Lexus LS IV (2006-2012) red Wiring diagrams

ABS MTR 1 FUSE ABS MTR RELAY ABS- MAIN 1 FUSE BLK WIRE BLU WIRE BRAKE BOOSTER PUMP ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FRR+ FRR- FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "B" PILLAR) LEFT REAR SPEED SENSOR LT GRN WIRE MTT ORG/ WIRE PFR PNK CTY WIRE PNK RLR+ RLR- WIRE PNK WIRE PRL RED WIRE RIGHT FRONT SPEED SENSOR RL- RL+ RLA- RLA+ FRA- FRA+ FR+ FR- PNK WIRE SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) VCM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ABS MAIN 3 FUSE BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CENTER J/B 4 (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) FLA- FLR FRA FRR+ FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START LT GRN WIRE ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PFL PFR PNK WIRE PRL PRR- RED WIRE RLA- RLR+ RRA+ RRR + VCM VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER FLOOR CONSOLE) YEL WIRE

ABS MAIN 2 FUSE ABS MTR 2 FUSE BLK WIRE BLU WIRE BRAKE HOLD IND BRN WIRE BUZZER COMBINATION METER COMPUTER DATA LINES SYSTEM ECU-IG FUSE ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 3 ABS MTR 2 RELAY FLA- FLA+ FL+ FL- PNK WIRE FLR+ FLR- GRN WIRE GRY WIRE HOLD IND HOT AT ALL TIMES HOT IN ON OR START I/F I/F LEFT FRONT SPEED SENSOR LT GRN WIRE MASTER IND MICRO COMPUTER ORG/ WIRE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PFL PNK WIRE POWER SUPPLY PRR- RED WIRE RIGHT REAR SPEED SENSOR RR+ RR- CANH CANL RRA- RRA+ RRR+ RRR- PNK WIRE SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

5 4 3 2 1 VCSK SKG SKS ABS MAIN 3 FUSE ABS MTR 1 FUSE ABS MTR RELAY ABS- MAIN 1 FUSE BLK WIRE BLU WIRE BRAKE BOOSTER PUMP ASSEMBLY BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER GND CYLINDER RESERVOIR) BRAKE PEDAL STROKE SENSOR ASSEMBLY BRAKE STROKE SIMULATOR (LEFT REAR OF ENGINE COMPT) BRN WIRE BUZZER BZ SS RLA- RLA+ FRA- FRA+ FR+ FR- DRIVER SIDE J/B (LEFT END OF DASH) ENA COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) FRR+ FRR- FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START DRIVER SIDE J/B (LEFT END OF DASH) LBL LBL PFR LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "B" PILLAR) LEFT REAR SPEED SENSOR LT GRN WIRE MTT ORG/ WIRE PNK CTY WIRE PNK RLR+ RLR- WIRE PNK WIRE PRL VBZ RED WIRE RIGHT FRONT SPEED SENSOR RL- RL+ SHORT CONNECTOR SKG SKID CONTROL BUZZER ASSEMBLY (LEFT END OF DASH) SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) VCM VCSK VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

+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

+BC ABS IND. ABS MAIN 2 FUSE ABS MAIN 4 FUSE ABS MTR 2 FUSE BLK WIRE BLU WIRE BRAKE CONTROL POWER SUPPLY (RIGHT REAR OF LUGGAGE COMPT) BRAKE IND BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CONTROLLED ELECTRONICALLY ECU-IG FUSE ENA ENGINE ABS ROOM MTR 2 R/B 3 RELAY ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FAIL FLA- FLA+ FL+ FL- PNK WIRE FLR+ FLR- FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INDICATOR SWITCH (RIGHT REAR WHEEL HUB ASSEMBLY) LEFT FRONT SPEED SENSOR LEFT FRONT SPEED SENSOR/ LEFT FRONT PAD WEAR INDICATOR SWITCH LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MASTER IND MICRO COMPUTER ORG/ WIRE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PFL PNK WIRE POWER SUPPLY PRR- RED WIRE RIGHT REAR HEIGHT CONTROL SENSOR/ RIGHT REAR SPEED SENSOR/ RIGHT REAR PAD WEAR RIGHT REAR SPEED SENSOR RR+ RR- CANH CANL RRA- RRA+ SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) SLIP IND STP TS VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER (CENTER OF DASH) A/C FUSE SIDE J/B (RIGHT END OF DASH) A/C INFRARED RAYS SENSOR (RIGHT REARVIEW MIRROR ASSEMBLY) A/C SOLAR SENSOR AUTOMATIC LIGHT CONTROL SENSOR (CENTER OF DASH) BLK WIRE BLU WIRE BRRG BURR BRRB COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) FRONT ROOM TEMPERATURE SENSOR (LEFT SIDE OF DASH) FUSE GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSIBLE LINK BLOCK ASSEMBLY 1 (RIGHT REAR HTR FUSE HOT IN ON OR START LEFT FRONT DUCT SENSOR (LEFT SIDE OF DASH) LIN 1 LT BLU WIRE LT GRN WIRE OF ENGINE COMPT) PASSENGER RED WIRE RGND TSD TSP TR RH SG-1 RIGHT FRONT DUCT SENSOR (RIGHT SIDE OF DASH) SBLW SG-3 SG-2 TFAL TFAR TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

28 20 18 26 5 7 25 COMPUTER CANN CANP TSD TSB RMGV SMOK SSRE DATA LINES SYSTEM AIR OUTLET DAMPER CONTROL SERVO MOTOR (DRIVER SIDE FRONT A/C REAR AIR FLOW) AIR OUTLET DAMPER CONTROL SERVO MOTOR (PASSENGER SIDE FRONT A/C REAR AIR FLOW) BLK WIRE BLOWER MOTOR BLU WIRE BRN WIRE BRRB BRRG BURR CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CONNECTOR CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (NATURAL) ENGINE ROOM R/B 4 (LEFT REAR OF ENGINE COMPT) FUSE GND +B SI 5 9 13 GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ENGINE ROOM PTC HTR 1 FUSE R/B 4 (LEFT REAR OF ENGINE COMPT) HOT AT ALL TIMES PTC HTR 3 FUSE HOT IN ON OR START DRIVER SIDE J/B (LEFT END OF DASH) HOUSING COLOR (GRY) WIRE HOUSING COLOR (RED) WIRE INTERIOR CONVERSION SERVO MOTOR LT BLU WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) PTC HTR 1 RELAY PTC HTR 3 RELAY REAR COOLING UNIT ASSEMBLY (LEFT "C" PILLAR) REAR DIFFUSE SERVO MOTOR REAR EMISSION SERVO MOTOR REAR JUNCTION BLOCK ECU REAR MAGNETIC VALVE RED WIRE RMGV SMOKE SENSOR SSRE THERMISTOR VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

4-SEATER 5-SEATER 4-SEATER, 5-SEATER W/ POWER SEAT A/C PRESSURE SENSOR (LIQUID TUBE SUB-ASSEMBLY) (LEFT FRONT OF ENGINE COMPT) AMBIENT TEMPERATURE SENSOR (LEFT SIDE OF BUMPER FASCIA) BDR BLK WIRE BLU WIRE CANN CANP COMPUTER DATA LINES SYSTEM CPUB DGS DGSE EXHAUST GAS SENSOR (FRONT CENTER OF ENGINE COMPT) FUSE HOT AT ALL TIMES HOT AT ALL TIMES DRIVER D RR DOOR FUSE SIDE J/B (LEFT END OF DASH) HOT AT ALL TIMES P RR DOOR FUSE HOT AT ALL TIMES RR MPX B 2 FUSE HOT IN ON OR START LEFT REAR ROOM TEMPERATURE SENSOR (W/ REAR AIR CONDITIONING) (LEFT REAR DOOR) LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MULTIPLEX NETWORK FRONT LIGHT ECU (RIGHT FRONT OF ENGINE COMPT) P MPX B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PRS RCLN REAR A/C SWITCH REAR CONSOLE SWITCH RED WIRE RIGHT REAR MULTIPLEX NETWORK DOOR ECU (RIGHT REAR DOOR) RIGHT REAR ROOM TEMPERATURE SENSOR (W/ REAR AIR CONDITIONING) (RIGHT REAR DOOR) SIG TME TRAD TRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 BFLG BUFL BFLB 1 2 3 4 5 6 7 8 GND STBI DIN 15 16 CANH CANL 32 30 21 31 ETI CLK ITE STB A/C AMPLIFIER (CENTER OF DASH) A/C BLOWER ASSEMBLY A/C EVAPORATOR TEMPERATURE SENSOR ACPB ACPE BLK WIRE BLU WIRE BRN WIRE CLK DOUT COMPUTER DATA LINES SYSTEM CONNECTOR CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (NATURAL) COOLING FAN ECU COOLING FAN MOTOR (MAIN) (LEFT SIDE OF RADIATOR) COOLING FAN MOTOR (SUB) (RIGHT SIDE OF RADIATOR) E/G ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) A/C W/P RELAY ENGINE ROOM R/B 5 (RIGHT FRONT OF ENGINE COMPT) FAN 1 FUSE FAN 1 RELAY FUSE GRN WIRE HEATER WATER PUMP ASSEMBLY (RIGHT FRONT OF ENGINE COMPT) HOT AT ALL TIMES FUSIBLE LINK BLOCK ASSEMBLY 1 (RIGHT REAR OF ENGINE COMPT) HOT IN ON OR START HOUSING COLOR (RED) WIRE LEFT COOL AIR BYPASS DAMPER CONTROL SERVO MOTOR LEFT FRONT COOL POSITION AIR MIX DAMPER SERVO MOTOR LT GRN WIRE NCA WIRE ORG/ WIRE RED WIRE RELAY A/C W/P FUSE RIGHT COOL AIR BYPASS DAMPER CONTROL SERVO MOTOR RIGHT FRONT COOL POSITION AIR MIX DAMPER CONTROL SERVO MOTOR SG-6 TE BFLG BUFL BFLB BUSG BUS BBUS TO A/C BLOWER ASSEMBLY (DIAGRAM 5 OF 5) W/ CONVERTER INVERTER ASSEMBLY W/ MOTOR COMPRESSOR ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE