Diagram sections — 15 (23 total)
AIR CONDITIONING COOLING FAN DEFOGGERS HORN MEMORY SYSTEMS POWER ANTENNA POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO STARTING/CHARGING TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WIPER/WASHER
AIR CONDITIONING A/C Wiring Diagram (1 of 2) for Lexus SC 300 1993 List of elements for A/C Wiring Diagram (1 of 2) for Lexus SC 300 1993: 54 1994 only 1994 vftc c A/c A/c control assembly (center of i/p) A/c dual pressure switch (right side of engine compt) A/c in A/c solar sensor (right side of i/p) Acc Air inlet control servo motor (center of i/p) Air mix control servo motor (center of i/p) Air vent mode control servo motor (center of i/p) Blr Check connector Conn "a" Conn "b" Conn "c" Cool Data link connector Defogger system Din Dout Engine control module (center of i/p) G101 (right front fender) G203 (left kick panel) Ig+ Ign Igniter (left side of engine compt) Instrument cluster system (trip meter) Interior lights system (rheostat) J/b 3 (behind center of i/p) Lcki Mdef Mface Mfrs Mgc Mrec Pnk Psw Rdfgr Red Reost Saut Set1 Set2 Set3 Set4 Set5 Spd Tail Tam Telephone tranceiver & speaker relay (left rear of trunk) Telin Tpi Tpm A/C Wiring Diagram (2 of 2) for Lexus SC 300 1993 List of elements for A/C Wiring Diagram (2 of 2) for Lexus SC 300 1993: 42 (sc400) 1994 vftc c A/c ambient temperature sensor (right front of engine compt) A/c control switch & radio switch A/c evaporator temperature sensor (center of i/p) A/c lock sensor (left front of engine) A/c magnetic clutch (left side of engine) A/c magnetic clutch relay A/c power transistor (center of i/p) A/c room temperature sensor (center of i/p) A/c single pressure switch (right side of engine compt) Acmg Blower motor (center of i/p) Blower resistor (center of i/p) Cig fuse 15a Cooling fan ecu (center of i/p) Dome fuse 10a Ecu-ig fuse 15a Engine control module (center of i/p) Engine controls system Engine coolant temperature sensor (center of i/p) Engine coolant temperature sensor (left front of engine compt) G100 (front left fender) G101 (right front fender) G203 (right kick panel) Heater fuse 10a Heater fusible link 60a Heater relay Hot at all times Hot at all times r/b 2 (left side of engine compt) Hot in accy, run or start Hot in run or start Hot w/ lights in tail or head J/b 1 (left kick panel) J/b 3 (behind center of i/p) Noise filter (center of i/p) Panel fuse 7.5a R/b 2 (left side of engine compt) Radio temp control switch Red Solenoid valve (left front of engine) (sc400) Vsv (right rear of engine compt)
COOLING FAN Cooling Fan Wiring Diagram for Lexus SC 300 1993 List of elements for Cooling Fan Wiring Diagram for Lexus SC 300 1993: 14 1994 vftc c A/c control assembly (center of dash) A/c single pressure switch (right side of engine compt) Cooling fan ecu (center of dash) Ecu-ig fuse 15a Engine coolant temperature sensor (left front of engine compt) G101 (right front fender) G203 (right kick panel) Hot in run or start Igniter (left side of engine compt) J/b 1 (left kick panel) Red Solenoid valve (left front of engine) Throttle position sensor (center of engine)
DEFOGGERS Defogger Wiring Diagram for Lexus SC 300 1993 List of elements for Defogger Wiring Diagram for Lexus SC 300 1993: 30 50a A10 A7 b4 A8 b5 Choke coil (left rear of trunk) D10 Defog fuse Defogger relay E18 G100 (front side of left fender) G200 (left kick panel) G203 (right kick panel) G302 (below right "b" pillar) Gnd Heater Hot at all times Htr fuse 10a J/b 1 (left kick panel) J/b 1 (left side of dash) J/b 3 (behind combination meter) Left remote control mirror Mir-htr fuse 10a Noise filter (left side of engine compt) R/b 2 (left side of engine compartment) R/b 2 (left side of engine compt) Rdefr Rear window defogger Rear window defogger switch (a/c control assembly) Right remote control mirror W/ mem seat w/0 mem seat
HORN Horn Wiring Diagram for Lexus SC 300 1993 List of elements for Horn Wiring Diagram for Lexus SC 300 1993: 8 Haz-horn fuse 25a Horn relay Horn switch (combination switch) Hot at all times Left horn R/b 2 (left side of engine compartment) R/b 4 (behind left kick panel) Right horn
MEMORY SYSTEMS Memory Mirrors Wiring Diagram for Lexus SC 300 1993 List of elements for Memory Mirrors Wiring Diagram for Lexus SC 300 1993: 49 A10 A11 A12 A13 A14 A15 A16 Acc Defogger system Down Driver's power seat ecu (under driver's seat) Driver's power seat ecu shield E10 Ecu-b fuse 15a G206 (left instrument panel brace) G302 (under left ashtray) Gnd Hot at all times Hot in acc or on Hsrl Hsrr J/b 1 (left kick panel) Left Left remote control mirror Left/ right motor M+l M+r Mhl Mhr Mvl Mvr Nca Operation switch Rad 2 fuse 7.5a Remote control mirror ecu (center of dash) Remote control mirror switch Right Right remote control mirror Select switch Swb Swe Swlh Swlv Swrh Swrv Tilt & power telescopic ecu (left side of dash) Up/ down motor Vsrl Vsrr Memory Power Tilt & Power Telescopic Wiring Diagram for Lexus SC 300 1993 List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram for Lexus SC 300 1993: 75 (left kick panel) (left side of dash) 10a A/t A10 A11 A12 Asw Auto sw B10 B11 B12 B13 B14 B15 B16 B17 B18 D10 Dome fuse Door detection position switch Driver's power seat ecu (under driver's seat) Driver's power seat ecu shield Driving position memory and return switch (left side of dash) Dsw Ecu-ig fuse 15a Ecu. b Ecue G200 G302 (under left ashtray) Gauge fuse 10a Gnd H10 H12 H13 H15 Hot at all times Hot in start or on I16 J/b 1 (left kick panel) K13 Left door lock/ unlock motor & M/t Manual sw Mry Msw N0. 1 N0. 2 Nca Park/neutral position switch (on transmission) Parking brake switch (bottom of parking brake handle) Pnk Power fuse 30a R/b 2 (left side of eng compt) Red Remote control mirror ecu (center of dash) Set Telesco long Telesco short Telescopic control motor Telescopic position sensor Tem+ Tem- Tes Tilt & power telescopic ecu (left side of dash) Tilt and power telescopic unit (combination switch) Tilt control motor Tilt down Tilt position sensor Tilt up Tim+ Tim- Tis U.w. sw Unlock warning switch (ignition switch) Memory Seat Wiring Diagram (1 of 2) for Lexus SC 300 1993 List of elements for Memory Seat Wiring Diagram (1 of 2) for Lexus SC 300 1993: 81 (below left "b" pillar) g308 +b2 A10 A11 A12 A13 A14 A15 A16 B10 B11 B12 B13 B14 B15 B16 B17 B18 C10 Door circuit breaker 30a Door open detection Down Driver's front vertical motor Driver's power seat control switch Driver's rear vertical motor Driver's slide control motor Driving position memory/ return switch Dsw Ecu-ig fuse 15a Ecue Fdwn Front Front vertical Frv- Fup Fvr+ Gnd Gnd2 Hot at all times Hot in run I10 J/b 1 (left side of dash) Lumbar support motor (under left seat) Lumbar support support Mry Nca Noise filter (behind left side of dash) Park/neutral position switch Pnk Power seat ecu (under driver's seat) Pvcc Rcl+ Rcl- Rclf Rclr Rdwn Rear Reclining Red Rrv+ Rrv- Rup Set Sgnd Shield Sld+ Sld- Sldf Sldr Slide Ssfv Ssrr Ssrs Ssrv Stop Stop fuse 15a Stop light switch (on brake support) Switch Sysb Tilt/power telescopic ecu (behind left side of dash) Vertical rear Memory Seat Wiring Diagram (2 of 2) for Lexus SC 300 1993 List of elements for Memory Seat Wiring Diagram (2 of 2) for Lexus SC 300 1993: 40 Dome fuse 10a Driver's power seat reclining motor control (under driver's seat) Front Front vertical position sensor (under driver's seat) G302 (under left ashtray) G305 (below right "b" pillar) Gnd H10 Hot at all times J/b 1 (left side of dash) Motor (under Passenger's power seat control switch Passenger's reclining limit switch (under seat) Passenger's seat ecu (under passenger's seat) Passenger's seat slide limit switch (under seat) Passenger's seat slide motor Passenger's seat slide position sensor (under seat) Passenger's seatbelt buckle switch (in buckle) Passenger's tension reducer solenoid (in right "b" pillar) Pbcl Pfsw Prdc Pvcc R/b 2 (left side of engine comp) Rear Rear vertical position sensor (under driver's seat) Reclining Red Right seat) Rrsw Sgnd Sld+ Sld- Sldf Sldr Slide Slide position sensor (under driver's seat) Slsw Ssrs Sysb
POWER ANTENNA Power Antenna Wiring Diagram for Lexus SC 300 1993 List of elements for Power Antenna Wiring Diagram for Lexus SC 300 1993: 34 20a 7.5a Acc Amp+b Ant+b Anta Antb Auto antenna control relay Auto antenna motor Auto antenna motor & relay (left side of trunk) B10 D10 Down E10 Ecu-ig fuse 15a G407 (center rear of trunk) Gnd Hot at all times Hot in acc or on Hot in start or on J/b 1 (left kick panel) R/b 2 (left side of engine compt) Radio 1 fuse Radio 2 fuse Radio and player Red Sensor Sgnd Sig Svcc W/ cd W/ cd player W/o cd W/o cd player
POWER DOOR LOCKS Door Locks & Theft Deterrent Wiring Diagram (1 of 2) for Lexus SC 300 1993 List of elements for Door Locks & Theft Deterrent Wiring Diagram (1 of 2) for Lexus SC 300 1993: 63 +b2 Acc Act+ Act- Cig fuse 15a Diode (left kick panel, r/b 4) Dome fuse 10a Door circuit breaker 30a Dswd Dswl Dswp E11 Ecu-ig fuse 15a Engine hood courtesy switch (center front of engine compartment) G101 (right front fender) G200 (left kick panel) G305 (below right "b" pillar) H10 Head Headlight relay Hood Horn Horn relay Hot at all times Hot in run Hot in run or accy I14 I16 Ind Integration relay J/b 1 (left side of dash) J/b 2 (left side of engine compt) J/b 3 (behind combination meter) K13 Ksw Left front door key lock/unlock switch Lock Lswd Lswd1 Lswd2 Lswp Lug Luggage compartment light Luggage compartment light switch (center rear of trunk) Master power window/door lock control switch Power circuit breaker 30a Power main relay Red Right front door key lock/unlock switch Right front door lock control switch Rly Srly Starter relay Tail Taillight relay Theft deterrent and door lock ecu (left side of dash) Trk Ul1 Ul2 Ul3 Unlock Wireless door lock ecu (right rear of trunk) Wireless door lock main switch Door Locks & Theft Deterrent Wiring Diagram (2 of 2) for Lexus SC 300 1993 List of elements for Door Locks & Theft Deterrent Wiring Diagram (2 of 2) for Lexus SC 300 1993: 26 (behind left side of dash) C10 C15 Combination meter D10 Diode G200 (left kick panel) G203 (right kick panel) G302 (under left ashtray) G407 (center rear of trunk) H13 Haz-horn fuse 25a Horn relay Hot at all times J/b 1 J/b 2 (left side of engine comp) Left lock/ unlock motor and door detection position switch Luggage comparment door opener motor (center rear of trunk) Luggage compartment door open switch Luggage compartment key unlock switch (right rear of trunk) R/b 4 (left kick panel, on j/b 1) Red Right lock/ unlock motor and door detection position switch Theft deterrent horn (left rear of eng compt) Trip switch and theft deterrent indicator switch Unlock warning switch (ignition switch)
POWER MIRRORS Photochromic Mirror Wiring Diagram for Lexus SC 300 1993 List of elements for Photochromic Mirror Wiring Diagram for Lexus SC 300 1993: 11 Day/night shift switch (rear view mirror) Dome fuse 10a G200 (left kick panel) H13 Hot at all times I15 Interior lights system J/b 1 (left kick panel) R/b 2 (left side of engine compartment) Red Unlock warning switch (ignition switch) Power Mirror Wiring Diagram for Lexus SC 300 1993 List of elements for Power Mirror Wiring Diagram for Lexus SC 300 1993: 20 (left kick panel) D10 Defogger system Down G200 Hot in acc or on J/b 1 (left kick panel) Left Left remote mirror Left/ right Left/ up Operation Radio 2 fuse 7.5a Remote control mirror switch Right Right remote mirror Right/ down Select switch Switch Up/ down
POWER SEATS Power Seat Wiring Diagrams for Lexus SC 300 1993 List of elements for Power Seat Wiring Diagrams for Lexus SC 300 1993: 32 A/t Door fuse 30a Down Driver's front vertical motor Driver's lumbar support motor Driver's power seat control switch Driver's rear vertical motor Driver's reclining motor Driver's seat heater Driver's slide motor Front Front vertical G202 (left side of dash) G300 (under left front seat) G301 (under right front seat) Hot at all times Hot in run or start J/b 1 (left kick panel) J/b 3 (center of dash) Left Lumbar support M/t Passenger's seat heater Passengers's seat heater Rear Rear vertical Reclining Relay bock 4 (left kick panel) Right Seat heater switch Seat htr fuse 15a Slide
POWER WINDOWS Power Window Wiring Diagram for Lexus SC 300 1993 List of elements for Power Window Wiring Diagram for Lexus SC 300 1993: 35 (left kick panel) A12 A13 A16 A20 Auto Auto down module D10 Dome fuse 10a Door fusible link 30a Down Ecu-ig fuse 15a G200 (left kick panel) G203 (right kick panel) H10 Hot at all times Hot in on or start I16 J/b 1 J/b 1 (left kick panel) K13 Left door open detection switch Left front Left power window motor Lock switch Power fusible link 30a Power main relay Power window master switch R/b 2 (left side of engine compartment) Red Right door open detection switch Right front Right power window control switch Right power window motor Theft deterrent ecu (above left kick panel)
RADIO Base Model for Lexus SC 300 1993 List of elements for Base Model for Lexus SC 300 1993: 52 A/c control & radio switch A10 A12 Acc Acc or on All times Amp Ant Ant a Ant b Auto antenna B12 C10 E10 Fl+ Fl- Fr+ Fr- G302 (right side of center console) Hot at Hot in J/b 1 (left kick panel) Left front door speaker Left rear door speaker Motor & relay Mute Nca Pnk Pwr R/b 2 (left engine compartment) Rad 2 fuse 7.5a Radio 1 fuse 20a Radio switch Radio/ player Red Right front door speaker Right rear door speaker Rl+ Rl- Rr+ Ru+ Ru- Sgnd Telephone transceiver & speaker relay Telephone transceiver & speaker relay (right side of trunk) Tlmt Vdlc Vol+ Wf+ Wf- Woofer speaker (right side of rear shelf) Woofer speaker amplifier (right rear of trunk) with CD Changer for Lexus SC 300 1993 List of elements for with CD Changer for Lexus SC 300 1993: 71 A/c control & radio switch A10 A11 A12 A13 A14 A15 Acc Acc or on All times Amp Ant Ant a Ant b Auto antenna motor & relay B10 B12 Beep Cd changer (right side of trunk) Cdl+ Cdl- Cdr+ Cdr- D10 D11 D12 E10 Fl+ Fl- Fr+ Fr- G302 (right side of center console) Gnd Hot at Hot in J/b 1 (left kick panel Left front door speaker Left rear door speaker Luggage compt light switch Mute Nca Pnk Pwr R/b 2 (left engine compartment) Rad 2 fuse 7.5a Radio 1 fuse 20a Radio switch Radio/ player Red Right front door speaker Right rear door speaker Rl+ Rl- Rr+ Rr- Ru+ Ru- Sgnd Stereo component amplifier (right rear of trunk) Telephone transceiver & speaker relay (right side of trunk) Tlmt Txm+ Txm- Txs+ Txs- Vol + Vol c Wf+ Wf- Woofer speaker (right side of rear shelf) Woofer speaker amplifier (right rear of trunk)
STARTING/CHARGING Charging Wiring Diagram for Lexus SC 300 1993 List of elements for Charging Wiring Diagram for Lexus SC 300 1993: 19 (sc 300) (sc 400) 1h 1a Alt fusible link 120a 150a Alt sencing fuse 7.5a Alternator Battery Charging warning indicator Engine fuse 7.5a Fuse block (left side of engine compt) Hot in run Hot in run or start Ign fuse 7.5a Instrument cluster J/b 1 (left side of dash) J/c 1 junction connector (behind left side of dash) Main fusible link 60a Nca Relay box 2 (left side of engine compt) Starter motor Starting Wiring Diagram for Lexus SC 300 1993 List of elements for Starting Wiring Diagram for Lexus SC 300 1993: 29 (on transaxle) (sc 400) (sc 400) (sc 300) Acc Alt fusible link 150a 120a Am1 Am1 fusible link 100a Battery Clutch start switch (sc 300 m/t) (on clutch pedal support) Engine controls system Fuse block (left side of engine compt) Ignition main relay Ignition switch Igsw fuse 40a Instrument cluster (sc 400) J/b 1 (left kick panel) Lock Main fusible link 60a Nca Park/ neutral position switch Relay box 2 (left side of engine compt) Run Srly St fuse 7.5a St1 Start Starter motor (rear of engine) Starter relay Theft deterrent and door lock control ecu (behind right side of dash)
TRANSMISSION Transmission Wiring Diagram for Lexus SC 300 1993 List of elements for Transmission Wiring Diagram for Lexus SC 300 1993: 97 (below left side of i/p) (lock-up) no.3 (not used) (on throttle body) +b1 A/t indicator switch (park/neutral position switch, neutral start switch & backup light switch (on top left side of transmission) Batt C 1995 vftc Conn a Conn b Cruise control ecu (left side of i/p, left of steering column) D13 Data link connector 1 (check connector) (left side of engine) Data link connector 2 (tdcl) (behind left side of i/p) Distributor (right front of engine) E11 E12 E18 Ect Efi fuse 30a Efi main relay Electronic controlled transmission pattern select switch Electronic controlled transmission solenoid (on trans- mission) Engine control module (engine & electronic controlled transmission ecu) (under front end of center console) Engine coolant temp. sensor (left front of engine) Eo1 Eo2 G100 (front side of left fender) G117 (rear side of right cylinder head) G200 (left kick panel) Gauge fuse 10a H12 Heater relay (in r/b 2) (left side of eng compt.) Hot at all times Hot in on or start Hot in start I10 Idl Idl1 Idl2 Ign fuse 7.5a Igsw Instru- ment cluster system (a/t indicator light) (combi- nation meter) Instru- ment cluster system (a/t indicator light) (shift lever) Interior lights system J/b 1 (left kick panel) J/b 3 (behind center of i/p) Kick down switch Models only Mrel No. 1 No. 2 Noise filter (for stop light) (behind left side of i/p) Norm. Nsw O/d main switch Od1 Od2 Pin 10 "l" Pin 5 "p" Pin 6 "r" Pin 7 "n" Pin 8 "d" Pin 9 "2" Pin a1 Pin a14 Pin b4 Pin c1 Pin c16 Pin c18 Pin c2 Pin c3 Pin c4 Pin c5 Pnk Pwr R n R/b 2 (left side of engine compt.) Red Short connector (behind left side of i/p) Sp1 Sp2 Sp2- St fuse 7.5a Starting/ charging system Stop fuse 15a Stop light switch (on bracket, above brake pedal) Sub-throttle position sensor (w/traction control) Te1 Te2 Throttle position sensor Thw Vehicle speed sensor no.2 (for e.c.t.) (on trans. output shaft) Vta Vta1 Vta2 W/ trac. ctrl.
TRUNK, TAILGATE, FUEL DOOR Trunk & Fuel Door Release Wiring Diagram for Lexus SC 300 1993 List of elements for Trunk & Fuel Door Release Wiring Diagram for Lexus SC 300 1993: 22 +b2 Acc Cig fuse 15a Door fuse 30a E18 Ecu-ig fuse 10a Fuel lid opener switch Fuel lid opener motor (right side of luggage compartment) G200 (left kick panel) G305 (below right "b" pillar) Head Hot at all times Hot in acc or run Hot in run or start I14 J/b 1 (left kick panel) J/b 3 (center of dash) K13 Luggage compartment door open switch Luggage compartment door opener motor (center rear of luggage compartment) Theft deterrent & door lock ecu (behind instrument cluster) Tsw
WIPER/WASHER Wiper/Washer Wiring Diagram for Lexus SC 300 1993 List of elements for Wiper/Washer Wiring Diagram for Lexus SC 300 1993: 27 10a 20a A13 A14 B17 Combination meter D13 E12 G100 (front side of left fender) G200 (left kick panel) Gauge fuse H16 High Hot in start or on Int Int. time J/b 1 (left kick panel) J/b 3 (behind combination meter) Low/ mist Off Washer level ind. Washer level switch (in washer fluid reservoir) Washer motor (left front of eng compt) Washer switch Wiper and washer switch Wiper fuse Wiper motor (left rear of eng compt)
