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

1 20 22 21 12 15 6 17 18 TC 2 10 11 1 9 8 IG A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) AFS ECU (LEFT END OF DASH) AFS OFF SWITCH AUDIO DOOR CONTROL SWITCH BLK WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) CIGARETTE VSC OFF LIGHTER SWITCH COMBINATION SWITCH DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE ROOM 2 R/B (ON LEFT SIDE OF ENGINE COMPARTMENT, FORWARD OF STRUT TOWER) FRONT CONTROLLER FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IH (UNDER STEERING COLUMN) IG (BEHIND CENTER OF DASH) 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 9, 10 (BEHIND TOP LEFT END OF DASH) MPX MPX-IG FUSE MULTI- DISPLAY (W/ NAVI- GATION) ORG/ WIRE PANEL FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE RADIO, PLAYER RED WIRE RED/BLU WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH REOS RHEOSTAT SEAT HEATER SWITCH (IF EQUIPPED) TILT, TELESCOPIC ECU (BEHIND LEFT END OF DASH) TIRE PRESSURE WARNING ECU, RECEIVER (BEHIND CENTER OF DASH, BELOW RADIO) TR+ RV TRANSMISSION CONTROL SWITCH TRANSPONDER KEY COMPUTER (LEFT SIDE OF DASH, BEHIND GAUGE ASSEMBLY) VIO WIRE VIO/WHT WIRE WHT GRN/ WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

10 9 5 8 DATA RSSI +5 21 29 30 22 PWS PWE 6 1 BDR GND AIR BAG AIR BAG SENSOR ASSEMBLY (UNDER FRONT OF CENTER CONSOLE) BL (UNDER DRIVER'S SEAT) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE BUBS CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER D DOOR FUSE D-IG 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 COMPARTMENT, BEHIND STRUT TOWER) FUSE GLOVE BOX LIGHT GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IG (BEHIND CENTER OF DASH) IH (UNDER STEERING COLUMN) J/C 13 (BEHIND RIGHT SIDE OF DASH) J/C 17 (LEFT REAR OF LUGGAGE COMPT) J/C 18 (RIGHT REAR OF LUGGAGE COMPT) J/C 9, 10 (BEHIND TOP LEFT END OF DASH) LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU MPX MPX RCO MPXB ORG/ WIRE P DOOR FUSE P-GND PASSENGER DOOR ECU (IN RIGHT DOOR) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PNK WIRE PNK/BLU WIRE POWER SEAT ECU (DRIVER'S SEAT) (UNDER DRIVER'S SEAT) POWER SEAT ECU (FRONT PASSENGER'S SEAT) (UNDER FRONT PASSENGER'S SEAT) POWER WINDOW MASTER SWITCH PWE PWS DLE RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT DOOR LOCK CONTROL SWITCH SKID CONTROL ECU (BEHIND LEFT RIGHT POWER END OF DASH) WINDOW CONTROL SWITCH SLIDING ROOF CONTROL ECU (IN LEFT REAR OF LUGGAGE COMPT) THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WIRELESS DOOR LOCK CONTROL RECEIVER YEL WIRE

1 25 17 26 16 20 19 8 18 7 GND 23 15 16 24 MSWE 4 5 6 CPUB SIG BDR 5 7 MPX-B 7 10 11 R/E MSW M+ A/T INDICATOR LIGHT SWITCH (ON TRANSMISSION) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE CANL CANH COMPUTER DATA LINES SYSTEM D-DOOR FUSE P-DOOR FUSE D-IG FUSE DEFOGGER SYSTEM DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU DRIVING POSITION MEMORY SWITCH (DRIVER'S SEAT) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM 1 R/B (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START 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 18 (RIGHT REAR OF LUGGAGE COMPT) J/C 5 (IN ECU BOX) LEFT REMOTE CONTROL MIRROR LT GRN WIRE LT GRN/BLK WIRE LT/RT LUGGAGE ROOM J/B (LEFT REAR CORNER OF LUGGAGE COMPT) MPX-IG MPX-IG FUSE MRY MSW M+ ORG/ WIRE PASSENGER DOOR ECU (IN RIGHT DOOR) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK PVC HSSR VSSR PM+R PMHR PMVR MR- MR+ WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE REMOTE CONTROL MIRROR SWITCH RET RETRAC RIGHT REMOTE CONTROL MIRROR SENSOR UP/DN VIO WIRE VIO/WHT WIRE W/ MIRROR RETRACTOR WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL 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

AIR BAG AIR BAG SENSOR ASSEMBLY (AT CENTER OF DASH, BELOW RADIO) BP (AT LEFT QUARTERPANEL) COMPUTER DATA LINES SYSTEM D-IG FUSE DBKL DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) BKLR HOT IN ON OR START J/C 17 (LEFT REAR OF LUGGAGE COMPT) LEFT BUCKLE SWITCH (IN LEFT FRONT SEAT BELT BUCKLE) LEFT TENSION REDUCER SOLENOID (AT BASE OF LEFT "B" PILLAR) PASSENGER SIDE J/B (RIGHT SIDE KICK PANEL) PASSENGER SIDE J/B ECU BKLL PNK/BLU WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT BUCKLE SWITCH (IN RIGHT FRONT SEAT BELT BUCKLE) RIGHT TENSION REDUCER SOLENOID (AT BASE OF RIGHT "B" PILLAR) WHT WIRE WHT/BLK WIRE

A/C FUSE BKUP BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BODY COMPUTER, EXTERIOR LIGHTS SYSTEMS CIG FUSE PASSENGER SIDE J/B ECU ACCY CIGARETTE LIGHTER COMPARTMENT) DEF DEFOG FUSE DEFOG RELAY DEFOGGER SYSTEM DOME FUSE ENGINE ROOM 1 R/B (ON RIGHT SIDE OF ENGINE COMPARTMENT, BEHIND STRUT TOWER) FROM DRIVER SIDE J/B (DIAGRAM 3 OF 3) FROM ENGINE ROOM 1 R/B (DIAGRAM 1 OF 3) FROM IGNITION SWITCH (DIAGRAM 1 OF 3) FUEL FUEL OPN FUSE FUSE GRN WIRE H-LP CLN FUSE H-LP LVL FUSE HEADLIGHTS SYSTEM HIC IG (BEHIND CENTER OF DASH) II IG (ON LEFT SIDE (BEHIND CENTER DASH BRACE) OF DASH) L-O/C (P) LCE LP FUSE LGG LEFT FUSE LGG RIGHT FUSE LT GRN WIRE LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE LUGGAGE ROOM J/B ECU NAVIGATION SYSTEM OPN(P) ORG/ WIRE P-IG FUSE P-P/SEAT FUSE P-TRAY FUSE PASSENGER SIDE J/B PASSENGER SIDE J/B ECU MPX-B PNK WIRE POWER TOPS SYSTEM RADIO 2 FUSE RED WIRE RED/BLU WIRE RELAY ROOF RIGHT FUSE ROOF LEFT FUSE RR J/B FUSE SEAT HTR FUSE SEATS SYSTEM STOP 1 STOP 2 TAIL 1 TAIL 2 TO DRIVER SIDE J/B (DIAGRAM 3 OF 3) TV FUSE WASHER FUSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/ WASHER SYSTEM WIPER/WASHER SYSTEM YEL WIRE

ABS IG FUSE ACCY AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, HEADLIGHTS SYSTEMS BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BODY COMPUTER SYSTEM BODY COMPUTER, DOOR LOCKS, POWER WINDOWS, ANTI-THEFT SYSTEMS BODY COMPUTER, WIPER/WASHER SYSTEMS COMPUTER DATA LINES, AIR CONDITIONING, COOLING FANS SYSTEMS CRUISE CONTROL, TRANSMISSIONS SYSTEMS D P/SEAT FUSE D-IG FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU FR FOG FUSE FROM IGNITION SWITCH (DIAGRAM 1 OF 3) FROM PASSENGER SIDE J/B (DIAGRAM 2 OF 3) HEADLIGHTS, BODY COMPUTER SYSTEMS HEADLIGHTS, EXTERIOR LIGHTS, DOOR LOCKS, ANTI-THEFT, BODY COMPUTER SYSTEMS HEATER FUSE HORNS, BODY COMPUTER SYSTEMS II (ON LEFT SIDE DASH BRACE) MEMORY SYSTEMS MPX-IG MPX-IG FUSE OBD FUSE ORG/ WIRE PANEL FUSE PASSIVE RESTRAINTS, BODY COMPUTER SYSTEMS PNK WIRE POWER OUTLET PWR OUTLET FUSE RED WIRE RED/YEL WIRE RELAY SEATS SYSTEM SEATS, MEMORY SYSTEMS SECURITY FUSE STOP FUSE TAIL FUSE TI, TE FUSE TO PASSENGER SIDE J/B (DIAGRAM 2 OF 3) VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WIPER FUSE WIPER/WASHER, EXTERIOR LIGHTS, BODY COMPUTER, HEADLIGHTS SYSTEMS YEL WIRE