE HOT IN ON OR START LEFT FRONT SEAT INNER BELT SWITCH (UNDER DRIVER'S SEAT) LT BLU WIRE MICRO COMPUTER OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PBEW PNK WIRE POWER SUPPLY RED WIRE RIGHT FRONT SEAT INNER BELT ASSEMBLY SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) VIO WIRE 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

1 2 3 4 5 6 7 8 9 10 11 12 IG 22 23 CANP CANN BLK WIRE BLU WIRE BRN WIRE CANN CANP GND INSW RDA CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM FUSE HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END OF DASH) D MPX-B 2 FUSE HOT IN ON OR START MASTER IND MICRO COMPUTER P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY RED WIRE TIRE PRESSURE IND TIRE PRESSURE WARNING ANTENNA, RECEIVER (CENTER REAR OF ROOF) TIRE PRESSURE WARNING ECU (RIGHT END OF DASH) TIRE PRESSURE WARNING RESET SWITCH VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) EKNK ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE VVT ROOM FUSE J/B 2 (RIGHT SIDE OF ENGINE COMPT) I/F I/F I/F KNOCK CONTROL SENSOR (BANK 1 SENSOR 1) (LEFT SIDE OF ENGINE) KNOCK CONTROL SENSOR (BANK 2 SENSOR 1) (RIGHT SIDE OF ENGINE) LT GRN WIRE MALFUNCTION IND MASTER IND MICRO COMPUTER MPX-B-2 FUSE MPXB NCA WIRE PNK WIRE POWER SUPPLY RED WIRE VIO WIRE WATER TEMP IND WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL/BLK WIRE YEL/RED WIRE

9 20 10 IB GIB VIB BLK WIRE BLU WIRE BRN WIRE BUSBER MODULE 1 BUSBER MODULE 2 BUSBER MODULE 3 BUSBER MODULE 4 HV BATTERY CHARGE IND COMBINATION METER COMPUTER DATA LINES SYSTEM GBO GRN WIRE GRY WIRE HOT IN ON OR START ENGINE ROOM J/B 2 (RIGHT SIDE OF P J/B FUSE ENGINE COMPT) HV BATTERY HYBRID VEHICLE BATTERY IGCT BTH+ BTH- IDH GND LT BLU WIRE LT GRN WIRE MASTER IND MICRO COMPUTER MPX-B ORG/BLK WIRE ORG/WHT WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SPLY RED WIRE SERVICE PLUG TBO VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE