Lexus SC II (2001-2005) luggage room j/b ecu Wiring diagrams

A/C MPX- CONTROL ASSEMBLY (BEHIND MPX+ CENTER OF DASH) AIR BAG SENSOR ASSEMBLY (AT CENTER OF DASH, BELOW RADIO) BACK-UP LIGHT SWITCH BKUP BL (UNDER DRIVER'S SEAT) BLK WIRE BLK/RED WIRE BLU/ORG WIRE BLU/YEL WIRE BP (AT LEFT QUARTERPANEL) COMBINATION METER MPX+ COMBINATION SWITCH (ON STEERING COLUMN, BEHIND STEERING WHEEL) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) 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) FRONT CONTROLLER GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE JC-17 JUNCTION CONNECTOR 4, 5 (IN ECU BOX) LEFT BACK-UP LIGHT RIGHT BACK-UP LIGHT LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU MPX P-GND PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU MPX- RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RELAY ENERGIZED DRIVE D-IG FUSE SIDE J/B (BEHIND LEFT KICK PANEL) SKID CONTROL ECU (BEHIND LEFT END OF DASH) TILT, TELESCOPIC ECU (BEHIND LEFT END OF DASH) TIRE PRESSURE MONITOR RECEIVER (BEHIND CENTER OF DASH, BELOW RADIO) VIO WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

27 7 18 30 22 CTY CTYB CYL 6 1 BDR GND AIR BAG SENSOR ASSEMBLY (AT CENTER OF DASH, BELOW RADIO) BL (UNDER DRIVER'S SEAT) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BP (AT LEFT QUARTERPANEL) BQ (AT RIGHT QUARTERPANEL) BRN WIRE COMBINATION METER COMBINATION SWITCH CTY CTYB CYL D DOOR FUSE D-IG FUSE DOOR IND 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) GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IH (UNDER STEERING COLUMN) J/C 13 (BEHIND RIGHT SIDE OF DASH) JC-17 JC-18 JC-20 LEFT DOOR COURTESY LIGHT LEFT DOOR COURTESY SWITCH LEFT LUGGAGE COMPARTMENT LIGHT LEFT SCUFF PLATE LIGHT LGCY LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU MPX MPX-B MPXB ORG/ WIRE P DOOR FUSE P-GND PASSENGER DOOR ECU (IN RIGHT DOOR) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) 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) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT DOOR COURTESY LIGHT RIGHT DOOR COURTESY SWITCH RIGHT LUGGAGE COMPARTMENT LIGHT SKID CONTROL ECU (BEHIND LEFT END OF DASH) SLIDING ROOF CONTROL ECU (IN LEFT REAR OF LUGGAGE COMPT) TILT, TELESCOPIC ECU (BEHIND LEFT END OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

15 7 5 8 6 12 TAIL-RLY FMIG 5 13 2 10 12 1 SG MPX- MPX+ BUBS BL (UNDER DRIVER'S SEAT) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BP (AT LEFT QUARTERPANEL) CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION SWITCH (ON STEERING COLUMN, BEHIND STEERING WHEEL) COMPUTER DATA LINES SYSTEM CRA RELAY DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM 1 R/B (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FRONT CONTROLLER GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HIGH MOUNTED STOP LIGHT HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (BEHIND FUSE RIGHT KICK PANEL) HOT WITH IG (LEFT SIDE OF STEERING COLUMN) INSTRUMENT PANEL J/B (BEHIND UPPER CENTER JC-17 JUNCTION CONNECTOR JUNCTION CONNECTOR 1 (IN ENGINE ROOM 2 R/B) JUNCTION CONNECTOR 14 (BEHIND RIGHT SIDE OF DASH) JUNCTION CONNECTOR 3 (IN ENGINE ROOM 2 R/B) JUNCTION CONNECTOR 8 (BEHIND LEFT END OF DASH) IF IK LCE LP FUSE LEFT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT REAR COMBINATION LIGHT LEFT REAR SIDE MARKER LIGHT LEFT STOP LICENSE PLATE LIGHT LIGHT LT GRN/BLK WIRE LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU MPX-IG FUSE OF DASH) P-GND RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT PARKING LIGHT RIGHT REAR COMBINATION LIGHT RIGHT REAR SIDE MARKER LIGHT RIGHT STOP RR J/B FUSE TAIL FUSE TAIL- LIGHT TURN SIGNAL TURN SIGNAL TAIL LIGHT VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

BL (UNDER DRIVER'S SEAT) BLK WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU FUEL FUEL LID OPENER MOTOR (AT LEFT SIDE OF LUGGAGE COMPT) FUEL LID OPENER SWITCH FUEL OPN (0) FUEL OPN (P) FUEL OPN FUSE FUSE HOT AT ALL TIMES II (ON LEFT SIDE DASH BRACE) BP (AT LEFT QUARTERPANEL) JC-17 LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX MPX-B P-GND PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RED WIRE WHT/BLK WIRE WHT/BLU WIRE

AUTO ANTENNA CONTROL RELAY BL (UNDER DRIVER'S SEAT) BLK WIRE BM (UNDER FRONT PASSENGER'S SEAT) BN (LEFT QUARTER PANEL) BO (NEAR STEREO COMPONENT AMPLIFIER) BP (LEFT QUARTER PANEL) BQ (RIGHT QUARTER PANEL) BRN WIRE DRIVER DOOR ECU FUEL LID OPENER MOTOR FUEL PUMP HIGH MOUNTED STOP LIGHT LEFT BACK-UP LIGHT SWITCH LEFT BUCKLE SWITCH LEFT QUARTER PANEL) LEFT REAR COMBI- NATION LIGHT LEFT REAR SIDE MARKER LIGHT LUGGAGE ROOM J/B (LEFT REAR CORNER OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU LUMBAR SUPPORT CONTROL SWITCH (DRIVER'S SLIDE) LUMBAR SUPPORT CONTROL SWITCH (FRONT PASSENGER'S SEAT) MAYDAY SWITCH NAVI- GATION ECU TELEPHONE COMPUTER PASSENGER DOOR ECU POWER SEAT CONTROL SWITCH (DRIVER'S SEAT) POWER SEAT CONTROL SWITCH (FRONT PASSENGER'S SEAT) POWER SEAT ECU (DRIVER'S SEAT) POWER SEAT ECU (FRONT PASSENGER'S SEAT) POWER SEAT POSITION SENSOR (DRIVER'S FRONT VERTICAL) POWER SEAT POSITION SENSOR (DRIVER'S RECLINING) POWER SEAT POSITION SENSOR (FRONT PASSENGER'S FRONT VERTICAL) POWER SEAT POSITION SENSOR (FRONT PASSENGER'S RECLINING) REAR WINDOW DEFOGGER RIGHT BACK-UP LIGHT SWITCH RIGHT BUCKLE SWITCH, OCCUPANT DETECTION SENSOR RIGHT QUARTER PANEL RIGHT REAR COMBI- NATION LIGHT RIGHT REAR SIDE MARKER LIGHT SEAT HEATER CONTROLLER (DRIVER'S SEAT) SEAT HEATER CONTROLLER (FRONT PASSENGER'S SEAT) SLIDING ROOF CONTROL ECU STEREO COMPONENT AMPLIFIER TELEPHONE MICRO- PHONE AMPLIFIER WHT WIRE WHT/BLK WIRE

21 29 30 22 PWS PWE 6 1 BDR GND AIR BAG AIR BAG SENSOR ASSEMBLY (AT CENTER OF DASH, BELOW RADIO) BL (UNDER DRIVER'S SEAT) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BP (AT LEFT QUARTERPANEL) BQ (AT RIGHT QUARTERPANEL) BRN WIRE BUBS 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 GLOVE BOX LIGHT SWITCH GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IG (LEFT SIDE OF STEERING COLUMN) IH (UNDER STEERING COLUMN) J/C 13 (BEHIND RIGHT SIDE OF DASH) JC-17 JC-18 LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU MPX 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 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 END OF DASH) RIGHT POWER WINDOW CONTROL SWITCH SLIDING ROOF CONTROL ECU (IN LEFT REAR OF LUGGAGE COMPT) THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

BKUP BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BP (AT LEFT QUARTERPANEL) BUBS COMPUTER DATA LINES SYSTEM DEF DEFOGGER SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FUEL OPN FUSE FUSE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START MPX-IG FUSE JC-17 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/BLK WIRE WHT/RED WIRE YEL WIRE

AIR CONDITIONING, INSTRUMENT CLUSTER SYSTEMS BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BODY COMPUTER, EXTERIOR LIGHTS SYSTEMS BODY COMPUTER, SOUND, DEFOGGER, ANTI-THEFT, DOOR LOCK SYSTEMS CIG FUSE PASSENGER SIDE J/B ECU ACCY CIGARETTE LIGHTER DEFOG FUSE DEFOG RELAY DEFOGGER SYSTEM DOME FUSE ENGINE ROOM NO.1 R/B (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FROM DRIVER SIDE J/B (DIAGRAM 3 OF 3) FROM ENGINE ROOM NO 1 R/B (DIAGRAM 1 OF 1) FROM ENGINE ROOM NO.1 R/B (DIAGRAM 1 OF 3) FROM IGNITION SWITCH (DIAGRAM 1 OF 3) FUEL OPN FUSE FUSE GRN WIRE GRY WIRE H-LP CLN FUSE H-LP LVL FUSE HEADLIGHT CLEANER MOTOR HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS, WIPER/WASHER, BODY COMPUTER SYSTEMS II (LEFT INSTRUMENT PANEL BRACE) IG (LEFT SIDE OF STEERING COLUMN) JC/11 (BELOW CENTER OF DASH, BELOW RADIO) LCE LP FUSE LGG LH FUSE ROOF RH FUSE LGG RH FUSE LT GRN WIRE LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU NAVIGATION SYSTEM NOT USED ORG/ WIRE P-IG FUSE P-P/SEAT FUSE P-TRAY FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PNK WIRE POWER TOPS SYSTEM RADIO 2 FUSE RED WIRE RED/BLU WIRE RELAY ROOF LH FUSE RR J/B FUSE SEAT HTR FUSE SEATS SYSTEM SOUND SYSTEM, NAVIGATION, SEATS, SHIFT INTERLOCK, MIRRORS SYSTEMS SYSTEMS TO DRIVER SIDE J/B (DIAGRAM 3 OF 3) TV FUSE A/C FUSE VIO WIRE WASHER FUSE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/WASHER, BODY CONTROL MODULE

13 2 MPX- MPX+ 26 25 LCT LCTE 5 7 MPX-B BL (UNDER DRIVER'S SEAT) BP (AT LEFT QUARTERPANEL) BLK WIRE BLU/BLK WIRE BLU/YEL WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) CNCL COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU FUEL OPN FUSE FUSE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES IG (LEFT SIDE OF STEERING COLUMN) IH (UNDER STEERING COLUMN) II (ON LEFT SIDE DASH BRACE) JC-17 L-O/C (P) LCTY LCM+ LUGGAGE COMPARTMENT DOOR OPENER MAIN SWITCH LUGGAGE COMPARTMENT DOOR OPENER SWITCH LUGGAGE ROOM J/B (AT LEFT REAR CORNER OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU P-GND PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RED WIRE SLIDING ROOF CONTROL ECU (IN LEFT REAR OF LUGGAGE COMPT) TSW VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE