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

+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

12 4 TS D/G 16 3 TACH TC 24 25 CANL CANH BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) CG SG CANH SIL COMBINATION METER DATA LINK CONNECTOR (DLC) 3 (BEHIND LEFT SIDE OF DASH) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EC (LEFT SIDE OF CYLINDER HEAD) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE HOT AT ALL TIMES J/C 25 (BEHIND RIGHT SIDE OF DASH) J/C 4, 5 (IN ECU BOX) J/C 9, 10 (BEHIND TOP LEFT END OF DASH) MULTI-DISPLAY OBD FUSE PNK WIRE PNK/BLK WIRE RED WIRE SIL SKID CONTROL ECU (BEHIND LEFT END OF DASH) TAC TRANSLATE ECU (LEFT SIDE OF DASH) TS TC CANL WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

1 2 3 4 5 6 7 8 9 10 ECUE IG 1 2 3 4 5 6 7 8 9 10 RCL- RCL+ SLD- SLD+ LFT- LFT+ GND +B FRV- FRV+ BL (UNDER DRIVER'S SEAT) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER'S POWER SEAT CONTROL SWITCH DRIVER'S POWER SEAT ECU (UNDER DRIVER'S SEAT) DRIVER'S SEAT FRONT VERTICAL CONTROL SENSOR (UNDER DRIVER'S SEAT) DRIVER'S SEAT FRONT VERTICAL MOTOR (UNDER DRIVER'S SEAT) DRIVER'S SEAT LIFTER CONTROL SENSOR (UNDER DRIVER'S SEAT) DRIVER'S SEAT LIFTER MOTOR (UNDER DRIVER'S SEAT) DRIVER'S SEAT LUMBAR SUPPORT CONTROL MOTOR (IN DRIVER'S SEAT BACK) DRIVER'S SEAT LUMBAR SUPPORT CONTROL SWITCH DRIVER'S SEAT RECLINING CONTROL SENSOR (UNDER DRIVER'S SEAT) DRIVER'S SEAT SLIDE CONTROL SENSOR (UNDER DRIVER'S SEAT) FDWN FUP GND ECUB GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES D P/SEAT FUSE HOT AT ALL TIMES TI, TE FUSE IH (UNDER STEERING COLUMN) II (ON LEFT SIDE DASH BRACE) J/C 19 (BELOW LEFT FRONT SEAT) J/C 20 (BELOW LEFT FRONT SEAT) KSW TRANSPONDER KEY COMPUTER (LEFT SIDE OF DASH, BEHIND GAUGE ASSEMBLY) LDWN LT GRN WIRE LT GRN/BLK WIRE LUP ORG/ WIRE PNK/BLK WIRE PNK/BLU WIRE RCLF RCLF RCLR RCLR RED WIRE RED/BLU WIRE SGND SSRS SLDF SLDR LUP LDWN FUP SLDF SLDR SSFV SSRV SSRR PVCC FDWN IG SYSB TILT, TELESCOPIC ECU (BEHIND LEFT END OF DASH) TIM- TIM+ TEM- TEM+ UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/WHT 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 2 3 4 5 6 7 8 9 10 RCL- RCL+ SLD- SLD+ LFT- LFT+ GND +B FRV- FRV+ BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BM (UNDER PASSENGER'S SEAT) BRN WIRE COMPUTER DATA LINES SYSTEM FDWN FRONT PASSENGER'S POWER SEAT CONTROL SWITCH FRONT PASSENGER'S SEAT FRONT VERTICAL CONTROL SENSOR FRONT PASSENGER'S SEAT FRONT VERTICAL MOTOR (UNDER RIGHT FRONT SEAT) FRONT PASSENGER'S SEAT LIFTER CONTROL SENSOR (UNDER RIGHT FRONT SEAT) FRONT PASSENGER'S SEAT LIFTER MOTOR (UNDER RIGHT FRONT SEAT) FRONT PASSENGER'S SEAT LUMBAR SUPPORT CONTROL SWITCH FRONT PASSENGER'S SEAT RECLINING CONTROL SENSOR (UNDER RIGHT FRONT SEAT) FRONT PASSENGER'S SEAT RECLINING MOTOR (UNDER RIGHT FRONT SEAT) FRONT PASSENGER'S SEAT SLIDE CONTROL SENSOR (UNDER RIGHT FRONT SEAT) FRONT PASSENGER'S SEAT SLIDE MOTOR (UNDER RIGHT FRONT SEAT) FUP GRN WIRE GRY WIRE HOT AT ALL TIMES J/C 21 (BELOW RIGHT FRONT SEAT) J/C 22 (BELOW RIGHT FRONT SEAT) LDWN LT GRN WIRE LUP ORG/ WIRE P-P/SEAT FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER'S POWER SEAT ECU (UNDER FRONT PASSENGER'S SEAT) PNK/BLK WIRE PNK/BLU WIRE RCLF RCLF RCLR RCLR RED WIRE SGND SSRS SLDF SLDR LUP LDWN FUP SLDF SLDR SSFV SSRV SSRR PVCC FDWN SYSB VIO WIRE WHT WIRE WHT/BLK 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 SP+ AUI+ 1 2 3 4 5 6 7 8 9 10 VR 5 18 13 2 MTX+ MTX- SPD TFL+ PNK WIRE 6 19 15 9 TDX+ TDX- TFL- N-MU AUO- AUO- VOI+ VOI- REV BLK WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BO (NEAR STEREO COMPONENT AMPLIFIER) BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMPUTER DATA LINES SYSTEM DASH) DATA LINK CONNECTOR (DLC) 3 (BEHIND TC LEFT SIDE OF DASH) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG (BEHIND CENTER OF DASH) INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF J/C 12 (BEHIND RIGHT SIDE OF DASH) J/C 15 (ABOVE RIGHT REAR WHEEL) J/C 18 (RIGHT REAR OF LUGGAGE COMPT) BQ J/C 9, 10 (BEHIND TOP LEFT END OF DASH) LEFT DOOR SPEAKER (SQUAWKER, TWEETER) LT GRN WIRE MIC - NAVI +B SP- AUI- GND NAV- NAV+ NAVO NAVIGATION AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPT) NAVIGATION ECU (AT RIGHT REAR CORNER OF LUGGAGE COMPT) NCA WIRE ORG ORG WIRE ORG/ WIRE P-IG FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PNK TX- WIRE PNK/BLK WIRE RADIO 2 FUSE RED WIRE RED/BLU WIRE SNSE STEREO COMPONENT AMPLIFIER SYNC TV FUSE TX+ VG VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

10 9 ATX+ ATX- 15 5 TX- TX+ 17 18 19 23 24 25 26 27 28 SGND MCO+ MCO- VR 3 6 TXS+ TXS- PNK WIRE 9 10 3 4 5 6 20 21 22 TLSW TSW- SGND MIN+ MIN- MACO SLD IVO+ IVO- AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) CLOSE TILT COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EC (LEFT SIDE OF CYLINDER HEAD) ENGINE ROOM 2 R/B (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) GRN/RED WIRE GRY WIRE HOT IN IH (UNDER STEERING COLUMN) J/C 4, 5 (IN ECU BOX) J/C 9, 10 (BEHIND TOP LEFT END OF DASH) LT GRN WIRE LT GRN/BLK WIRE MIC+ MIC- MACC MIC- MIC+ MICROPHONE (NAVIGATION) MICROPHONE AMPLIFIER ASSEMBLY (RIGHT KICK PANEL) MULTI-DISPLAY NAVIGATION DOOR, TILT CONTROL NCA WIRE OPEN/ CLOSE OPEN 8 3 9 ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PKB SPD IG PNK WIRE PNK/BLK WIRE RADIO, PLAYER RED WIRE RED/BLK WIRE RED/WHT WIRE STARTER FUSE SYNC VG TAIL TLSW 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 23 24 25 26 OPEN 1 2 3 4 5 6 7 8 9 10 11 12 13 BRFR BRFL BLGR LFR+ RLM+ BLGL BPT CPUB 1 2 3 4 5 6 7 8 9 10 LML+ RML+ PTM+ LFL+ LML- RML- QWL- QWL+ PTM- LFL- 13 2 MPX- MPX+ 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/YEL WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES J/C 17 (LEFT REAR OF LUGGAGE COMPARTMENT) LCTY LEFT QUARTER POWER WINDOW MOTOR (FRONT OF LEFT QUARTER PANEL) LFR- RLM- LGG LH FUSE LGG RH FUSE LIMIT SWITCH (LEFT LUGGAGE FRONT LOCK) (AT LEFT REAR SIDE OF LUGGAGE COMPT) LIMIT SWITCH (PACKAGE TRAY 1) (NEAR LEFT SIDE OF PACKAGE TRAY) LIMIT SWITCH (ROOF CLOSE, LEFT) (AT LEFT SIDE OF ROOF) LIMIT SWITCH (ROOF CLOSE, RIGHT) (AT RIGHT SIDE OF ROOF) LIMIT SWITCH (ROOF LOCK) (AT LEFT SIDE OF ROOF) LIMIT SWITCH (ROOF POSITION 1, 2) (IN FRONT OF LEFT REAR WHEEL) LIMIT SWITCH (TONNEAU COVER) (FRONT OF LUGGAGE COMPARTMENT) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LUGGAGE COMPARTMENT DOOR CLOSER MOTOR (LEFT) (AT LEFT SIDE OF LUGGAGE COMPT) LUGGAGE COMPARTMENT DOOR CLOSER MOTOR (RIGHT) (AT RIGHT SIDE OF LUGGAGE COMPT) LUGGAGE COMPARTMENT DOOR DETECTION SWITCH (IN LUGGAGE COMPT, NEAR LOCK ASSEMBLY) LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU (AT LEFT REAR CORNER OF LUGGAGE COMPT) P-TRAY FUSE PACKAGE TRAY MOTOR (BELOW CENTER OF PACKAGE TRAY) PNK WIRE PNK/BLK WIRE RCL LPLB RCRE RPL RHL LLL LPLE RLLE SWE TCSE PTPE RCLE RPLE RHLE LLLE LCTE LCT RED WIRE RED/BLK WIRE RED/BLU WIRE ROOF LH FUSE ROOF LOCK MOTOR (AT FRONT OF ROOF) ROOF RH FUSE RPLB RCR LPL RLL CLS TCS PNK WIRE SLIDING ROOF CONTROL ECU (IN LEFT REAR OF LUGGAGE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED 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

ACCEL POSITION SENSOR (BEHIND LEFT CENTER OF DASH) ACMG VPMP AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM COOLING FANS SYSTEM BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CANL CANH CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) ECT PWR IND ECT SNOW IND ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HP RFC IGSW TAM IH (UNDER STEERING COLUMN) LT BLU WIRE LT GRN WIRE MIL IND MPXB ORG/ BLU WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE POWER SUPPLY CIRCUIT PPNP RED WIRE RED/BLK WIRE RED/YEL WIRE SKID CONTROL ECU (BEHIND LEFT END OF DASH) SPEEDOMETER STA MREL FC FPR STPI TAC TACH TACHOMETER TC STP MPMP IMI IMO VIO WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE