Lexus SC II (2001-2005) (on left side dash brace) ii Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 CPUB 24 23 21 20 13 12 IMI IMO 5 4 3 2 1 GND TXCT RXCK CODE +B 7 15 16 HRLY COMPUTER DATA LINES SYSTEM 7 8 1 2 4 5 DL LL PL RL AIRBAG BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/ WHT WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) CNCL CODE RXCK TXCT AGND GND COMPUTER DATA LINES SYSTEM CRA RELAY DATA DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) ED (REAR OF LEFT FENDER) EFIO EFII 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 GRN BLK/ WIRE GRN WIRE GRN/ YEL WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HDCY HEAD LP RELAY HEADLIGHTS SYSTEM HORN FUSE HORN RELAY HORN RLY HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR START IG (25-28 NOT USED) 29 30 31 32 33 RDA RSSI IGN FUSE IH (UNDER STEERING COLUMN) IND BZR JUNCTION CONNECTOR 2 (IN ENGINE JUNCTION CONNECTOR 3 (IN ENGINE ROOM 2 R/B) LT GRN/BLK WIRE MAIN FUSE MAIN LUGGAGE COMPARTMENT DOOR OPENER SWITCH MPX ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (RIGHT SIDE KICK PANEL) PNK WIRE PNK/BLU WIRE RCO (16-19 NOT USED) 20 21 22 23 24 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE ROOM 2 R/B) RSSI SECURITY INDICATOR LIGHT TAIL-RLY THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) THEFT DETERRENT HORN (AT RIGHT FRONT OF ENGINE COMPT) TRANSPONDER KEY AMPLIFIER (BEHIND DASH, RIGHT OF STEERING COLUMN) TRANSPONDER KEY COIL UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE WIRELESS DOOR LOCK BUZZER YEL 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