Lexus LS III facelift (2003-2006) ef (on left cylinder head) Wiring diagrams

15 12 7 4 5 WFSE TS SIL CG SG 7 6 SPDR SPDL ABS 1 FUSE ABS CUT RELAY (ON LEFT REAR OF ENGINE COMPT) ABS MTR RELAY AFS ECU (RIGHT SIDE OF DASH) ASSEMBLY) LEFT REAR ABS SPEED SENSOR BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BM FR+ FL- RR+ RL- FSW+ BRAKE PEDAL LOAD SENSING SWITCH BRN WIRE BRN/WHT WIRE BZ +BS COMPUTER DATA LINES SYSTEM D/G MRF MR DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) DRIVER SIDE J/B EC (AT LEFT RADIATOR SIDE SUPPORT) EF (ON LEFT CYLINDER HEAD) ENGINE ROOM 3 R/B FR- FL+ RR- RL+ FRO FLO FUSIBLE LINK BLOCK (ON RIGHT ABS 2 FUSE REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES INIT WFSE CSW JUNCTION CONNECTOR 16, 17 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 3, 4 (LEFT FRONT OF ENGINE COMPT) LBL CANH LEFT FRONT ABS SPEED SENSOR LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT END OF DASH, ON PARKING BRAKE MECHANISM) PNK WIRE PRESSURE SWITCH (LOWER LEFT SIDE OF DASH) RED WIRE RED/WHT WIRE RED/YEL WIRE STP PKB TRACTION CONTROL SWITCH TS CANL VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EF (ON LEFT CYLINDER HEAD) ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE CONTROL MODULE (ECM) (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM R/B 1 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) EOIL FR IG FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE HOT IN HOT IN ON OR START IGN FUSE IK (RIGHT SIDE OF FIREWALL) J/C 3, J/C 4 (LEFT FRONT OF ENGINE COMPT) LT GRN WIRE MPX NT- OIL PWR PWR SNOW RED WIRE RED/BLK WIRE RED/WHT WIRE SLT- SLU+ SNOW STA FUSE TURBINE SPEED SENSOR (IN TRANSMISSION) VEHICLE SPEED SENSOR (ON TRANSMISSION) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

+BM 1 2 M+ M- 2 7 SR BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DOME FUSE DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B GAUGE FUSE (AT LEFT KICK PANEL) EE (ON RIGHT CYLINDER HEAD) EF (ON LEFT CYLINDER HEAD) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) EOIL OIL SLT- SLT+ FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 12,13 (BEHIND UPPER CENTER OF DASH) J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) J/C 3, 4 (LEFT FRONT OF ENGINE COMPT) MULTI-DISPLAY PASSENGER SIDE J/B PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE SHIELD SHIELD 4 5 6 28 29 22 23 SLU- SLU+ SPEEDOMETER THROTTLE POSITION SENSOR, MOTOR (ON THROTTLE BODY) TRANSMISSIONS SYSTEM VEHICLE SPEED SENSOR (ON TRANSMISSION) VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

2 7 SR BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DOME FUSE DRIVER SIDE J/B (AT LEFT KICK PANEL) EE (ON RIGHT CYLINDER HEAD) EF (ON LEFT CYLINDER HEAD) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) EOIL OIL SLT- SLT+ FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE RED WIRE RED/WHT WIRE SHIELD SHIELD 1 2 4 5 6 28 29 22 23 M- M+ SLU- SLU+ SPEEDOMETER THROTTLE POSITION SENSOR, MOTOR (ON THROTTLE BODY) TRANSMISSIONS SYSTEM VEHICLE SPEED SENSOR (ON TRANSMISSION) VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

AIR BAG SENSOR ASSEMBLY BLK WIRE BLK/RED WIRE BRN WIRE CAMSHAFT POSITION SENSOR SHIELD COMBINATION SWITCH CRANKSHAFT POSITION SENSOR SHIELD D-ACC RELAY RELAY DEFOG RELAY FRONT CONTROLLER DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU EE (ON RIGHT CYLINDER HEAD) EF (ON LEFT CYLINDER HEAD) ENGINE COMPT) ENGINE CONTROL MODULE ENGINE CONTROL MODULE LASER SENSOR ENGINE OIL LEVEL SENSOR FUEL LID OPENER SWITCH OUTER MIRROR SWITCH HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) SHIELD HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD HEATED OXYGEN SENSOR (BANK 2 SENSOR 1) SHIELD HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) SHIELD IGNITION COIL, IGNITER 1 IGNITION COIL, IGNITER 2 IGNITION COIL, IGNITER 3 IGNITION COIL, IGNITER 4 IGNITION COIL, IGNITER 5 IGNITION COIL, IGNITER 6 IGNITION COIL, IGNITER 7 IGNITION COIL, IGNITER 8 IJ (AT RIGHT DASH BRACE) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 3, 4 (LEFT FRONT OF J/C 33, 34 (LEFT FRONT OF ENGINE COMPT) J/C 8 (BEHIND LEFT END OF DASH) J/C 9 (BEHIND LEFT END OF DASH) JUNCTION CONNECTOR KEY INTERLOCK SOLENOID UNLOCK WARNING SWITCH KNOCK SENSORS SHIELD LEFT VVT SENSOR SHIELD LUGGAGE COMPARTMENT DOOR OPENER SWITCH MULTI-DISPLAY POWER TILT, POWER TELESCOPIC ECU RADIO, PLAYER RHEOSTAT RIGHT VVT SENSOR SHIELD SGND SHIELDED SHIELDED SHIELDED STEERING LOCK ECU IG (AT LEFT SIDE OF DASH) IH (AT RIGHT SIDE OF SHIFT LEVER) STEERING SENSOR TELEPHONE TRANSCEIVER, SPEAKER RELAY DISTANCE CONTROL ECU TELESCOPIC MOTOR, POSITION SENSOR SHIELD TILT MOTOR, POSITION SENSOR SHIELD TRANSMISSION CONTROL SWITCH DATA LINK CONNECTOR 3 UN- SLN- GND CG UNLOCK WARNING SWITCH GATEWAY ECU W/ NAVIGATION W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM W/ SMART KEY W/O SMART KEY WHT WIRE WHT/BLK WIRE

25 24 CAN H CAN L 4 16 MPX- PIND 5 14 MOPS MOL A/B A/C CONTROL ASSEMBLY A/T D A/T R ABS IND. AFS OFF IND AT-N AT-P AT-S BEAM IND BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BO (AT RIGHT REAR QUARTERPANEL) BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE IND BRN WIRE CAN H CAN L LBL- PKB CENTER CLUSTER INTEGRATION PANEL CHARGE IND CLOCK (W/O NAVIGATION) COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DISPLAY MULTI DOME FUSE DOOR IND DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B (AT LEFT KICK PANEL) GAUGE FUSE EC (AT LEFT RADIATOR SIDE SUPPORT) ECT PWR IND ECT SNOW IND EF (ON LEFT CYLINDER HEAD) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT, IN PROTECTIVE CASE) ENGINE CONTROLS SYSTEM ELECTRONIC SUSPENSION SYSTEM ENGINE OIL LEVEL SENSOR (ON LEFT CENTER OF ENGINE) EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FRONT FOG IND FSME FSMS FSMV FSSE FSSS FSSV FUEL GAUGE FUEL IND FUEL SENDER (MAIN) (UNDER LEFT REAR OF VEHICLE, FORWARD OF LEFT REAR FENDERWELL) FUEL SENDER (SUB) (FORWARD OF RIGHT REAR FENDERWELL) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRY WIRE GRY/BLK WIRE HEAD IND (USA) (CANADA) TAIL IND HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) ILL+ PBEW INTERIOR LIGHTS SYSTEM ELECTRONIC SUSPENSION SYSTEM J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER J/C 16, 17 (BEHIND UPPER CENTER OF DASH) J/C 29 (REARWARD OF RIGHT REAR FENDERWELL) J/C 30 J/C 4 (LEFT FRONT OF ENGINE COMPARTMENT) LEFT TURN IND LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE LUGGAGE COMPT) LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF MALFUNCTION IND LAMP MASTER IND MPX MPX+ COMPUTER DATA LINES SYSTEM MPX- MULTI-DISPLAY NAVIGATION, ENGINE CONTROLS, ELECTRONIC POWER STEERING, SOUND SYSTEMS NUM ODO OF DASH) OF DASH, ON PARKING BRAKE MECHANISM) ORG/ WIRE P-ACC FUSE P-IG FUSE PARKING BRAKE SWITCH (BEHIND LEFT END PASSENGER SIDE J/B PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) FUSE PASSENGER SIDE J/B ECU PBEW PBLT PNK WIRE PNK/BLK WIRE RED WIRE RED/ LT GRN WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT PAD WEAR INDICATOR SWITCH (RIGHT FRONT ABS SPEED SENSOR) RIGHT REAR PAD WEAR INDICATOR SWITCH (RIGHT REAR ABS SPEED SENSOR) RIGHT TURN IND RSET SEAT BELT IND SHIFT RANGE POSITION INDICATOR LIGHT SKID CONTROL ECU W/ ACTUATOR (BEHIND LEFT SIDE OF DASH) SLIP IND SPEEDOMETER SRS IND TAC TACHOMETER TAMOUT TC TAMO IG+ TECH TEMS TEMS SPORT IND TRAC OFF IND TRIP TRIP SWITCH VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE WATER TEMP GAUGE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BRN WIRE CMP COMBINATION METER COMBINATION SWITCH TLSW COMPUTER DATA LINES DRIVER SIDE J/B (AT LEFT KICK PANEL) EF (ON LEFT CYLINDER HEAD) GND MCI+ MCI- MACC GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC OR ON J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) J/C 3, 4 (LEFT FRONT OF ENGINE COMPT) LT GRN WIRE LT GRN/RED WIRE MULTI-DISPLAY NCA WIRE P-ACC FUSE P-IG FUSE PARKING BRAKE SWITCH (BEHIND LEFT END OF DASH, ON PARKING BRAKE MECHANISM) PASSENGER RADIO 1 SIDE J/B FUSE (AT RIGHT KICK PANEL) PBEW PNK TELSW+ TELSW- WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/GRN WIRE SLD MCO+ MCO- SLD IVO+ IVO- VR SOUND SYSTEMS SYNC VG SYSTEM VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EF (ON LEFT CYLINDER HEAD) ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE ROOM R/B 1 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEAD- LIGHT) FUEL INJ 1 FUEL INJ 3 FUEL INJ 8 FUEL INJ 6 FUEL INJ 4 FUEL INJ 2 FUEL INJ 7 FUEL INJ 5 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (ON EXHAUST SYSTEM, BELOW VEHICLE) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (ON EXHAUST SYSTEM, BELOW VEHICLE) HOT IN ON OR START IK (RIGHT SIDE OF DASH) INJ FUSE J/C 3, J/C 4 (LEFT FRONT OF ENGINE COMPT) LT GRN WIRE MPX PWR PWR SNOW RED WIRE SNOW WHT WIRE WHT/BLK WIRE YEL/BLK WIRE