Wiring diagrams for Lexus SC
Access to the online wiring database Lexus SC I (1991-2001)
Automatic a/c circuit (1 of 2)
Automatic a/c circuit (1 of 2)
Anti-lock brake circuits, with traction control (1 of 2)
Anti-lock brake circuits, with traction control (1 of 2)
Anti-theft circuit (1 of 2)
Anti-theft circuit (1 of 2)
Wiring diagram engine performance 3.0ls (1 of 4)
Wiring diagram engine performance 3.0ls (1 of 4)
Exterior lamps circuit (1 of 2)
Exterior lamps circuit (1 of 2)
Ground distribution circuit (1 of 4)
Ground distribution circuit (1 of 4)
Instrument cluster circuit (1 of 2)
Instrument cluster circuit (1 of 2)
Memory seat circuit (1 of 2)
Memory seat circuit (1 of 2)
Power distribution circuit (1 of 3)
Power distribution circuit (1 of 3)
Power door lock circuit (1 of 2)
Power door lock circuit (1 of 2)

Wiring Diagrams for Lexus SC I (1991-2001)

  • Description:
    Engines: 3.0L, 4.0L
  • Systems: 62 Components: 1215
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  • Finding components on wiring diagrams
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List of components:

A/C CONTROL SWITCH, RADIO SWITCH A/C CONTROL, RADIO SWITCH LAMP A/C DUAL PRESSURE SWITCH A/C SINGLE PRESSURE SWITCH A/C, RADIO CONTROL SWITCH BRAKE FLUID LEVEL SWITCH COMBINATION SWITCH COMBINATION SWITCH TURN SIGNAL SWITCH CRUISE CONTROL SWITCH DIMMER SWITCH DOOR OPEN DETECTION SWITCH LH DOOR OPEN DETECTION SWITCH RH DRIVER'S POWER SEAT CONTROL SWITCH DRIVING POSITION MEMORY, RETURN SWITCH ELECTRONIC CONTROLLED TRANSMISSION PATTERN SELECT, SEAT HEATER SWITCH ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE HOOD COURTESY SWITCH ENGINE OIL LEVEL WARNING SWITCH FOGLIGHT SWITCH FUEL LID OPENER SWITCH GLOVE BOX LIGHT SWITCH HAZARD SWITCH HAZARD SWITCH LAMP HIGH FLASH LO TAIL HEAD AUTO OFF LIGHT CONTROL SWITCH HORN SWITCH HOT W/LIGHT SWITCH IN TAIL OR HEAD IGNITION SWITCH KEY UNLOCK WARNING SWITCH LEFT BUCKLE SWITCH LEFT DOOR KEY LOCK/ UNLOCK SWITCH LEFT DOOR LOCK/ UNLOCK MOTOR, DOOR DETECTION POSITION SWITCH LEFT DOOR OPEN DETECTION SWITCH LEFT DOOR UNLOCK, DOOR OPEN DETECTION SWITCH LEFT FRONT DOOR KEY LOCK/UNLOCK SWITCH LEFT LOCK/ UNLOCK MOTOR, DOOR DETECTION POSITION SWITCH LEFT POWER WINDOW MASTER SWITCH, DOOR LOCK CONTROL SWITCH LH SELECT SWITCH RH LIGHT CONTROL SWITCH COMBINATION SWITCH LOCK SWITCH LUGGAGE COMPARTMENT DOOR OPEN SWITCH LUGGAGE COMPARTMENT DOOR OPENER SWITCH LUGGAGE COMPARTMENT KEY UNLOCK SWITCH LUGGAGE COMPARTMENT LIGHT SWITCH MASTER POWER WINDOW/DOOR LOCK CONTROL SWITCH MOON ROOF CONTROL SWITCH MOON ROOF LIMIT SWITCH OPERATION SWITCH PARK/ NEUTRAL POSITION SWITCH PASSENGERS POWER SEAT CONTROL SWITCH POWER STEERING OIL PRESSURE SWITCH POWER WINDOW MASTER SWITCH RADIO TEMP CONTROL SWITCH REMOTE CONTROL MIRROR SWITCH RIGHT DOOR KEY LOCK/ UNLOCK SWITCH RIGHT DOOR LOCK CONTROL SWITCH RIGHT DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH, OPEN DETECTION SWITCH RIGHT DOOR OPEN DETECTION SWITCH RIGHT DOOR UNLOCK, DOOR OPEN DETECTION SWITCH RIGHT FRONT DOOR KEY LOCK/UNLOCK SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT LOCK/ UNLOCK MOTOR, DOOR DETECTION POSITION SWITCH RIGHT POWER WINDOW CONTROL SWITCH SEAT HEATER SWITCH SELECT SWITCH SHIFT LOCK CONTROL SWITCH TRACTION CUT SWITCH TRANSMISSION CONTROL SWITCH TRIP SWITCH, THEFT DETERRENT UP OPERATION SWITCH WASHER LEVEL SWITCH WASHER MOTOR, WIPER/WASHER SWITCH, WIPER MOTOR WASHER SWITCH WIPER SWITCH

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 13 14 15 16 17 18 SO DSW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 SYSB SLSW PVCC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 GND SLD+ RCL+ FRV+ +B STOP IG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 MHR MVR M+R +B HSRR VSRR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RL- RR+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 GRD 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+ 1 2 3 4 5 6 7 8 9 10 11 12 IG TEM+ TIM- +B 1 2 3 4 5 6 7 8 9 10 11 12 MR FL- FR+ AST SFLH SFLR SR FL+ FR- MT SRH SRR 1 2 3 4 5 6 7 8 9 10 11 12 SFLR SFLH 1 2 3 4 5 6 7 8 9 10 IGB SOL+ SOL- 1 2 3 4 5 6 7 8 9 10 TO ACT- ACT+ 1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 PWRL 1 2 3 4 5 6 IG 1 2 3 4 5 6 SWE SWRV SWB SWRH SWLH SWLV 1 2 3 4 PWRL 1 2 3 7 8 10 SVCC SIG SGND SOLID STATE 1 2 3 8 9 10 16 BATT SNWL SNWI 1 2 3 8 9 11 12 SI DSW 1 2 3 BATT SNWL SNWI DI FPC 1 2 5 6 7 8 AC STA TC STP 3 1 7 8 9 10 16 BATT +BM 2 3 TC STP 2 IND 3 IND 3.0L 3.0L, 4.0L 4 IND 4.0L 5 6 23 TC STP CCS 6 11 15 20 STP PWR 9 10 EOM KSW TPC IMLD TXCT RXCK CODE 11 6 4 14 2 5 6 7 8 ANT+B IG GND 11 12 13 TAIL H-LP 12 13 3 1 2 3 ANTB ANTA +B 12 13 14 15 16 17 18 19 20 21 22 23 B+ 13 14 15 16 17 SLU+ SLN- SLT- PI OIL 14 2 1 15 3 TS WA TC D/G WT 18 23 26 PTNK CCS 20 22 21 14 20 15 TRC- NEO EFI- EFI+ 21 11 8 24 TS WA TC D/G +B FR- FL- +B MH MC MFRS MREC IG+ TR MFACE MDEF +BM A/C ACMG IDL A/C AND ELECTRONIC POWER STEERING SYSTEMS A/C CONTROL ASSEMBLY A/C CONTROL ASSY A/T OIL TEMP ABS 1 FUSIBLE LINK ABS IND. ABS W/ TRACTION CONTROL ABS W/O TRACTION CONTROL ACIS BRAIDED ACTD PRLY IG AIR CONDITIONING SYSTEM ALT FUSIBLE LINK AMOUT REOST WV MGC TC TAIL AMP RR RL BEEP GND SGND ANTB ANTA ANT ANTI-THEFT ANTI-THEFT SYSTEM AST MR AUTO DOWN MODULE AUTO SW B+ TXM- MUTE BLW HR RDFGR CFAN BRAIDED BRAIDED BRAKE IND CD PLAYER CDL+ CDR- CDL- CDR- CDR+ CDL- CDL+ CG SG CHARGE IND CHARGING WARNING LIGHT CIGARETTE LIGHTER CL+ SLU- SLN- SLT- OIL 13 14 15 17 CL- CLOCK/ OUTSIDE TEMP CLOSE OPEN COMBI- NATION METER COMBINATION METER COMBINATION METER TAIL CRUISE CONTROL SYSTEM CRUISE IND D IND D/A CONVERTER DASH HARN, BEHIND COMBINATION METER) DEF FACE DEFOGGER SYSTEM DOOR FUSIBLE LINK DOOR IND DOOR OPEN WARNING LIGHT DRIVE MONITOR DSWP KSW LSWP ECUE SO MRY EVG 2 FR FL MUTE FR RECIRC FR+ FL+ RR+ RR- FR- FL- FROM JUNCTION FRONT VERTICAL FRONT VERTICLE FUEL INJECTOR 1 FUSIBLE LINK GND B+ SI HEAD IND HEAD OFF TAIL HEADLIGHTS SYSTEM HF HI DIM HIGH BEAM IND HIGH MOUNTED STOP LIGHT HIGH OFF HOT AT ALL TIMES HOT AT ALL TIMES HOT IN START OR RUN HOT COOL HOT IN ACC OR ON HOT IN ACC OR RUN HOT IN ACCY OR RUN HOT IN ON OR ACC HOT IN ON OR START HOT IN RUN HOT IN RUN OR ACCY HOT IN RUN OR START HOT IN START HOT IN START OR ON HOT IN START OR RUN IDL TAC COOL HP TH+ TH- IG SPD IG STP IGB SOL+ SOL- 2 3 4 5 6 7 8 9 10 IGN A/C IN IGNITION KEY CYLINDER LIGHT IGSW MREL +B IGSW MREL SIL TRC+ ENG+ +B TRC- ENG- NEO IGSW MREL SIL TRC+ ENG+ NEO +B TRC- ENG- EC ILLUM ANTB ILLUM TLMT ANTA IMLD EOM PI CCV STI- 4 10 INJECTOR 1 INJECTOR 2 INJECTOR 3 INJECTOR 4 INJECTOR 5 INJECTOR 6) INNER MIRROR INSTRUMENT CLUSTER SYSTEM INT TIME JUNCTION BLOCK 1 JUNCTION BLOCK 3 JUNCTION BLOCK 3 (BEHIND CENTER KLS+ KNKR KNKL OCV- OCV+ KSW LSWD LSWP IG CTY L IND LA D- D+ TC LBL+ EFI+ CSW LBL- EFI- LEFT FRONT LEFT FRONT FOG LIGHT LEFT FRONT PARKING LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT TURN LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT REAR COMBINATION LIGHT LEFT REMOTE CONTROL MIRROR LEFT RIGHT LEFT TURN IND LEFT TURN SIGNAL IND LEFT VANITY LIGHT LEFT/ RIGHT UP/ DOWN LICENSE PLATE LIGHT LOW FUEL IND LOW/ MIST INT LT SC 300 ONLY LUG HEAD SH IND TSW DSWH LSWD LUMBAR SUPPORT M- M+ MAIN FUSIBLE LINK MALFUNCTION IND MANUAL SW MHL MVL M+L GND MOBILE PHONE MTR + MTR - MUTE +B CDR- CDL- GND TXM- TXM+ MUTE BUS+ BUS- MUTE FL FR ANT N IND NE- NE NSW IGF NE- NE+ NEO STP NO. 1 NO. 2 NO. 3 NO. 4 NOISE FILTER OCR- OF DASH) OFF TAIL OIL IND OIL LEVEL IND OIL TEMP OIL LEVEL P IND P+ P- PERSONAL LIGHT POWER FUSIBLE LINK POWER IND PS OCV- OCV+ CL- CL+ PWR IND R - L - R IND R+ L+ SGND MUTE RADIO, PLAYER RADIO/CD PLAYER RE RL RV REAR LIGHT WARNING LIGHT REAR LT IND REAR VERTICLE REAR WINDOW DEFOGGER RES+ RESET+ RH LH RIGHT FOG LIGHT LEFT FOG LIGHT RIGHT FRONT RIGHT FRONT FOG LIGHT RIGHT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER LIGHT RIGHT FRONT TURN LIGHT RIGHT FRONT TURN SIGNAL LIGHT RIGHT HIGH BEAM HEAD- LIGHT RIGHT LEFT RIGHT REAR COMBINATION LIGHT RIGHT REMOTE CONTROL MIRROR RIGHT TURN IND RIGHT TURN SIGNAL IND RIGHT VANITY LIGHT RIGHT VANITY LIGHT INNER MIRROR RL RR RL+ RL- B+ RR+ RL+ RR- WF+ WF- RL- RSPD PTNK CCS A/C SC 300 SC 400 SC 400 ONLY SEAT BELT IND SEAT BELT WARNING LIGHT SET- SET/ COAST SG TEL IN TP TPI SPD TPM SGND GND BEEP RL RR SGND GND SLD- SI SO SSR- SLD- RCL- FRV- RRV- RRV+ SLDR SLDF SLD+ +B PD RFSW SSRS PBCL RRSW SLN- SLS+ SLS- SLT- SLU+ SLU+ SLN+ SLT+ NCO- SLU- SLN- SLN- SLT- SNOW IND SOL- SOL+ SOLID STATE SPC SFRR SPEEDOMETER/ ODOMETER/ TRIPMETER SR MT R+ SRRR SRRH SRC SMC SRLH SRLR SFRH TS D/G IND FR+ FL- SRS IND SRS WARNING LIGHT SSRR SSRV SSRS SO SSR- STARTING CIRCUIT STARTING/ CHARGING SYSTEM STARTING/ CHARGING SYSTEM INSTRUMENT CLUSTER SYSTEM STARTING/CHARGING SYSTEM STEP LIGHT STI- PWR ACMG 12 13 16 STOP LIGHT STP, BK SUPPLEMENTAL RESTRAINTS SYSTEM TACH STA TC RL- RR+ WA TELESCO LONG TELESCO SHORT TES TIS ECUE SO UWSW MRY TH+ THA VTA THW VPA TILT DOWN TILT UP TIM+ TEM- TO JUNCTION TPC PWR ELS ACMG IDLO TRAC IND TRAC OFF TRAC OFF IND TRANSMISSION SYSTEM TRC+ TS RL+ RR- D/G TURN SIGNAL TURN SIGNAL FLASHER TXCT CODE RXCK KSW 4 TXM+ CDR+ CDL+ TXM- CDR- MUTE TXM- TXM+ UL +B UP DOWN VC CL- VC HSRL VSRL SI VC HTR HTL 1 2 PRG CL- VC HTR HTL 10 20 EVAP VERTICAL FRONT VERTICAL REAR VOLC PWR VPA THA VVR- VVL- VTA THW VTA THW VVR+ VVL+ W/ MEMORY W/ MEMORY W/O MEMORY W/ TRACTION CONTROL W/O MOON W/ MOON ROOF ROOF W/O TRACTION CONTROL WA WB WARNING SYSTEM WASHER LEVEL IND WATER TEMP WATER TEMPERATURE SENDER WF+ WF-