Wiring diagrams for Lexus SC
Access to the online wiring database Lexus SC II (2001-2005)
Automatic a/c circuit (1 of 2)
Automatic a/c circuit (1 of 2)
Anti-lock brakes circuit (1 of 2)
Anti-lock brakes circuit (1 of 2)
Power door locks circuit (1 of 2)
Power door locks circuit (1 of 2)
Wiring diagram engine performance 4.3l (1 of 6)
Wiring diagram engine performance 4.3l (1 of 6)
Exterior lamps circuit (1 of 2)
Exterior lamps circuit (1 of 2)
Ground distribution circuit (1 of 3)
Ground distribution circuit (1 of 3)
Headlamps circuit (1 of 2)
Headlamps circuit (1 of 2)
Courtesy lamps circuit (1 of 2)
Courtesy lamps circuit (1 of 2)
Instrument illumination circuit (1 of 2)
Instrument illumination circuit (1 of 2)
Memory systems circuit (1 of 3)
Memory systems circuit (1 of 3)

Wiring Diagrams for Lexus SC II (2001-2005)

  • Description:
    Engines: 4.3L
  • Systems: 67 Components: 1331
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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 GND 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 OPEN 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 TFR+ TFL+ TMUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SRLR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 TC CLTB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 +B ILL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 FSR+ FSR- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 AUI+ AUO+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 REOS TELIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 S/S +2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CPUB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 IG 1 2 3 4 5 6 7 8 9 10 11 12 13 BRFR BRFL BLGR LFR+ RLM+ BLGL BPT CPUB 1 2 3 4 5 6 7 8 9 10 11 12 SP+ AUI+ 1 2 3 4 5 6 7 8 9 10 BACK PBIL 1 2 3 4 5 6 7 8 9 10 EC+ EC- GND 1 2 3 4 5 6 7 8 9 10 ECUE IG 1 2 3 4 5 6 7 8 9 10 KLS+ 1 2 3 4 5 6 7 8 9 10 LML+ RML+ PTM+ LFL+ LML- RML- QWL- QWL+ PTM- LFL- 1 2 3 4 5 6 7 8 9 10 RCL- RCL+ SLD- SLD+ LFT- LFT+ GND +B FRV- FRV+ 1 2 3 4 5 6 7 8 9 10 VGS 1 2 3 4 5 6 7 8 9 10 VR 1 2 3 4 5 6 10 11 21 GND DN UP CPUB SIG BDR LMT 1 2 3 4 5 6 10 11 21 GND DN UP CPUB SIG BDR LMT SGND PLS 1 2 3 4 5 6 IG PB HDLO 1 2 3 4 5 6 QWR+ RMR- QWR- LMR- LMR+ RMR+ 1 2 3 5 6 7 8 9 +B 1 2 3 22 23 24 25 4 BRAIDED 1 2 3 VCM PMC 1 2 14 FSR+ FSR- RBE+ 1 3 VZ GND 1 4 5 6 GND CPUB SIG BDR 1 4 SP+ SP- 1 20 22 21 12 15 6 17 18 TC 2 4 5 6 7 8 13 17 26 EC BATT 2 5 8 9 14 15 16 19 20 21 22 23 25 27 29 30 AUTO 2 9 20 22 23 25 27 29 30 AUTO WLSW 2 10 11 1 9 8 IG 2 10 HAZ BU+ 2 13 5 6 17 4 7 26 EC MREL 2 13 MPX+ MPX- 3 1 VZ GND 3 2 MPX 2 MPX 1 3 4 9 13 14 18 19 20 21 22 26 27 29 30 31 32 33 34 35 TC STP NEO 3 4 13 6 5 20 LSW KUL KL A+ A- CPSE 3 5 6 20 LSW A- A+ CPSE 3 6 5 WSH-RLY 3 11 6 5 WSH-RLY WLVL 4 1 SPI- SPI+ 4 3 2 1 ESL SSL- SSL+ VUPL 4 8 LCTY LCM+ 4 9 1 2 MPX- S/M S/S +2 4 11 9 10 HEAD 4 12 17 9 8 6 D/G TS +BI +BO TRIG 4 13 20 KUL KL CPSE 5 4 3 2 1 GND TXCT RXCK CODE +B 5 7 MPX-B 5 9 10 8 +5 RSSI DATA 5 13 2 10 12 1 SG MPX- MPX+ BUBS 6 1 BDR GND 7 8 1 2 4 5 DL LL PL RL 7 10 11 R/E MSW M+ 7 15 16 HRLY COMPUTER DATA LINES SYSTEM 8 9 19 21 22 27 28 30 ML WLSW MUL PWS 8 19 20 22 27 29 30 ML MUL 8 19 TX+ TX- 9 10 ATX- ATX+ 10 2 13 BUBS MPX+ MPX- 10 2 NSSD 10 3 6 2 NSSD NSSL ATL 10 9 ATX+ ATX- 10 24 25 RFC HP PRE 11 22 7 18 2 12 13 4 15 17 5 16 6 9 20 CG GND SIL WFSE IG BATT 12 4 TS D/G 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 CSW 12 13 14 15 16 17 18 19 20 21 22 23 24 TS 13 2 10 MPX- MPX+ BUBS 13 2 MPX- MPX+ 13 12 STPI STPO 13 15 STPI 13 33 29 30 15 MPX 13 33 MPX 14 7 TS SIL 14 21 16 22 SOL+ SOL- 15 5 TX- TX+ 15 7 5 8 6 12 TAIL-RLY FMIG 16 2 TACH 16 22 3 TACH WFSE TC 18 10 MUL 19 8 TX- TX+ 19 29 30 9 18 ENG+ TRC- ENG- NEO TRC+ 21 29 30 22 PWS PWE 23 14 15 24 ECI- ECI+ EC+ EC- 23 15 16 24 MSWE 24 23 21 20 13 12 IMI IMO 24 25 THW ETHW 25 17 16 FLO 25 26 LCTE LCT 26 25 LCT LCTE 27 7 18 30 22 CTY CTYB CYL +B +BM +B IGSW BATT +BM SIL +BI RL+ RL- RR+ RR- +SM +SR P+ P- SIL D- D+ +SL A/C CONTROL A/C CONTROL ASSEMBLY A/C SYSTEM A/C SYSTEM A/C SYSTEM A/T SHIFT LEVER ILLUMINATION ABS IND. AIF AOF AMHPA AMHDR SG-4 AIR AOD AMCPA AMCDR AIR BAG AIR CONDITIONING SYSTEM AIR CONDITIONING, COOLING FANS, BODY COMPUTER SYSTEMS AIR CONDITIONING, INSTRUMENT CLUSTER SYSTEMS AIRBAG WIP 2 3 4 5 6 7 8 9 10 ATX- ATX+ AUO+ AUO- AUO- BEAM LEVEL IND BODY COMPUTER SYSTEM BODY COMPUTER, POWER WINDOW, DOOR LOCKS, POWER WINDOW, ANTI-THEFT SYSTEMS BODY COMPUTER, WIPER/WASHER SYSTEMS BRAIDED BRAIDED BRAIDED BRAIDED 12 13 14 15 16 17 BRAKE IND BU+ HEAD CG SG CHARGE IND CIGARETTE LIGHTER CODE RXCK TXCT AGND GND COMBINATION METER COMBINATION METER MPX+ COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM HEADLIGHTS SYSTEM COOLING FAN SYSTEM COOLING FAN SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE IND CTY PWE CTYB CYL DASH, ABOVE STEERING COLUMN) DBKL BKLR DBIL DEFOGGER SYSTEM DGS TSPA TR TPDR DMR- DMR+ DN AUTO UP AUTO DN MAN UP MAN DOOR IND DOOR LOCKS SYSTEM DRIVER SIDE J/B EC (LEFT SIDE OF CYLINDER EC MIRROR ECT PWR IND ECT PWR. ECT SNOW EFIO EFII ENG+ LBL LBL TRC- SOL+ ENG- NEO TRC+ SOL- ESS BAT TRIG ETA VC ETC SNOW IND FFOG-RLY FR- FR+ FL- FL+ FRONT CONTROLLER FRONT FOG IND FRONT PASSENGER SEAT BELT WARNING LIGHT FRONT WIPER/ WASHER CIRCUIT FSPT SNOW PWR FUEL IND FUEL INJ 1 FUEL INJ 3 FUEL INJ 8 FUEL INJ 6 FUEL INJ 4 FUEL INJ 2 FUEL INJ 7 FUEL INJ 5 FUEL TSW GLOVE BOX LIGHT GND ECUB GND MPX- MPX+ HAZ STPA STP MPX-B HAZD SG-1 TSDR TE SG-2 HDLO HRLY HDLV HR WNG HEADLAMP WASHER CIRCUIT HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM AIR CONDITIONING SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS, BODY COMPUTER SYSTEMS HIGH BEAM IND HIGH MOUNTED STOP LIGHT HORNS SYSTEM HORNS SYSTEM HEADLIGHTS SYSTEM WIPER/WASHER SYSTEM HOT AT ALL TIMES HOT IN HOT IN ACC OR ON HOT IN ON OR ACC HOT IN ON OR START HOT IN RUN OR START HOT WITH HP PRE SIL HTR ETHA THA I/P JUNCTION BLOCK IG RDA RSSI IG+ IG+ IGNITION KEY CYLINDER LIGHT ILE FSPT ILL ILL IND BZR INNER MIRROR INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (BEHIND UPPER CENTER J/C 8 J/C 15 J/C 19 J/C 22 JC-17 JC-18 JC-20 JC-21 LCM+ LCTY LCM+ LEFT BACK-UP LIGHT RIGHT BACK-UP LIGHT LEFT DOOR COURTESY LIGHT LEFT FOOT LIGHT LEFT FRONT FOG LIGHT LEFT FRONT PARKING LIGHT LEFT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT FRONT WOOFER LEFT LUGGAGE COMPARTMENT LIGHT LEFT QUARTER PANEL) LEFT REAR COMBI- NATION LIGHT LEFT REAR COMBINATION LIGHT LEFT REAR SIDE MARKER LIGHT LEFT REMOTE CONTROL MIRROR LEFT SCUFF PLATE LIGHT LEFT SIDE AIR BAG SQUIB LEFT STOP LEFT TURN LEFT TURN IND LEFT VANITY LIGHT LFR- RLM- LICENSE PLATE LIGHT LLR LCR ES LMT PLS LOR LPRB LLRE LCRE RPR LPRE RORE ROR M- M+ M- M+ ETA VC MAP DOOR MAP MEMORY SYSTEMS MEMORY, SEATS SYSTEMS MIL IND ML WLSW MPOS 1 MPOS 2 MPOS 6 MPX RCO GND MPX+ GND MPX+ MPX- MPX- MPX+ REAR CORNER OF LUGGAGE COMPT) MPX-B MPX-IG MPX-IG HAZ IG 2 3 4 5 6 7 8 9 10 MPX-IG MPX-B HIC MREL IGSW SIL MSW M+ ILL- ILL+ MT- SR MTT MT+ MTX+ TDX+ MULTI-DISPLAY MUP MDN CTY PWE MUTE R+ L+ SGND N-MU NAVI +B SP- AUI- GND NAV- NAV+ NAVO NAVIGATION SYSTEM NAVIGATION SYSTEM WARNING SYSTEM NCO+ NCO- NE- NE+ NEO TBP NOT USED OCR- OCR+ OCV- OCV+ MOPS ODOMETER/ TRIPMETER OF DASH) OFF ACCY OIL LEVEL IND OIL PRESSURE IND ON ACCY OPEN CLS SWE BLW OPEN DOOR IND P-GND PASSENGER SIDE J/B PASSIVE RESTRAINT SYSTEM PERSONAL LIGHT PERSONAL LIGHT, GARAGE DOOR OPENER, TELEPHONE MICROPHONE PKB VG PL- PL+ POWER OUTLET POWER TOPS SYSTEM PR- PR+ PRG 7 5 3 1 PWE PWS DLE PWR SNOW R - L - R+ L+ SPD TFR- TFL- R- L- GND R/E RET CNCL MSW M+ TR+ CLTS CLTE RV HDCL RADIO, PLAYER RBE+ RCL LPLB RCRE RPL RHL LLL LPLE RLLE SWE TCSE PTPE RCLE RPLE RHLE LLLE LCTE LCT RCLF RCLR RDA RSSI RCO REAR WINDOW DEFOGGER REAR WOOFER RES/ ECC RHG RH+ RHT RH- RHE IG RIGHT DOOR COURTESY LIGHT RIGHT FOOT LIGHT RIGHT FRONT FOG LIGHT RIGHT FRONT PARKING LIGHT RIGHT FRONT TURN SIGNAL LIGHT RIGHT FRONT WOOFER RIGHT LUGGAGE COMPARTMENT LIGHT RIGHT QUARTER PANEL RIGHT REAR COMBI- NATION LIGHT RIGHT REAR COMBINATION LIGHT RIGHT REAR SIDE MARKER LIGHT RIGHT REMOTE CONTROL MIRROR RIGHT SCUFF PLATE LIGHT RIGHT SIDE AIR BAG SQUIB RIGHT STOP RIGHT TURN RIGHT TURN IND RIGHT VANITY LIGHT ROOM 2 R/B) RVL SWL SBF WNG LHG LH+ LHT LH- LHE SEAT BELT IND SEATS SYSTEM SET/ COAST SFL- SFL+ DML+ DML- SFLH PMC SFLR SRRH SRRR VCM PH SFR+ SFR- SFRH SRLH AST SFRR PL SG WFSE SG-3 SGF SHFL SHRL SGND SSRS SLDF SLDR LUP LDWN FUP SHORT PIN 1 SHORT PIN 2 SHORT PIN 3 SIG BDR CPUB GND SIG SGND RPRB RPRE LPR RHRE SL- SLIP IND SLN- SLN- SLU+ SLT- SLT- OT SLU+ SLU- SLU+ SLN- SLN+ EOIL OIL SLT- SLT+ SOLID STATE SOUND SYSTEM SOUND SYSTEM, NAVIGATION, SEATS, SHIFT INTERLOCK, MIRRORS SYSTEMS SR- SRS IND SSFV SSRV SSRR PVCC FDWN SSFV SSRV SSRR PVCC FDWN IG SYSB SSL- SSR+ VUPR SSR- SSR- RBE+ ESR SSR+ VUPR STA MREL FC FPR ACMG IGSW TAM ETAM STARTING/ CHARGING SYSTEM STPO STPI STR+ SUPPLEMENTAL RESTRAINT SYSTEM MEMORY SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS, BODY COMPUTER SYSTEMS SWE CLS SWR THR SYNC TX- TACH TC WFSE EPA VPA VCPA EPTK TAIL- LIGHT TAIL-RLY TC SPD VR TC STP TC TS WFSE BAT TELEPHONE COMPUTER TEMP LEVEL THW ETHW THW ETHW EVG VG TIM- TIM+ TEM- TEM+ TIRE PRESSURE IND TIRE PRESSURE MONITOR RECEIVER TPPA MPX- TR+ RV TRANS- PONDER KEY COMPUTER TRC+ TRC- ENG- CCS TRIG +BO STP TRUNK, TAILGATE, FUEL DOORS SYSTEM TURN LH GND TURN RH TURN SIGNAL TURN SIGNAL TAIL LIGHT TX+ VG TXS- VPA EPA VCPA VSC IND VSC OFF IND VSC OFF IND SLIP IND VUPL SSL+ ESL VVL+ VVL- EVVL ENE ETA VC W/ CELLULAR PHONE W/ LINK SYSTEM W/ MIRROR RETRACTOR W/ NAVIGATION W/ NAVIGATION SYSTEM W/O CELLULAR PHONE W/O NAVIGATION W/O NAVIGATION SYSTEM WARNING SYSTEM WARNING SYSTEM PASSIVE RESTRAINT SYSTEM WARNING SYSTEM WASHER IND WATER TEMPERATURE WFSE EPTK VPTK TRC- ENG- CCS WFSE IMO IMI PTNK EPTK VPTK WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM WIPER/WASHER SYSTEM SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM YAW - YSS YD