Lexus LS IV (2006-2012) (right front of engine compt) 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 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

+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

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

A/C PRESSURE SENSOR (LIQUID TUBE SUB-ASSEMBLY) (LEFT FRONT OF ENGINE COMPT) BLK WIRE BLU WIRE BRN WIRE CANP CANN COMPUTER DATA LINES SYSTEM COOLING FAN ECU COOLING FAN MOTOR (MAIN) (LEFT SIDE OF RADIATOR) COOLING FAN MOTOR (SUB) (RIGHT SIDE OF RADIATOR) E.F.I. ENGINE COOLANT TEMPERATURE SENSOR (FRONT LEFT OF ENGINE) E/G ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 5 (RIGHT FRONT OF ENGINE COMPT) FAN 1 FUSE FAN 1 RELAY FUSE GRN WIRE HOT AT ALL TIMES FUSIBLE LINK BLOCK ASSEMBLY 1 (RIGHT REAR OF ENGINE COMPT) HOT IN ON OR START J/C MULTIPLEX NETWORK FRONT LIGHT ECU (RIGHT FRONT OF ENGINE COMPT) RED/BLU WIRE SG PRS WHT WIRE WHT/BLK WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE C/OPN RELAY COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH DRIVER SIDE J/B (LEFT END OF DASH) ECU-IG FUSE EFI EFI MAIN EFI FUSE MAIN RELAY ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) ETCS FUSE FUSE GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START E/G RM- J/B 5 (LEFT SIDE OF DASH) LT GRN WIRE NCA WIRE ON- +RES -SET MODE OFF PNK WIRE RED WIRE RELAY SPIRAL CABLE (IN STEERING COLUMN) STEERING PAD SWITCH W/ MODULATOR STEERING SWITCH ECU THROTTLE POSITION SENSOR (ON THROTTLE BODY) TRANSMISSIONS SYSTEM VIO WIRE W/ PADDLE SHIFT SWITCH W/O PADDLE SHIFT SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

ASEL BATB BLK WIRE BLU WIRE BZR CANN CANP CLGB COMPUTER DATA DATA LINES DOOR CONTROL RECEIVER (RIGHT REAR OF LUGGAGE COMPT) ECU-B FUSE ELECTRICAL KEY ANTENNA ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FMIG FR CTR BAT FUSE FR CTRL ALT FUSE FRONT CONTROLLER (RIGHT FRONT OF ENGINE COMPT) FUSE GRN WIRE HDCY HOOD COURTESY SWITCH (FRONT CENTER OF ENGINE COMPT) HORH HORL HORNS HOT AT ALL TIMES HOT IN ON OR START LT GRN WIRE ORG/ WIRE OUTSIDE LUGGAGE ELECTRICAL KEY ANTENNA (RIGHT SIDE OF REAR BUMPER) P RR DOOR FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE RSSI SECURITY HORN (LEFT REAR OF ENGINE COMPT) SYSTEM SYSTEMS VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT REAR OF ENGINE COMPT) YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 HORL HORH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 S/M WIG AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BODY ECU CIRCUIT BRN WIRE CANP CANN FMIG FFOG HRLY HEAD LIN DEFOGGER SYSTEM DGS DGSE DOOR LOCKS SYSTEM COOLING FANS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM INSTRUMENT CLUSTER SYSTEM STARTING/CHARGING SYSTEM ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FR CTRL ALT FUSE FRWA S/S +2 PNK WIRE FUSE GRN WIRE HDLO HEADLIGHTS SYSTEM HLHR HLHL HORNS SYSTEM HOT AT ALL TIMES ECU-B FUSE HOT AT ALL TIMES FR CTRL BAT FUSE HOT IN ON OR START LT BLU WIRE LT GRN WIRE MOL MOPS ALTL WLVL BZR MOLE ORG/ WIRE PNK CRAL SIDL WIRE PNK WIRE PRS SG CRAR SIDR RDEF FDEF RED WIRE SH- ALTB TME TM HDCY VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM DOOR LOCKS SYSTEM YEL WIRE