Lexus SC I (1991-2001) (right rear side of cylinder head) Wiring diagrams

12 13 14 15 16 17 18 19 20 21 22 23 B+ 14 2 1 15 3 TS WA TC D/G WT 21 11 8 24 TS WA TC D/G A/D ABS ABS ECU (BEHIND RIGHT SIDE OF DASH) ABS SOL RELAY (R/B 6) ABS W/ TRACTION CONTROL ABS W/O TRACTION CONTROL ABS, TRACTION ECU (ABOVE BASE OF RIGHT B-PILLAR) AIR BAG SENSOR ASSEMBLY (BEHIND CENTER OF DASH) 5 8 LA TC BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CG SG COMBINATION METER COOLING FAN ECU (BEHIND RIGHT SIDE OF DASH) DATA LINK CONNECTOR 1 (LEFT SIDE OF ENGINE) DATA LINK CONNECTOR 2 (BEHIND LEFT SIDE OF DASH) DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) SIL EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE COOLANT TEMP SENSOR (BEHIND UPPER RIGHT SIDE OF DASH) GRY/RED WIRE HOT AT ALL TIMES J/B 1 (LEFT KICK PANEL) J/B 3 (BEHIND COMBINATION METER) NCA WIRE OBD FUSE PNK WIRE PNK/BLK WIRE R/B 2 (LEFT SIDE OF ENG COMPT) RED WIRE RED/BLK WIRE SIL TH+ TRC+ VIO WIRE VIO/WHT (OR GRY/RED) WIRE VIO/WHT WIRE WA WB WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 7 8 9 10 16 BATT +BM 5 11 12 PNK WIRE 5 6 23 TC STP CCS A/D A/T INDICATOR SWITCH ACCEL POSITION SENSOR (TOP CENTER OF ENGINE) BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRAIDED BRN WIRE CL- COMBINATION METER CRUISE CONTROL SWITCH CRUISE IND EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) ETCS FUSE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES IGN FUSE STOP FUSE HOT IN ON OR START GAUGE FUSE IGSW MREL +B J/B 3 (BEHIND CENTER OF DASH) JUNCTION BLOCK 1 LEFT SIDE OF ENGINE COMPRT.) M- M+ MAIN PNK WIRE PNK/BLK WIRE RED WIRE RED YEL/ WIRE RED/BLU WIRE RED/YEL WIRE RELAY BLOCK 2 RES+ SET/ COAST STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) THROTTLE CONTROL MOTOR (ON THROTTLE BODY) THROTTLE POSITION SENSOR (ON THROTTLE BODY) VC CL- VEHICLE SPEED SENSOR 2 (ON TRANSMISSION) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

4.0L BRN WIRE COMBINATION METER CRUISE CONTROL SWITCH D/A CONVERTER DATA LINK CONNECTOR 2 DATA LINK CONNECTOR 3 DRIVER'S POWER SEAT CONTROL SWITCH DRIVER'S POWER SEAT ECU DRIVER'S SEAT HEATER ENGINE CONTROL MODULE ENGINE OIL LEVEL WARNING SWITCH DATA LINK CONNECTOR 1 FUEL PUMP FUEL PUMP ECU HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 IGNTION COIL, IGNITER 1 IGNTION COIL, IGNITER 2 IGNTION COIL, IGNITER 3 IGNTION COIL, IGNITER 4 IGNTION COIL, IGNITER 5 IGNTION COIL, IGNITER 6 IGNTION COIL, IGNITER 7 IGNTION COIL, IGNITER 8 LEFT BUCKLE SWITCH LICENSE PLATE LIGHT LIGHT FAILURE SENSOR LUGGAGE COMPARTMENT KEY UNLOCK SWITCH NCA WIRE PIONEER PLAYER RADIO RED/ WHT WIRE STEREO POWER AMPLIFIER STEREO POWER AMPLIFIER CD AUTOMATIC CHANGER W/ MEMORY WHT/BLK WIRE WHT/RED WIRE

A/C AND ELECTRONIC POWER STEERING SYSTEMS A/C CONTROL ASSEMBLY ABS IND. ANTI-LOCK BRAKE SYSTEM BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE IND BRN WIRE CHARGE IND COMBINATION METER CRUISE IND DOOR IND DRIVE MONITOR ECU-B FUSE ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM (TURN FLASHER) FUEL FUEL INJECTOR 1 FUEL SENDER (IN FUEL TANK) GRN WIRE GRN/ YEL WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HEAD IND HEAD- LIGHTS SYSTEM HIGH BEAM IND HOT AT ALL TIMES HOT IN ON OR START HOT IN RUN GAUGE FUSE HOT WITH TAILLIGHT RELAY ENERGIZED IGN FUSE ILLUMINATION J/B 1 (LEFT SIDE OF DASH) J/B 3 (BEHIND CENTER OF DASH) J/B 3 (CENTER OF DASH) LEFT TURN IND LOW FUEL IND LT GRN WIRE LT GRN/RED WIRE MALFUNCTION IND OIL IND OIL LEVEL IND OIL PRESSURE SWITCH (LEFT SIDE OF ENG) ORG/ WIRE PANEL FUSE PNK/BLU WIRE POWER IND REAR LT IND RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RHEOSTAT RIGHT TURN IND SEAT BELT IND SNOW IND SPEEDOMETER/ ODOMETER/ TRIPMETER SRS IND STARTING/ CHARGING SYSTEM (GENERATOR) SUPPLEMENTAL RESTRAINTS SYSTEM TRAC IND TRAC OFF IND VIO WIRE VIO/WHT WIRE WARNING SYSTEM WASHER LEVEL IND WATER TEMP WATER TEMPERATURE SENDER 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