Lexus SC II facelift (2005-2010) multi-display Wiring diagrams

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

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

BLK WIRE BLOWER MOTOR CONTROLLER BRAKE ACTUATOR BRN WIRE COMBI- NATION SWITCH COOLING FAN ECU CRANKSHAFT POSITION SENSOR SHIELD DATA LINK CONNECTOR DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EA (REAR OF RIGHT FENDER) EC EB (RIGHT SIDE (LEFT SIDE OF CYLINDER HEAD) OF CYLINDER HEAD) ED (REAR OF LEFT FENDER) EE (REAR OF LEFT FENDER) EFI RELAY ENGINE CONTROL MODULE ENGINE HOOD COURTESY SWITCH EXHAUST GAS SENSOR FAN RELAY FRONT CONTROLLER FRONT WIPER MOTOR HEADLIGHT CLEANER CONTROL RELAY HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) SHIELD IGNITION COIL, IGNITER 1 IGNITION COIL, IGNITER 7 IGNITION IGNITION CANISTER COIL, COIL, PUMP IGNITER 2 IGNITER 4 MODULE IGNITION IGNITION COIL, COIL, IGNITER 3 IGNITER 5 IGNITION IGNITION COIL, COIL, IGNITER 6 IGNITER 8 IN ECU BOX) KNOCK SENSOR (BANK 1) KNOCK SENSOR (BANK 2) SHIELD LEFT CAMSHAFT VVT POSITION SENSOR SENSOR SHIELD SHIELD LEFT FRONT PARKING LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT HEADLIGHT ASSEMBLY LEFT LEFT FRONT FOG HEADLIGHT LIGHT (HIGH) MULTI-DISPLAY NCA WIRE PARK/NEUTRAL POSITION SWITCH, A/T INDICATOR LIGHT SWITCH, BACK-UP LIGHT SWITCH PRESSURE SWITCH RIGHT FRONT FOG LIGHT RIGHT FRONT TURN RIGHT SIGNAL HEADLIGHT LIGHT (HIGH) RIGHT RIGHT FRONT RIGHT FRONT SIDE HEADLIGHT PARKING MARKER ASSEMBLY LIGHT LIGHT RIGHT VVT SENSOR SHIELD SKID CONTROL ECU WASHER LEVEL SENSOR WASHER MOTOR WHT WIRE WHT/BLK WIRE

1 2 10 12 14 7 18 17 3 4 13 24 5 6 21 IG 10 8 CANL CANH 10 9 ATX+ ATX- 13 2 10 MPX- MPX+ BUBS 13 33 MPX 24 25 CANL CANH 6 3 PNK TXS- TXS+ WIRE 7 14 6 SIL CANL CANH A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) AFS ECU (LEFT END OF DASH) AIR AIR BAG SENSOR ASSEMBLY (UNDER FRONT OF CENTER CONSOLE) BAG BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER COMBINATION SWITCH DATA LINK CONNECTOR (DLC) 3 (BEHIND LEFT SIDE OF DASH) DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) DRIVER'S POWER SEAT ECU (UNDER DRIVER'S SEAT) ENGINE ROOM 2 R/B (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) FRONT CONTROLLER FRONT PASSENGER'S POWER SEAT ECU (UNDER DRIVER'S SEAT) FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GTX+ GTX- PNK WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN OR OR START IG (BEHIND CENTER OF DASH) IH (UNDER STEERING COLUMN) J/C 13 (BEHIND RIGHT SIDE OF DASH) JUNCTION CONNECTOR 25 LT GRN WIRE LUGGAGE ROOM J/B ECU (AT LEFT REAR CORNER OF LUGGAGE COMPT) MPX MPX-IG FUSE MULTI-DISPLAY OF LUGGAGE COMPT) ORG/ WIRE PASSENGER DOOR ECU (IN RIGHT DOOR) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PNK/BLU WIRE RADIO 2 FUSE RADIO, PLAYER RED WIRE RED/BLU WIRE RED/WHT WIRE SIL SKID CONTROL ECU (BEHIND LEFT END OF DASH) SLIDING ROOF CONTROL ECU (IN LEFT REAR THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) TILT, TELESCOPIC ECU (BEHIND LEFT END OF DASH) TIRE PRESSURE MONITOR RECEIVER (BEHIND CENTER OF DASH, BELOW RADIO) TRANSPONDER KEY COMPUTER (LEFT SIDE OF DASH, BEHIND GAUGE ASSEMBLY) VIO WIRE VIO/WHT WIRE W/ NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL 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

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 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