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

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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RL- RR+ 20 22 21 14 20 15 TRC- NEO EFI- EFI+ ABS ABS, TRACTION ECU (ABOVE BASE OF RIGHT B-PILLAR) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRAIDED BRAIDED BRAIDED BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRN WIRE COMBINATION METER ECU-IG FUSE ENGINE CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) GAUGE FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN RUN J/B 1 (BEHIND LEFT KICK PANEL) J/B 3 (BEHIND CENTER OF DASH) JUNCTION CONNECTOR J/C 2 (CENTER OF REAR SHELF) LBL+ EFI+ CSW LBL- EFI- LT GRN WIRE LT GRN/RED WIRE NEO STP PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PNK/BLU WIRE RED WIRE RED/WHT WIRE RL RR STOP FUSE STOPLIGHT SWITCH (ON BRAKE PEDAL SUPPORT) STP, BK TRAC TRAC OFF TRACTION CUT SWITCH TRC+ VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/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

A/B A/T INDICATOR SWITCH ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE CLOCK/ OUTSIDE TEMP COOLING FAN ECU DOME FUSE ENGINE CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL WARNING SWITCH (LEFT SIDE OF ENGINE) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES TRIP SWITCH, THEFT DETERRENT INDICATOR LIGHT HOT IN START IGNITER (3.0L) (LEFT SIDE OF LEFT STRUT TOWER) J/B 1 (LEFT KICK PANEL) J/B 1 (LEFT SIDE KICK PANEL) J/B 3 (BEHIND CENTER OF DASH) J/B 3 (CENTER OF DASH) LT GRN WIRE OIL TEMP OIL LEVEL P/N PARK/ NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK/BLU WIRE R/B 2 (LEFT SIDE OF ENG COMPT) RED WIRE RED/BLK WIRE RED/WHT (OR WHT) WIRE RED/WHT WIRE RED/YEL WIRE RESET+ SET- SHORT CONNECTOR ST FUSE STARTER RELAY THEFT TRIP VIO WIRE VIO/WHT WIRE W/O TRACTION CONTROL WASHER FLUID LEVEL SWITCH (LEFT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL 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

BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CLOSE OPEN DOME FUSE DOOR FUSE DOOR OPEN DETECTION SWITCH LH DOOR OPEN DETECTION SWITCH RH ECU-IG FUSE HOT AT ALL TIMES HOT IN ON OR START JUNCTION BLOCK 1 (BEHIND LEFT KICK PANEL) LT GRN WIRE MOON ROOF CONTROL RELAY (IN FRONT OF MOON ROOF OPENING) MOON ROOF CONTROL SWITCH MOON ROOF MOTOR, LIMIT SWITCH (IN FRONT OF MOON ROOF OPENING) MTR + MTR - NO. 1 NO. 2 PNK WIRE PNK/BLU WIRE POWER FUSE POWER MAIN RELAY RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY BLOCK 2 (ON LEFT SIDE OF ENGINE COMPT, BEHIND BATTERY) THEFT DETERRENT, DOOR LOCK CONTROL ECU (BEHIND INSTRUMENT CLUSTER) UP DOWN VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/YEL 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

BLU RED/ WIRE BLU WIRE BLU/ WHT WIRE COMBINATION METER COMBINATION SWITCH GAUGE FUSE GRN WIRE GRN/RED WIRE HIGH OFF HOT IN START OR ON INT TIME JUNCTION BLOCK 1 (BEHIND LEFT KICK PANEL) JUNCTION BLOCK 1 (BEHIND LEFT KICK PANEL) WIPER FUSE JUNCTION BLOCK 3 (BEHIND CENTER OF DASH) LOW/ MIST INT OFF PNK/BLU WIRE RED WIRE RED/ BLU WIRE SOLID STATE WASHER LEVEL IND WASHER LEVEL SWITCH (AT LEFT FRONT CORNER OF ENGINE COMPT) WASHER MOTOR (AT LEFT FRONT CORNER OF ENG COMPT) WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/RED WIRE WIPER MOTOR (LEFT SIDE OF FIRE- WALL) WIPER SWITCH YEL WIRE

1 2 5 6 7 8 AC STA TC STP 3 13 14 15 16 17 SLU+ SLN- SLT- PI OIL 18 23 26 PTNK CCS 4 5 6 7 8 9 10 PNK WIRE 9 10 EOM KSW TPC IMLD TXCT RXCK CODE AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-THEFT BLK WIRE 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 CRUISE CONTROL SYSTEM DATA LINK CONNECTOR 2 (1998) (LEFT SIDE OF DASH) ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) ENGINE CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES RELAY BLOCK 2 ETCS FUSE IGSW MREL SIL TRC+ ENG+ NEO +B TRC- ENG- EC JUNCTION BLOCK 1 JUNCTION BLOCK 3 KEY UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) NCO ORG/ WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RSPD SIL SLU+ SLN+ SLT+ NCO- PNK WIRE STI- PWR ACMG 12 13 16 TRANSPONDER KEY AMPLIFIER (BEHIND LEFT SIDE OF DASH) VSV (VAPOR PRESSURE SENSOR) (RIGHT FRONT CORNER OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE