Lexus SC II facelift (2005-2010) yel/blk Wiring diagrams

ABS IG FUSE AFS ECU (LEFT END OF DASH) AFS OFF INDICATOR AFS OFF SWITCH BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM D-IG FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) FLO FRONT HEIGHT CONTROL SENSOR FUSE GRN WIRE GRN/BLK WIRE H-LP LVL FUSE HOT AT ALL TIMES HOT IN ON OR START IH (UNDER STEERING COLUMN) J/C 9, 10 (BEHIND TOP LEFT END OF DASH) JUNCTION CONNECTOR 13 (BEHIND RIGHT SIDE OF DASH) LEFT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (BEHIND LEFT HEADLIGHT) LIGHT HEADLIGHT SWIVEL MOTOR (BEHIND LEFT HEADLAMP ASSEMBLY) LT GRN WIRE MOTOR MPX MPXB MSW PASSENGER SIDE J/B PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK WIRE POWER SUPPLY CIRCUIT REAR HEIGHT CONTROL SENSOR (UNDER LEFT REAR OF VEHICLE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (BEHIND RIGHT HEADLIGHT) RIGHT HEADLIGHT SWIVEL MOTOR (BEHIND RIGHT HEADLAMP ASSEMBLY) SENSOR SGF SMGR SMGL SGR SKID CONTROL ECU (BEHIND LEFT END OF DASH) SMBR SMBL SMR SML SPDL SS+ SS- SHRL SBR WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SRLR 1 2 3 VCM PMC 14 17 15 16 ENG+ TRC- ENG- TRC+ ABS 1 FUSE ABS 2 FUSE ABS MOTOR RELAY ABS SOL RELAY BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE ACTUATOR (LEFT REAR OF ENGINE BRAKE FLUID LEVEL WARNING SWITCH (IN BRAKE FLUID RESERVOIR) BRN WIRE COMPT) EE (REAR OF LEFT FENDER) ENG ENG+ LBL LBL TRC- SOL+ ENGINE ROOM 2 R/B (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) FR- FR+ FL- FL+ FSS GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE JUNCTION CONNECTOR 8 (BEHIND LEFT END OF DASH) LT GRN WIRE MASTER CYLINDER PRESSURE SENSOR (AT LEFT REAR CORNER OF ENGINE COMPT) MT- SR MTT MT+ NCA WIRE ORG/ WIRE PNK TRC+ SOL- WIRE PNK WIRE PPS SOLENOID (AT RIGHT FRONT OF ENGINE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SFLH PMC SFLR SRRH SRRR VCM PH SFRH SRLH AST SFRR PL SHORT PIN 3 SKID CONTROL ECU (BEHIND LEFT END OF DASH) STR+ TRAC MOTOR RELAY TRANSLATE ECU (LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 4 5 6 GND CPUB SIG BDR 18 10 MUL 2 13 MPX+ MPX- 25 26 LCTE LCT 3 4 13 6 5 20 LSW KUL KL A+ A- CPSE 3 5 6 20 LSW A- A+ CPSE 4 8 LCTY LCM+ 8 19 20 22 27 29 30 ML MUL 8 9 19 21 22 27 28 30 ML WLSW MUL PWS BL (UNDER DRIVER'S SEAT) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM CTY DLE PNK WIRE CTY PWE D DOOR FUSE DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM 1 R/B (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) MPX-IG FUSE ILL INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) LEFT DOOR COURTESY SWITCH LEFT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU (AT LEFT REAR CORNER OF LUGGAGE COMPT) ORG/ WIRE P DOOR FUSE PASSENGER DOOR ECU (IN RIGHT DOOR) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK WIRE RADIO 2 FUSE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT DOOR COURTESY SWITCH RIGHT DOOR LOCK CONTROL SWITCH RIGHT DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH (IN RIGHT FRONT DOOR) SECURITY FUSE SLIDING ROOF CONTROL ECU (IN LEFT REAR OF LUGGAGE COMPT) TAIL FUSE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

+BM 1 2 3 4 5 6 22 23 28 29 M- M+ 2 4 5 6 8 13 17 EC BATT 3 4 26 27 31 32 33 34 35 TC STP ACCEL PEDAL POSITION SENSOR (BEHIND LEFT CENTER OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER COMPT, IN ECU BOX) COMPUTER DATA LINES SYSTEM CRUISE CRUISE CONTROL SWITCH (COMBINATION SWITCH) CRUISE IND DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) STPI EB (RIGHT SIDE OF CYLINDER HEAD) EC (LEFT SIDE OF CYLINDER HEAD) ECC RES/ ED (REAR OF LEFT FENDER) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE ENGINE ROOM 2 R/B (ON LEFT EFI RELAY GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES STOP FUSE HOT IN ON OR START DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) D-IG FUSE IH (UNDER STEERING COLUMN) JUNCTION CONN- ECTOR 2 (IN ENGINE ROOM 2 R/B) JUNCTION CONNECTOR JUNCTION CONNECTOR 2 (IN ENGINE ROOM 2 R/B) JUNCTION CONNECTOR 3 (IN ENGINE ROOM 2 R/B) JUNCTION CONNECTOR 4, 5 (IN ECU BOX) JUNCTION CONNECTORS 5 (IN ECU BOX) MREL IGSW NCA WIRE PARK/ NEUTRAL POSITION SWITCH (ON TRANSMISSION) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SET/ COAST SG TC SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) SKID CONTROL ECU (BEHIND LEFT END OF DASH) SPEEDOMETER STOP LIGHT SWITCH (ON TOP OF BRAKE PEDAL BRACKET) THROTTLE BODY ASSEMBLY VEHICLE SPEED SENSOR (ELECTRONICALLY CONTROLLED TRANSMISSION) (ON TRANSMISSION) VIO WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE YEL RED/ WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

1 2 PNK WIRE 14 5 MOL MOPS 22 24 25 SPD CANL CANH 9 11 12 18 PNK WIRE A/C FUSE ABS IND. AFS OFF IND (USA) MAINT REQD IND BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BRAKE FLUID LEVEL WARNING SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE BUZZER CENTER J/B (BEHIND RIGHT CENTER OF DASH) CHARGE IND OIL PRESSURE IND CIRCUIT SUPPLY POWER CLOCK (A/C CONTROL ASSEMBLY) +B COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND CTY DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECT PWR IND ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SENSOR (ON RIGHT FRONT OF ENGINE) ETC SNOW IND EXTERIOR LIGHTS SYSTEM INTERIOR FRONT FOG IND FUEL FUEL IND FUEL SENDER (MAIN) (IN FUEL TANK) FUEL SENDER (SUB) (IN FUEL TANK) FUSE GRN WIRE GRN/BLK WIRE HEAD IND (USA) HIGH BEAM IND HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) D-IG FUSE IH (UNDER STEERING COLUMN) II (ON LEFT SIDE DASH BRACE) INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) J/C 13 (BEHIND RIGHT SIDE OF DASH) J/C 4 (IN ECU BOX) LBL LCD (ODOMETER/ TRIP) LCD (SEQUENTIAL) LEFT DOOR COURTESY SWITCH LEFT TURN IND LIGHTS SYSTEM LT BLU WIRE LT GRN WIRE MALFUNCTION IND LAMP MPXB MULTI- DISPLAY SPD MULTI-DISPLAY NAVIGATION ECU (AT RIGHT REAR CORNER OF LUGGAGE COMPT) OIL LEVEL IND OIL PRESSURE SWITCH (ON LEFT FRONT SIDE OF ENGINE) OPEN DOOR IND ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PASSENGER DOOR ECU (IN RIGHT DOOR) PASSENGER SIDE J/B PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RADIO 2 FUSE REAR LIGHTS IND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT DOOR COURTESY SWITCH RIGHT TURN IND SEAT BELT IND SKID CONTROL ECU (BEHIND LEFT END OF DASH) SLIP IND SPEEDOMETER SRS IND STEREO COMPONENT AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPT) TAC TACH TACHOMETER TAIL IND (CANADA) TIRE PRESSURE IND TRIP SWITCH VIO WIRE VSC OFF IND W/ NAVIGATION SYSTEM WARNING SYSTEM WASHER IND WATER TEMPERATURE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BEHIND STRUT TOWER) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CIR OPN RELAY D-IG FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ED (REAR OF LEFT FENDER) EFI FUSE EFI RELAY EFII EFIO ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) ETCS FUSE F/ PMP RELAY FORWARD OF STRUT TOWER) FUEL PUMP RESISTOR (AT LEFT REAR OF ENGINE COMPT) FUEL PUMP, SENDER (IN FUEL TANK) GRN/BLK WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT AT ALL TIMES DRIVER SIDE J/B STOP FUSE (BEHIND LEFT KICK PANEL) HOT IN ON OR START IGN FUSE J/C 17 (LEFT REAR OF LUGGAGE COMPT) J/C 2 (IN ENGINE ROOM R/B 2) J/C 3 (IN ENGINE ROOM R/B 2) LT GRN WIRE OBD FUSE ORG/ WIRE RED WIRE RED/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLK WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE EFI 2 FUSE EKNK ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES IGNITION SWITCH KNOCK SENSOR (BANK 1) (ON TOP CENTER OF ENGINE) KNOCK SENSOR (BANK 2) (ON TOP CENTER OF ENGINE) LOCK LT GRN WIRE MOL MOPS NCA WIRE OIL PRESSURE SWITCH (ON LEFT FRONT SIDE OF ENGINE) ORG/ WIRE RED WIRE SHORT PIN 1 SHORT PIN 2 STARTER FUSE STARTER RELAY VEHICLE SPEED SENSOR (ELECTRONICALLY CONTROLLED TRANSMISSION) (ON TRANSMISSION) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLK WIRE

B+ B- BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CANISTER PRESSURE SENSOR CANISTER PUMP MODULE (REAR OF VEHICLE CHASSIS) EB (RIGHT SIDE OF CYLINDER HEAD) EC (LEFT SIDE OF CYLINDER HEAD) GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE IH (UNDER STEERING COLUMN) J/C 24 (LEFT SIDE OF ENGINE COMPT) J/C 4 (IN ECU BOX) J/C 4, 5 (IN ECU BOX) LEAK DETECTION PUMP LEVEL TEMP LT GRN WIRE NCA WIRE ORG/ WIRE P/N SGND VCC VOUT VENT VALVE WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (ON TOP RIGHT SIDE OF ENGINE) ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT IN ON OR START INJ FUSE J/C 23 (LEFT SIDE OF ENGINE COMPT) MASS AIRFLOW (MAF) METER (ON RIGHT SIDE OF ENGINE COMPT, IN AIR INTAKE DUCT) NCA WIRE ORG/ WIRE PNK/BLU WIRE RED/BLU WIRE THA VSV (ACIS) (ON TOP RIGHT REAR OF ENGINE) VSV (PURGE) (ON TOP REAR OF ENGINE) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

+BM ACIS AIR CONDITIONING SYSTEM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CRANKSHAFT POSITION SENSOR (ON LEFT FRONT OF ENGINE) EB (RIGHT SIDE OF CYLINDER HEAD) ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE IGF IGNITION COIL, IGNITER 2 IGNITION COIL, IGNITER 3 IGNITION COIL, IGNITER 5 IGNITION COIL, IGNITER 6 IGNITION IGNITION COIL, COIL, IGNITER 4 IGNITER 8 IGNITION IGNITION COIL, COIL, IGNITER 7 IGNITER 1 IGT INJ 8 INJ 6 INJ 4 INJ 2 J/C 23 (LEFT SIDE OF ENGINE COMPT) LCKI PRG INJ 7 INJ 5 INJ 3 INJ 1 LEFT CAMSHAFT TIMING OIL CONTROL VALVE (TOP LEFT SIDE OF ENGINE) LT GRN WIRE NCA WIRE NE- NE+ OCR- OCR+ PNK/BLU WIRE RED WIRE RED/BLU WIRE RIGHT VVT SENSOR (ON TOP RIGHT SIDE OF ENGINE) STARTING/CHARGING SYSTEM THA WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE