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

3 11 6 5 WSH-RLY WLVL 4 9 1 2 MPX- S/M S/S +2 AIR BAG BLK WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ED (REAR OF LEFT FENDER) ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) FRONT CONTROLLER FRONT WIPER MOTOR (ON LEFT SIDE OF FIREWALL) GRN WIRE GRY WIRE GRY/BLU WIRE HEADLAMP WASHER CIRCUIT HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) D-IG FUSE J/C 3 (IN ENGINE ROOM 2 R/B) J/C 8 (BEHIND LEFT END OF DASH) MPX PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (RIGHT SIDE KICK PANEL) POWER SUPPLY CIRCUIT RED WIRE RED/YEL WIRE VIO WIRE WASH RELAY WASHER FUSE WASHER IND WASHER LEVEL SENSOR (LEFT FRONT OF ENGINE COMPARTMENT) WASHER MOTOR (LEFT FRONT OF ENGINE COMPARTMENT) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIP WIPER FUSE YEL WIRE

1 2 3 4 5 6 IG PB HDLO 3 6 5 WSH-RLY 4 11 9 10 HEAD BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BU+ HEAD COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) ED (REAR OF LEFT FENDER) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) FRONT CONTROLLER FRONT WIPER/ WASHER CIRCUIT FRWA GRN WIRE GRY WIRE GRY/BLU WIRE H-LP CLN FUSE HDCL HDLO HEADLIGHT CLEANER CONTROL RELAY (AT LEFT FRONT OF ENGINE COMPT, BEHIND BUMPER) HEADLIGHT CLEANER MOTOR (AT LEFT FRONT CORNER OF ENGINE COMPT, BEHIND HEADLIGHT) HEADLIGHT CLEANER SWITCH HOT AT ALL TIMES HOT IN ON OR START DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) D-IG FUSE J/C 3 (IN ENGINE ROOM 2 R/B) J/C 5 (IN ECU BOX) LT BLU WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RED WIRE RED/BLK WIRE RED/YEL WIRE VIO WIRE WASH RELAY WASHER FUSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

11 12 13 14 FSR+ FSR- BSW BGND 24 16 FSR- FSR+ AIR BAG SENSOR ASSEMBLY (UNDER FRONT OF CENTER CONSOLE) BLK WIRE BLK/RED WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BUCKLE SWITCH BUZZER CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM CTY D-IG FUSE DBKL DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/BLK WIRE GRN/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) HOT IN ON OR START IH (UNDER STEERING COLUMN) J/C 13 (BEHIND RIGHT SIDE OF DASH) J/C 17 (LEFT REAR OF LUGGAGE COMPT) LAPB LEFT BUCKLE SWITCH (IN LEFT FRONT SEAT BELT BUCKLE) LEFT DOOR COURTESY SWITCH LT GRN WIRE LT GRN/BLK WIRE MPX MPXB OCCUPANT CLASSIFICATION ECU (UNDER FRONT PASSENGER'S SEAT) OPEN DOOR IND ORG/ WIRE P-IG FUSE PBEW PBLT PNK/BLU WIRE POWER SUPPLY CIRCUIT RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT BUCKLE SWITCH (IN RIGHT FRONT SEAT BELT BUCKLE) SEAT BELT IND SPEEDOMETER TELLTALE LIGHT ASSEMBLY FRONT PASSENGER SEAT BELT WARNING LIGHT TRANSPONDER KEY COMPUTER (LEFT SIDE OF DASH, BEHIND GAUGE ASSEMBLY) UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

1 2 3 4 5 6 10 11 21 GND DN UP CPUB SIG BDR LMT 1 2 3 4 5 6 10 11 21 GND DN UP CPUB SIG BDR LMT SGND PLS 2 5 8 9 14 15 16 19 20 21 22 23 25 27 29 30 AUTO 2 9 20 22 23 25 27 29 30 AUTO WLSW 4 13 20 KUL KL CPSE AUTO BL (UNDER DRIVER'S SEAT) BLK WIRE BLK/ WHT WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BZR CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMPUTER DATA LINES SYSTEM D DOOR FUSE DATA DDN DN AUTO UP AUTO DN MAN UP MAN DRIVER DOOR ECU (IN DRIVER'S DOOR) DUP FUSE GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG RDA RSSI IH (UNDER STEERING COLUMN) JUNCTION CONNECTOR 13 (BEHIND RIGHT SIDE OF DASH) JUNCTION CONNECTOR 18 (RIGHT REAR OF LUGGAGE BQ COMPARTMENT) JUNCTION CONNECTOR 9, 10 (BEHIND TOP LEFT END OF DASH) LEFT DOOR COURTESY SWITCH LEFT POWER WINDOW MOTOR (IN LEFT DOOR) LMT LMT PLS LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPT) ML WLSW MPX RCO GND MPX-IG FUSE MUL MUP MDN CTY PWE ORG/ WIRE P DOOR FUSE PASSENGER DOOR ECU (IN RIGHT DOOR) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PCT PLS PNK/BLU WIRE POWER WINDOW MASTER SWITCH PWS RADIO 2 FUSE RED WIRE RED/ BLU WIRE RED/BLU WIRE RED/WHT WIRE RIGHT DOOR COURTESY SWITCH RIGHT POWER WINDOW CONTROL SWITCH RIGHT POWER WINDOW MOTOR (IN RIGHT DOOR) RSSI SECURITY FUSE THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) VIO WIRE VIO/WHT WIRE W/L WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WIRELESS DOOR LOCK BUZZER WIRELESS DOOR LOCK CONTROL RECEIVER YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 13 14 15 16 17 18 19 20 +B ILL 10 5 PNK TX- TX+ WIRE 6 21 GTX+ GTX- PNK WIRE 6 5 4 4 3 2 1 1 PNK TXS- WIRE ANTA ANTB TXS+ ATX- ATX+ AUDIO DOOR CONTROL SWITCH AUO+ AUO- BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER D-IG FUSE DOME FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM 1 R/B (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RADIO 2 FUSE HOT IN ON OR START IG+ IG+ IH (UNDER STEERING COLUMN) IG (BEHIND CENTER OF DASH) IJ (ON RIGHT SIDE DASH BRACE) ILL- ANT INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) J/C 12 (BEHIND RIGHT SIDE OF DASH) J/C 13 (BEHIND RIGHT SIDE OF DASH) LT GRN WIRE MPXB MULTI-DISPLAY MUTE R+ L+ SGND NAVIGATION ECU (IF EQUIPPED) (AT RIGHT REAR CORNER OF LUGGAGE COMPARTMENT) NCA WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK WIRE POWER ANTENNA SYSTEM R- L- GND RADIO 1 FUSE RADIO, PLAYER RED WIRE RED/WHT WIRE RED/YEL WIRE VIO WIRE VIO/WHT WIRE W/ NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/GRN WIRE

BATTERY BLK WIRE BLK/RED WIRE BLU/YEL WIRE BRN WIRE COMPARTMENT) ED (REAR OF LEFT FENDER) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPARTMENT, IN ECU BOX) STA ENGINE ROOM 1 J/B (ON RIGHT SIDE OF ENGINE COMPARTMENT, BEHIND STRUT TOWER) ENGINE ROOM 1 R/B (ON RIGHT SIDE OF ENGINE COMPARTMENT, BEHIND STRUT TOWER) ENGINE ROOM 2 R/B (ON LEFT SIDE OF ENGINE COMPARTMENT, FORWARD OF STRUT TOWER) FUSE IGNITION SWITCH JUNCTION CONNECTOR 23 (LEFT SIDE OF ENGINE JUNCTION CONNECTOR 3 (IN ENGINE ROOM 2 R/B) LOCK ON OFF PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) RED WIRE SHORT PIN 1 SHORT PIN 2 STARTER STARTER FUSE STARTER RELAY WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

2 1 4 6 ACAN PAON P-AB GND AFS ECU (LEFT END OF DASH) AIR BAG SENSOR (LEFT FRONT) (AT LEFT FRONT OF ENGINE COMPT) AIR BAG SENSOR (RIGHT FRONT) (AT RIGHT FRONT OF ENGINE COMPT) AIR MPX- BAG BLK WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BP (AT LEFT QUARTERPANEL) BRN WIRE BUCKLE SWITCH (LEFT) (IN LEFT FRONT SEAT BELT BUCKLE) CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER D-IG FUSE DATA LINK CONNECTOR (DLC) 3 (BEHIND LEFT SIDE OF DASH) DBKL DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC PASSENGER SIDE J/B (BEHIND RIGHT RADIO 2 FUSE KICK PANEL) HOT IN ON OR START IG (LEFT SIDE OF STEERING COLUMN) INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) MPX+ MPX- MPXB ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PNK/BLU WIRE POWER SUPPLY CIRCUIT RED WIRE RED/BLU WIRE RED/WHT WIRE SIL SKID CONTROL ECU (BEHIND LEFT END OF DASH) SRS IND TELLTALE LIGHT ASSEMBLY TIRE PRESSURE WARNING ECU, RECEIVER (BEHIND CENTER OF DASH, BELOW RADIO) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

10 11 MPX 1 MPX 2 13 33 MPX 1 MPX 2 22 30 MPX 1 MPX 2 4 5 MPX 1 MPX 2 7 1 MPX 1 MPX 2 BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CAN L COMBINATION SWITCH DRIVER DOOR ECU (IN DRIVER'S DOOR) GBT GND PS VPS GBT IG DIA FSR+ FSR- BSW BGND GPS BT VBT GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE LT GRN WIRE MPX MPX 1 MPX 2 OCCUPANT OCCUPANT CLASSIFICATION ECU (UNDER FRONT PASSENGER'S SEAT) ORG/ WIRE PASSENGER DOOR ECU (IN RIGHT DOOR) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE POWER SEAT ECU (DRIVER'S) (UNDER DRIVER'S SEAT) POWER SEAT ECU (PASSENGER'S) (UNDER FRONT PASSENGER'S SEAT) RED WIRE RED/BLU WIRE RIGHT BUCKLE SWITCH (IN RIGHT FRONT SEAT BELT BUCKLE) SEAT BELT VBT BT TENSION SENSOR (NEAR BASE OF RIGHT "B" PILLAR) SLIDING ROOF CONTROL ECU (IN LEFT REAR OF LUGGAGE COMPT) THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) TRANSPONDER KEY ECU VIO WIRE VPS PS GPS CLASSIFICATION SENSOR (UNDER FRONT PASSENGER'S SEAT) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

+B IGSW BATT CANH CANL +BM 13 12 STPI STPO 2 13 5 6 17 4 25 24 EC MREL 31 32 NE- NE+ 4 8 16 3 34 33 35 26 32 27 STP ACCELERATOR PEDAL POSITION SENSOR (BEHIND LEFT CENTER OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR (ON LEFT FRONT OF ENGINE) D-IG FUSE DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) DRIVER SIDE J/B (BEHIND DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU ECT PWR IND ECT SNOW IND ED (REAR OF LEFT FENDER) EFI FUSE EFI RELAY ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH PWR ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM R/B 1 ETCS FUSE (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START IH (UNDER STEERING COLUMN) J/C 2 (IN ENGINE ROOM R/B 2) J/C 23, 24 (LEFT SIDE OF ENGINE COMPT) J/C 3 (IN ENGINE ROOM R/B 2) J/C 4, 5 (IN ECU BOX) J/C 5 (IN ECU BOX) LT BLU WIRE MIL IND MPX MPXB NCA WIRE OF DASH) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (RIGHT SIDE KICK PANEL) PNK WIRE PNK/BLK WIRE POWER SUPPLY CIRCUIT PWR RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE SNOW SPEEDOMETER STOP FUSE STOP LIGHT SWITCH (ON TOP OF TAC TACH TC EPA VPA VCPA TACHOMETER WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE