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

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

+BI RL+ RL- RR+ RR- 1 2 3 4 5 6 7 8 9 10 VGS 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 CSW 12 13 14 15 16 17 18 19 20 21 22 23 24 TS 7 8 SS+ SS- ABS IG FUSE ABS IND. AFS ECU (LEFT END OF DASH) BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BRAKE IND BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM D/G DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) ENGINE ROOM 2 R/B (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) FLO FUSE GGND GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GYAW 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 HOT IN RUN OR START IGN FUSE IH (UNDER JUNCTION CONNECTOR 13 (BEHIND RIGHT SIDE OF DASH) JUNCTION CONNECTOR 2 (IN ENGINE ROOM 2 R/B) LEFT REAR ABS SPEED SENSOR (AT LEFT REAR WHEEL ASSEMBLY) LT BLU WIRE LT GRN WIRE MPX NCA WIRE ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT REAR ABS SPEED SENSOR (AT RIGHT REAR WHEEL ASSEMBLY) SKID CONTROL ECU (BEHIND LEFT END OF DASH) SPDL STEERING SENSOR (ON STEERING COLUMN) STOP FUSE STOP LIGHT SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TRIG TRIG +BO STP VIO WIRE VSC OFF IND SLIP IND VSC OFF SWITCH VSC WARNING BUZZER (BEHIND LEFT SIDE OF DASH) VYS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YAW - YAW RATE SENSOR (UNDER REAR OF CENTER CONSOLE) YEL WIRE YEL/RED WIRE YSS YD

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

1 2 3 4 5 +B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CPUB 5 4 3 2 1 GND TXCT RXCK CODE +B 7 15 16 HRLY 7 6 IMO IMI AIR BAG BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/ WHT WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) CNCL CODE RXCK TXCT AGND GND COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM INTERIOR LIGHTS SYSTEM CRA RELAY DATA DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) ED (REAR OF LEFT FENDER) EFIO EFII ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM 2 R/B (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) EXTERIOR ROOM 2 R/B) LIGHTS SYSTEM FRONT CONTROLLER GRN BLK/ WIRE GRN WIRE GRN/ YEL WIRE GRY WIRE HDCY HEAD LP RELAY HEADLIGHTS SYSTEM HORN FUSE HORN RELAY HORN RLY HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR START IG (25-28 NOT USED) 29 30 31 32 33 RDA RSSI IGN FUSE IH (UNDER STEERING COLUMN) IND BZR JUNCTION CONNECTOR 2 (IN ENGINE JUNCTION CONNECTOR 3 (IN ENGINE ROOM 2 R/B) LT GRN WIRE LT GRN/BLK WIRE MAIN FUSE MAIN LUGGAGE COMPARTMENT DOOR OPENER SWITCH MPX ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (RIGHT SIDE KICK PANEL) PNK WIRE PNK/BLU WIRE RCO (16-19 NOT USED) 20 21 22 23 24 GND RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RSSI TAIL-RLY THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) THEFT DETERRENT HORN (AT RIGHT FRONT OF ENGINE COMPT) TRANSPONDER KEY AMPLIFIER (BEHIND DASH, RIGHT OF STEERING COLUMN) TRANSPONDER KEY COIL UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WIRELESS DOOR LOCK BUZZER (LEFT REAR OF SECURITY ENGINE COMPT) INDICATOR LIGHT WIRELESS DOOR LOCK CONTROL RECEIVER YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 REOS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 IG A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) A/C ROOM TEMPERATURE SENSOR (BEHIND CENTER OF DASH) A/C THERMISTOR (BEHIND CENTER OF DASH) AIF AOF AMHPA AMHDR SG-4 AIR AOD AMCPA AMCDR BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND LOWER RIGHT SIDE OF DASH) BLOWER MOTOR CONTROLLER (BEHIND RIGHT SIDE OF DASH) SI +B GND M+ M- BLU WIRE BLU/RED WIRE BLU/WHT WIRE CLOSE COMPUTER DATA LINES SYSTEM DGS TSPA TR TPDR DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM 1 R/B (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) EXHAUST GAS SENSOR (AT LEFT FRONT OF ENGINE COMPT) FAN FUSE FAN-2 FUSE GAS GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HAZD SG-1 TSDR TE SG-2 HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START IH (UNDER STEERING COLUMN) INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 14 (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MPX+ GND MPX-IG FUSE MULTI-DISPLAY NAVIGATION DOOR, TILT CONTROL SWITCH OPEN CLS SWE BLW PNK WIRE OPEN OPEN ORG/ WIRE PNK EMOP WIRE PNK WIRE POWER TOPS SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SG-3 TILT TPO TPPA MPX- TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE

1 3 VZ GND 3 1 VZ (GND) GND (VZ) 3 1 VZ GND 5 6 7 PT MCOOL MHOT A/C AMBIENT TEMPERATURE SENSOR (AT CENTER OF FRONT BUMPER, BEHIND GRILLE) A/C COMP RELAY A/C FUSE A/C MAGNETIC CLUTCH, LOCK SENSOR (ON A/C COMPRESSOR) ACMG AIR BAG AIR INLET CONTROL SERVO MOTOR (BEHIND RIGHT SIDE OF DASH) AIR MIX CONTROL SERVO MOTOR (DRIVER SIDE) (BEHIND LEFT CENTER SIDE OF DASH) AIR MIX CONTROL SERVO MOTOR (PASSENGER SIDE) (BEHIND RIGHT CENTER SIDE OF DASH) AIR VENT MODE SERVO MOTOR (BEHIND CENTER OF DASH) BLK 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 COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) IF DUAL EC (LEFT SIDE OF CYLINDER HEAD) ED (REAR OF LEFT FENDER) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE COOLANT TEMPERATURE SENSOR (ON TOP RIGHT SIDE OF ENGINE) FAN RELAY GND(S) GND(M) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RADIO 2 FUSE HTR RELAY II (ON LEFT SIDE DASH BRACE) JUNCTION CONNECTOR 1 JUNCTION CONNECTOR 3 (IN ENGINE ROOM 2 R/B) JUNCTION CONNECTOR 4 (IN ECU BOX) JUNCTION CONNECTOR 8 (BEHIND LEFT END OF DASH) LCKI MPOS 1 MPOS 2 MPOS 6 MPX ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PRESSURE SWITCH (AT UPPER LEFT RADIATOR SUPPORT) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RFC SINGLE TAM VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 TC CLTB AFS ECU (LEFT END OF DASH) ANTI-THEFT SYSTEM BLK WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BUBS COMBINATION SWITCH DBKL BKLR DBIL DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM SHIFT INTERLOCK SYSTEM FUEL TSW FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HAZ STPA STP MPX-B HDCY HDLO HRLY HEAD HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN RUN OR START IG (LEFT SIDE OF STEERING COLUMN) IGNITION SWITCH II (ON LEFT SIDE DASH BRACE) INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM J/C 13 (BEHIND RIGHT SIDE OF DASH) LOCK OFF LT GRN WIRE LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MIRRORS SYSTEM MPX MPX-B MPX-IG FUSE MPX-IG HAZ IG 2 3 4 5 6 7 8 9 10 ORG/ WIRE PANEL FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PNK WIRE PNK/BLU WIRE R/E RET CNCL MSW M+ TR+ CLTS CLTE RV HDCL RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE STPO STPI TILT, TELESCOPIC ECU (BEHIND LEFT END OF DASH) TRUNK, TAILGATE, FUEL DOORS SYSTEM TURN LH GND TURN RH TURN, HAZ FUSE VIO WIRE VIO/WHT WIRE WARNING SYSTEM PASSIVE RESTRAINT SYSTEM WARNING SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 HORN-RLY HLHL WSH-RLY FHHI(2) AFS ECU (LEFT END OF DASH) BLK WIRE BLK/RED WIRE BLU/BLK WIRE ED (REAR OF LEFT FENDER) ENGINE ROOM R/B 2 FMIG FRONT CONTROLLER FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRY/BLU WIRE HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HEADLIGHTS SYSTEM WIPER/WASHER SYSTEM HOT AT ALL TIMES HOT IN ON OR START DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) MPX-IG FUSE JUNCTION CONNECTOR 3 (IN ENGINE ROOM 2 R/B) LT GRN/BLK WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE VIO WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WIPER/WASHER SYSTEM WSLV GND FHHI(1) HLHR TAIL-RLY FFOG-RLY YEL WIRE

BKUP BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BUBS COMBINATION SWITCH DEF TAIL 1 DEFOGGER SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FUEL OPN FUSE FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT AT ALL TIMES RR J/B FUSE HOT IN ON OR START MPX-IG FUSE J/C 13 (BEHIND RIGHT SIDE OF DASH) J/C 17 (LEFT REAR OF LUGGAGE COMPARTMENT) LCM+ LCTY LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX MPX-IG MPX-B HIC P-GND TAIL 2 L_O/C(P) FUEL OPN(P) FUEL OPN(O) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK LGCY WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

+SM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 S/S +2 1 2 3 4 5 6 7 8 9 10 BACK PBIL A/C CONTROL ASSEMBLY (BEHIND CENTER AIR BAG WIP 2 3 4 5 6 7 8 9 10 AIR CONDITIONING SYSTEM BKLL BLK WIRE BLU WIRE BLU/RED WIRE DRIVER SIDE J/B ECU CIRCUIT FSPT SNOW PWR FUSE GRN WIRE GRN/RED WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) WIPER FUSE IG (LEFT SIDE OF STEERING COLUMN) IGNITION SWITCH IH (UNDER STEERING COLUMN) INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) LOCK OFF MPX MPX-B MPX-IG MPX-IG FUSE NAVIGATION SYSTEM WARNING SYSTEM OF DASH) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (RIGHT SIDE KICK PANEL) PASSIVE RESTRAINT SYSTEM RED WIRE RED/WHT WIRE RUN WIRE SUPPLEMENTAL RESTRAINTS SYSTEM TRANSMISSIONS SYSTEM VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/RED WIRE