Lexus LS III facelift (2003-2006) sgnd Wiring diagrams

+B STI- MREL IGSW CCHG CANL CANH SPD LGND 13 12 STPI STPO 2 4 5 6 8 13 17 20 24 25 22 29 EC BATT 4 3 9 19 26 27 30 31 32 33 34 35 STP TC ACCEL POSITION SENSOR (BEHIND LEFT CENTER OF DASH) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE CANH CANL SGND COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE DISTANCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) DRIVER SIDE J/B STOP FUSE (AT LEFT KICK PANEL) EC (AT LEFT RADIATOR SIDE SUPPORT) ETCS FUSE EFI 1 FUSE FR IG FUSE GND IGB GRN/BLK WIRE GRN/ORG WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IGB IGN FUSE J/C J/C 1, 2 (LEFT FRONT OF ENGINE COMPT) J/C 35 (LEFT SIDE OF DASH) LASER RADAR SENSOR (BEHIND RIGHT SIDE OF FRONT BUMPER FASCIA) LGND LRDD LRDD LRRD LRRD LT GRN WIRE MODE R/N CRUISE CONTROL SWITCH OBD FUSE ORG/ WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RES+ SET/ COAST SFTD SFTU CCS SGND SHORT CONNECTOR (LEFT FRONT OF ENGINE COMPT) STOPLIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) TRANSMISSIONS SYSTEM VIO WIRE VIO/WHT WIRE VIO/YEL WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL GRN/ WIRE YEL/BLK 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

AUDIO, REAR A/C CONTROL SWITCH BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BM (AT LEFT REAR QUARTERPANEL) BP (AT LEFT REAR SEAT BACK) BRN WIRE CLEARANCE SONAR ECU CLIMATE CONTROL SEAT ECU (DRIVER'S SEAT) CLIMATE CONTROL SEAT ECU (LEFT REAR SEAT) CLIMATE CONTROL SEAT SWITCH (REAR) REAR ARMREST COURTESY SWITCH DOOR LOCK SWITCH (LUGGAGE) DRIVER SEAT ECU FRONT SEAT) FUEL LID OPENER MOTOR HIGH MOUNTED STOP LIGHT J/C 21 (FORWARD OF LEFT REAR FENDERWELL) J/C 23 (REARWARD OF LEFT REAR FENDERWELL) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPT LID) J/C 31 (BEHIND LEFT REAR SEAT BACK) LEFT FRONT BUCKLE SWITCH LEFT FRONT SEAT HEATER LEFT REAR COMBIN- ATION LIGHT LEFT REAR DOOR ECU DRIVER DOOR ECU LEFT REAR HEAD REST LIMIT SWITCH LEFT REAR SEAT ECU LEFT REAR SUSPENSION CONTROL ACTUATOR LEFT VIBRATION SEAT ECU LUGGAGE COMPARTMENT DOOR CLOSER MOTOR LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH LUGGAGE ELECTRICAL KEY SWITCH LUGGAGE OSCILLATOR (INNER) LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU LUGGAGE ROOM J/B ECU FUEL PUMP NOISE FILTER POWER SEAT CONTROL SWITCH (DRIVER'S SEAT CUSHION) POWER SEAT CONTROL SWITCH (DRIVER'S SEAT LUMBAR SUPPORT) POWER SEAT CONTROL SWITCH (REAR) POWER SEAT POSITION SENSOR (DRIVER'S SEAT CUSHION CONTROL) POWER SEAT POSITION SENSOR (REAR PASSENGER'S LEFT SEAT SLIDE CONTROL) REAR HEIGHT CONTROL VALVE REAR SUNSHADE CONTROL RELAY REAR SUNSHADE SWITCH (REAR) RIGHT REAR COMBIN- ATION LIGHT SGND TO LUGGAGE ROOM J/B (DIAGRAM 5 OF 5) W/ REAR AUDIO CONTROLLER W/ REAR POWER SEAT WHT WIRE WHT/BLK WIRE

AIR PURIFIER LIGHT A/C AMPLIFIER BLK WIRE BN (AT RIGHT REAR FLOOR PARTITION PANEL) BO (AT RIGHT REAR QUARTERPANEL) BQ (AT RIGHT REAR SEAT BACK) CIGARETTE LIGHTER (REAR) CLIMATE CONTROL SEAT ECU (FRONT PASSENGER'S SEAT) CLIMATE CONTROL SEAT ECU (RIGHT REAR SEAT) COOL BOX ILLUMINATION SMOKE SENSOR DOOR LOCK CONTROL RECEIVER FRONT PASSENGER DOOR ECU IR (UNDER RIGHT FRONT SEAT) J/C 27 (FORWARD OF RIGHT REAR FENDERWELL) J/C 28, 29 (REARWARD OF RIGHT REAR FENDERWELL) J/C 30 (REARWARD OF RIGHT REAR FENDERWELL) JUNCTION CONNECTOR LEFT REAR SEAT HEATER RIGHT REAR SEAT HEATER LUGGAGE OSCILLATOR (INNER) NAVIGATION ECU POWER SEAT CONTROL SWITCH (FRONT PASSENGER'S SEAT LUMBAR SUPPORT) POWER SEAT CONTROL SWITCH (FRONT PASSENGER'S SEAT) POWER SEAT POSITION SENSOR (REAR PASSENGER'S RIGHT SEAT SLIDE CONTROL) REAR BLOWER MOTOR REAR CIGARETTE LIGHTER REAR DAMPER SERVO MOTOR REAR OF LUGGAGE COMPT) REAR WINDOW DEFOGGER RIGHT FRONT SEAT HEATER RIGHT REAR DOOR ECU RIGHT REAR HEAD REST LIMIT SWITCH RIGHT REAR PAD WEAR INDICATOR SWITCH (RIGHT REAR ABS SPEED SENSOR) RIGHT REAR SEAT ECU RIGHT REAR SEAT HEATER RIGHT REAR SUSPENSION CONTROL ACTUATOR RIGHT VIBRATION SEAT ECU ROOM OSCILLATOR (REAR) SEAT HEATER SWITCH (REAR) RIGHT ARMREST COURTESY SWITCH (W/ REAR SEAT HEATER) SGND SNSE STEREO COMPONENT AMPLIFIER STEREO COMPONENT TUNER TELEPHONE TRANSCEIVER/ SPEAKER RELAY TELEVISION CAMERA ECU W/ REAR POWER SEAT W/O REAR POWER SEAT WHT WIRE WHT/BLK 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 25 +B SLD+ 30 8 9 7 4 MSWE CAN IND 5 3 1 SYSB PNK WIRE 7 18 20 CTY BLK WIRE BLK/RED WIRE BLU WIRE BN (AT RIGHT REAR FLOOR PARTITION PANEL) BP (AT LEFT REAR SEAT BACK) BRN/WHT WIRE CAN 7 8 3 SGND COMPUTER DATA LINES SYSTEM DOWN DRIVER SIDE J/B (AT LEFT KICK PANEL) FUSE GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HDWN HOT AT ALL TIMES HRSW HUP GND SLD- IK (AT RIGHT SIDE OF DASH) IND J/C 23 (REARWARD OF LEFT REAR FENDERWELL) BM (AT LEFT REAR QUARTERPANEL) J/C 30 (REARWARD OF RIGHT REAR FENDERWELL) J/C 31 (BEHIND LEFT REAR SEAT BACK) LEFT REAR DOOR COURTESY SWITCH (AT LEFT "C" PILLAR) LEFT REAR HEAD REST LIMIT SWITCH (IN REAR SEAT ASSEMBLY) LEFT REAR SEAT MEMORY SWITCH LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) RRSW PNK/BLK WIRE PNK/BLU WIRE PVCC REAR DOOR ECU (LEFT) (INSIDE LEFT REAR DOOR) REAR DOOR ECU (RIGHT) (INSIDE RIGHT REAR DOOR) REAR SEAT CONTROL SWITCH REAR SEAT ECU (LEFT) (BEHIND LEFT SIDE OF REAR SEAT BACK) REAR SEAT ECU (RIGHT) (BEHIND RIGHT SIDE OF REAR SEAT BACK) REAR SEAT RESET SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT REAR DOOR COURTESY SWITCH (AT RIGHT "C" PILLAR) RIGHT REAR HEAD REST LIMIT SWITCH (IN REAR SEAT ASSEMBLY) RIGHT REAR SEAT MEMORY SWITCH RR SEAT (LH) FUSE RR SEAT (RH) FUSE SET- SGND SSRH SGND SSRS SSRS SEL SSRV SYSB VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE