Lexus SC II (2001-2005) (under steering column) ih Wiring diagrams

12 4 TS D/G 16 22 3 TACH WFSE TC AIR BAG SENSOR ASSEMBLY (AT CENTER OF DASH, BELOW RADIO) BLK GRN/ LT WIRE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) CG SG 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) HOT AT ALL TIMES J/C 13 (BEHIND RIGHT SIDE OF DASH) J/C 4, 5 (IN ECU BOX) J/C 7 (IN ECU BOX) J/C 9, 10 (BEHIND TOP LEFT END OF DASH) LT GRN/BLK WIRE MULTI-DISPLAY OBD FUSE PNK/BLK WIRE SIL SKID CONTROL ECU (BEHIND LEFT END OF DASH) TAC TC TS WFSE BAT WFSE WHT WIRE WHT/BLK WIRE

+IG REAR LIGHTS IND 13 15 STPI 2 10 HAZ BU+ A/C CONTROL BLK WIRE BLK/ORG WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM D-IG FUSE DASH, ABOVE STEERING COLUMN) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU ED (REAR OF LEFT FENDER) FUSE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE HAZARD SWITCH ASSEMBLY (BEHIND CENTER OF DASH) HOT AT ALL TIMES IH (UNDER STEERING COLUMN) JUNCTION CONNECTOR 12 (BEHIND RIGHT SIDE OF DASH) JUNCTION CONNECTOR 13 (BEHIND RIGHT SIDE OF DASH) JUNCTION CONNECTOR 14 (BEHIND RIGHT SIDE OF DASH) JUNCTION CONNECTOR 3 (IN ENGINE ROOM 2 R/B) LEFT FRONT TURN SIGNAL LIGHT LEFT TURN LEFT TURN IND MPX MPX+B TAIL IND (CANADA) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RED WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT TURN SIGNAL LIGHT RIGHT TURN RIGHT TURN IND STOP FUSE STOPLIGHT SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TURN SIGNAL FLASHER RELAY (BEHIND LEFT SIDE OF WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 +B ILL 10 5 PNK TX- TX+ WIRE 6 5 4 3 2 1 PNK TXS- WIRE 8 19 TX+ TX- 9 20 GTX+ GTX- PNK WIRE ATX- ATX+ AUDIO DOOR CONTROL SWITCH AUO+ AUO- BLK WIRE BLU 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 ENGINE ROOM 1 R/B FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IG+ IG+ IH (UNDER STEERING COLUMN) IG (LEFT SIDE OF STEERING COLUMN) IJ (ON RIGHT SIDE DASH BRACE) ILL 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) J/C 9, 10 (BEHIND TOP LEFT END 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) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RADIO 2 FUSE PNK WIRE R- L- GND RADIO 1 FUSE RADIO, PLAYER RED WIRE RED/WHT WIRE RED/YEL WIRE TXS- VIO WIRE W/ NAVIGATION WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL/GRN WIRE

3 2 MPX 2 MPX 1 4 3 2 1 ESL SSL- SSL+ VUPL A/C CONTROL ASSEMBLY AIR BAG AIR BAG SQUIB (FRONT PASSENGER AIR BAG ASSSEMBLY) BL (UNDER DRIVER'S SEAT) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMBINATION METER D-IG FUSE DATA LINK CONNECTOR 3 (PARTIAL) (BEHIND LEFT SIDE OF DASH) DBKL 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 COMPARTMENT, IN ECU BOX) ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPARTMENT, FORWARD OF STRUT TOWER) FRONT CONTROLLER GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRY/BLU WIRE HOT IN ON OR START J/C 20 (UNDER RIGHT SIDE OF DRIVER'S SEAT) J/C 9 (BEHIND TOP LEFT END OF DASH) LEFT BUCKLE SWITCH (IN LEFT FRONT SEAT BELT BUCKLE) LEFT FRONT AIR BAG SENSOR (AT LEFT FRONT OF ENGINE COMPARTMENT) LEFT SIDE AIR BAG SENSOR (BEHIND INTERIOR TRIM, FORWARD OF LEFT REAR WHEEL) LT GRN/BLK WIRE MPX ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PNK/BLU WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT AIR BAG SENSOR (AT RIGHT FRONT OF ENGINE COMPARTMENT) SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SOLID STATE SRS TIRE PRESSURE MONITOR RECEIVER (BEHIND CENTER OF DASH, BELOW RADIO) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/PNK WIRE YEL/RED WIRE