Lexus SC I (1991-2001) pnk/blk Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 SFRR SFRH 1 2 3 4 5 6 7 8 9 10 11 12 MR FL- FR+ AST SFLH SFLR SR FL+ FR- MT SRH SRR ABS ACTUATOR (AT RIGHT REAR CORNER OF ENGINE COMPT) ABS ECU (BEHIND RIGHT SIDE OF DASH) ABS INDICATOR ABS MOTOR RELAY BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRAIDED COMBINATION METER DATA LINK CONNECTOR 1 DATA LINK CONNECTOR 2 (BEHIND LEFT SIDE OF DASH) ECU-IG FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN J/B 1 (BEHIND LEFT KICK PANEL) JUNCTION BLOCK 3 (BEHIND CENTER OF DASH) LEFT FRONT ABS SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LT GRN WIRE PNK/BLK WIRE R/B 6 (ON LEFT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ABS SOL RELAY RED WIRE RED/YEL WIRE RIGHT REAR ABS SPEED SENSOR (RIGHT REAR WHEEL ASSEMBLY) STOP FUSE STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) TC RL- RR+ WA TS RL+ RR- D/G VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 SFLR SFLH ABS 1 FUSIBLE LINK ABS ACTUATOR (AT RIGHT REAR CORNER OF ENGINE COMPT) ABS AND TRACTION ECU (ABOVE BASE OF RIGHT B-PILLAR) ABS MOTOR RELAY ABS SOL RELAY AST MR BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRAIDED BRN WIRE FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, BEHIND BATTERY) GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM JUNCTION BLOCK 3 (BEHIND CENTER JUNCTION CONNECTOR J/C 2 (CENTER OF REAR SHELF) LEFT FRONT ABS SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LT GRN WIRE LT GRN/RED WIRE OF DASH) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE R/B 6 (ON LEFT SIDE OF ENGINE COMPARTMENT, BEHIND STRUT TOWER) RED WIRE RED/BLK WIRE RIGHT REAR ABS SPEED SENSOR (RIGHT REAR WHEEL ASSEMBLY) SPC SFRR SR MT R+ SRRR SRRH SRC SMC SRLH SRLR SFRH TS D/G IND FR+ FL- TRC+ VIO WIRE VIO/WHT WIRE 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

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

1 2 3 4 5 6 IG 11 12 13 TAIL H-LP 3.0L 3.0L RIGHT LOW BEAM HEADLIGHT 4.0L AUTOMATIC LIGHT CONTROL SENSOR (LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER COMBINATION SWITCH CTY DAYTIME RUNNING LIGHT RELAY (MAIN) (ON J/B 1) DAYTIME RUNNING LIGHT RELAY 2 (BEHIND LEFT HEADLAMP) DAYTIME RUNNING LIGHT RELAY 3 (BEHIND LEFT HEADLAMP) DAYTIME RUNNING LIGHT RELAY 4 (BEHIND LEFT HEADLAMP) DIMMER SWITCH DRL FUSE ECU-IG FUSE ECU-B FUSE EXTERIOR LIGHTS SYSTEM (TAILLIGHT RELAY) FOG LIGHT RELAY FOGLIGHT SWITCH FUSE BLOCK (BEHIND BATTERY) GENERATOR GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE HEAD FUSE (LH-LWR) HEAD FUSE (RH-LWR) HEAD IND HEAD LH UPR FUSE HEAD RELAY HEAD RH UPR FUSE HF HI DIM HIGH BEAM IND HIGH FLASH LO TAIL HEAD AUTO OFF LIGHT CONTROL SWITCH HOT AT ALL TIMES HOT AT ALL TIMES HOT IN START OR RUN HOT AT ALL TIMES R/B 4 (BEHIND LEFT KICK PANEL, ON FRONT SIDE OF J/B 1) FOG FUSE J/B 1 (BEHIND LEFT KICK PANEL) J/B 1 (LEFT KICK PANEL) LEFT DOOR OPEN DETECTION SWITCH LEFT HIGH BEAM HEADLIGHT LEFT LOW BEAM HEADLIGHT LT GRN WIRE LT GRN/BLK WIRE MAIN FUSE PLOCK PKB LOCK CHG- PNK 1 2 3 4 5 6 7 8 9 WIRE PNK DOOR LOCKS SYSTEM WIRE PNK/BLK WIRE R/B 2 (ON LEFT SIDE OF ENGINE COMPT, BEHIND BATTERY) R/B 5 (BEHIND LEFT KICK PANEL, ON REAR SIDE OF J/B 1) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT DOOR OPEN DETECTION SWITCH RIGHT FOG LIGHT LEFT FOG LIGHT RIGHT HIGH BEAM HEAD- LIGHT WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 SO DSW 1 2 3 4 5 6 7 8 9 10 11 12 IG TEM+ TIM- +B ASW AUTO SW BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE DASH HARN, BEHIND COMBINATION METER) DOME FUSE DRIVER'S POWER SEAT ECU (UNDER DRIVER'S SEAT) DRIVER'S POWER SEAT ECU SHIELD DRIVING POSITION MEMORY, RETURN SWITCH (LEFT SIDE OF DASH) ECU-IG FUSE GAUGE FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN START OR RUN JUNCTION BLOCK 1 (BEHIND LEFT KICK PANEL) LEFT DOOR LOCK/ UNLOCK MOTOR, DOOR DETECTION POSITION SWITCH MANUAL SW MSW VC ECU-B NCA WIRE P (PKB) GND PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY BLOCK 2 (ON LEFT SIDE OF ENGINE COMPT, BEHIND BATTERY) REMOTE CONTROL MIRROR ECU (BEHIND LEFT CENTER OF DASH) SET- SI SO SSR- TELESCO LONG TELESCO SHORT TELESCOPIC CONTROL MOTOR TELESCOPIC POSITION SENSOR TELESCOPIC POSITION SENSOR (BEHIND LEFT SIDE OF DASH) TES TIS ECUE SO UWSW MRY TILT CONTROL MOTOR TILT DOWN TILT POSITION SENSOR TILT UP TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) TILT, POWER TELESCOPIC UNIT (COMBINATION SWITCH) TIM+ TEM- UNLOCK WARNING SWITCH (IGNITION SWITCH) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 7 8 10 SVCC SIG SGND SOLID STATE 11 6 4 14 2 5 6 7 8 ANT+B IG GND 12 13 3 1 2 3 ANTB ANTA +B AUTO ANTENNA CONTROL RELAY AUTO ANTENNA MOTOR AUTO ANTENNA MOTOR, RELAY (AT LEFT SIDE OF LUGGAGE COMPARTMENT) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE DOWN ECU-IG FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN START OR ON JUNCTION BLOCK 1 (BEHIND LEFT KICK PANEL) PIONEER PNK/BLK WIRE RADIO 1 FUSE RADIO 2 FUSE RADIO, PLAYER RED WIRE RED/GRN WIRE RELAY BLOCK 2 (ON LEFT SIDE OF ENGINE COMPT, BEHIND BATTERY) SENSOR WHT/BLK WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 TXM+ SGND 1 2 3 4 5 6 7 8 9 10 11 12 CDR+ CDL+ A/C, RADIO CONTROL SWITCH AMP AMP RR RL BEEP GND SGND B+ TXM- MUTE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CD PLAYER CDR- CDL- CDR- CDR+ CDL- CDL+ D/A CONVERTER DOME FUSE FR FL MUTE FR+ FL+ RR+ RR- FR- FL- GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON ILLUM ANTB ILLUM TLMT ANTA J/B 1 (BEHIND LEFT KICK PANEL) LEFT REAR SPEAKER LT GRN WIRE LT GRN/RED WIRE MUTE MUTE FL FR ANT NCA WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER ANTENNA SYSTEM R/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT, BEHIND BATTERY) RADIO FUSE 1 RADIO FUSE 2 RADIO/CD PLAYER RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT REAR SPEAKER LEFT FRONT DOOR SPEAKER RL+ RL- B+ SGND GND BEEP RL RR SPEAKER RELAY STEREO POWER AMPLIFIER (RIGHT SIDE OF LUGGAGE COMPARTMENT) TELEPHONE TRANSCEIVER TELEPHONE TRANSCEIVER, SPEAKER RELAY (LEFT REAR CORNER OF LUGGAGE COMPARTMENT) TXM- TXM+ VIO WIRE VOL (-) VOLC PWR WF+ WF- WHT WIRE WHT/GRN WIRE WOOFER SPEAKER YEL WIRE YEL/RED WIRE

AIR BAG SENSOR ASSEMBLY (BEHIND CENTER OF DASH, FORWARD OF CENTER CONSOLE) AIR BAG SQUIB (FRONT PASSENGER AIR BAG ASSEMBLY) AIR BAG SQUIB (STEERING WHEEL PAD) BLK/ORG WIRE BLK/YEL WIRE BLU WIRE CIG FUSE COMBINATION METER DATA LINK CONNECTOR (DLC) 2 (PARTIAL) (BEHIND LEFT SIDE OF DASH) 4 12 ECU-B FUSE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IGN FUSE J/B 1 (BEHIND LEFT KICK PANEL) J/B 3 (BEHIND CENTER OF DASH) LA D- D+ TC P+ P- PNK/BLK WIRE PNK/BLU WIRE RED WIRE SRS WARNING LIGHT WHT RED/ WIRE WHT WIRE WHT/BLK WIRE YEL BLK/ WIRE YEL WIRE