Разделы схем — 32 (всего 57)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS PASSIVE RESTRAINTS POWER ANTENNA POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Air Conditioning Wiring Diagrams (1 of 2) for Lexus SC 400 1996 List of elements for Air Conditioning Wiring Diagrams (1 of 2) for Lexus SC 400 1996: 59 (left side of engine) (left side of i/p) 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) Amout Blr Conn "a" Conn "b" Conn "c" Cool Data link connector 1 Data link connector 2 Defogger system Din Dout Engine control module (center of i/p) G101 (right front fender) G200 (left kick panel) G203 (right kick panel) Ig+ Ign Igniter (left side of engine compt) Instrument cluster system 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 Ver Air Conditioning Wiring Diagrams (2 of 2) for Lexus SC 400 1996 List of elements for Air Conditioning Wiring Diagrams (2 of 2) for Lexus SC 400 1996: 41 (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 room temperature sensor (center of i/p) A/c single pressure switch (right side of engine compt) Acmg Blower motor Blower motor control relay (center of i/p) Cig fuse 15a Cooling fan ecu (center of i/p) Def relay 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) 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)
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams, with Traction Control (1 of 2) for Lexus SC 400 1996 List of elements for Anti-lock Brake Wiring Diagrams, with Traction Control (1 of 2) for Lexus SC 400 1996: 84 (r/b 2) (left side of engine compartment) A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 Abs 1 fusible link 60a Abs and traction ecu (behind glove box) Abs motor relay (r/b 6) Abs sol relay (r/b 6) Ast B10 B11 B12 Bat Charging system D/g Data link connector 1 (top left side of engine) Data link connector 2 (right front side of engine compt) Dome fuse 10a E1(sc400)/e7(sc300) (engine rm harn, right front of eng compt) (sc400) (engine rm harn, right shock tower) (sc300) E20 E8 (eng compt, left front of eng compt) E9 (eng room harness, left shock tower) E9 (engine rm harness, left shock tower) Ecu-ig fuse 15a Fl+ Fl- Fr+ Fr- Fuse box (r/b 2) G100 (front of left front fender) G203 (right kick panel) Gnd1 Gnd2 Gnd3 H12 H13 Hot at all times Hot in run I20 (i/p harn, right kick panel) I21 (i/p harn, right kick panel) I23 (i/p harn, lower right kick panel) I24 I24 (i/p harn, right kick panel) I26(sc400)/i25(sc300) (i/p harness, right side of i/p) I5 (i/p harn, left top of i/p) J/b 1 (left kick panel) J/b 3 (behind i/p) Lbl1 Left front abs speed sensor (behind left front wheel disk) Left rear abs speed sensor (behind left rear wheel disk) Mtt Pkb Pnk Red Reg Right front abs speed sensor (behind right front wheel disk) Right rear abs speed sensor (behind right rear wheel disk) Sac Sfl Sfr Smc Src Srl Srr Stop fuse 15a Stop light switch (mounted on brake pedal support) Stp Tmr Traction brake actuator (left side of engine compartment) Tsr Anti-lock Brake Wiring Diagrams, without Traction Control for Lexus SC 400 1996 List of elements for Anti-lock Brake Wiring Diagrams, without Traction Control for Lexus SC 400 1996: 65 (1995) (1996) A23 A24 Abs 1 fusible link 60a Abs actuator (right front of eng compt) Abs actuator relay (r/b 6) Abs ecu (left side of i/p) Abs indicator Abs motor relay (r/b 6) Ast B15 Bat Combination meter D/g Data link connector 1 (top center of engine) Data link connector 2 (behind left side of i/p) Dome fuse 10a E11 (eng rm harn, left front strut tower) E9 (eng room harness, left rear of engine compt) E9 (engine rm harness, left side of engine compt) Ecu-ig fuse 15a Fl+ Fl- Fr+ Fr- Fss Fuse box (in r/b 2) G100 (front side of left fender) G101 (front side of right fender) G203 (right kick panel) Gauge fuse 10a Gnd1 Gnd2 H12 H13 Hot at all times Hot in run I23 (i/p harness, right kick panel) I24 (i/p harness, right kick panel) I28 (i/p harness, right kick panel) I31 J/b 1 (left kick panel) J/b 3 (behind i/p) Left front abs speed sensor (behind left front wheel disk) Left rear abs speed sensor (behind left rear wheel disk) Nca Parking brake switch (on parking brake support) Pkb Pnk R/b 2 (left side of engine compartment) Red Ree Right front abs speed sensor (behind right front wheel disk) Right rear abs speed sensor (behind right rear wheel disk) Rl+ Rl- Rr+ Rr- Sfl Sfr Srr Stop fuse 15a Stop light switch (mounted on brake pedal support) Stp
ANTI-THEFT Anti-theft Wiring Diagram (1 of 2) for Lexus SC 400 1996 List of elements for Anti-theft Wiring Diagram (1 of 2) for Lexus SC 400 1996: 91 (body harness, right side of pass. compt) (front of left front fender) (i/p harness) i35 (i/p harness, (left side of i/p) i9 (i/p harness, center of i/p) i13 (i/p harness, left kick panel) i2 (i/p harness, left side of i/p) i8 +b2 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 Acc Act+ Act- B10 B11 B12 B13 B14 B28 Bzr Cig fuse 15a Cty Diode (in r/b 4) Dome fuse 10a Door fuse 30a Dswl Dswp Ecu-ig fuse 15a Engine hood courtesy switch (center front of engine compartment) G100 G101 (right front fender) G200 (left kick panel) G305 (below right "b" pillar) Gauge fuse 10a Grd H10 H15 Head Headlight relay Hood Horn Horn relay Hot at all times Hot in run Hot in run or accy Hot in run or start I13 (i/p harness, center of i/p) I14 I16 Ind Integration relay J/b 1 (left side of i/p) J/b 2 (left side of engine compt) J/b 3 (behind cluster) K13 Ksw Left front door key lock/unlock switch Lock Lswd Lswp Lug 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 i/p) Trk Ul1 Ul2 Ul3 Ulsw Unlock Wireless door lock buzzer (left side of eng compt) Wireless door lock ecu (right rear of trunk) Anti-theft Wiring Diagram (2 of 2) for Lexus SC 400 1996 List of elements for Anti-theft Wiring Diagram (2 of 2) for Lexus SC 400 1996: 27 (behind left side of i/p) B28 C10 C15 D10 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 I13 (i/p harness, center of i/p) I8 (i/p harness, left side of i/p) Instrument cluster 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) 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)
COMPUTER DATA LINES Computer Data Lines for Lexus SC 400 1996 List of elements for Computer Data Lines for Lexus SC 400 1996: 64 (i/p harness, right side of i/p) i21 (i/p harness, right side of i/p) i26 (left kick panel) (rear of left cyl head) (rear side of left cylinder head) (rear side of right cyl head) A/c A/c control assembly A/d A10 A11 A16 A20 A23 Abs Abs and traction ecu (behind glove box) Abs ecu (behind glove box) Abs solenoid relay (r/b 6) Abs w/ traction control Abs w/o traction control B10 B11 B15 B17 B20 B21 Bat Center airbag sensor assembly (behind center console) Cooling fan ecu (behind center of i/p) Cruise control ecu (behind left side of i/p) D/g D11 Data link connector 1 (top center of engine) Data link connector 2 (behind left side of i/p) Data link connector 3 (behind left side of i/p) Din Dout E10 E18 E8 (engine harness, left front of engine compt) Efi fuse 30a Efi main relay Engine control module (behind console) Engine coolant temperature sensor (for cooling fan) (front of radiator) G114 G117 G200 H13 Hot at all times I20 (i/p harness, right side of i/p) Ind Instrument cluster J/b 1 (left kick panel) J/b 3 (behind center of i/p) Obd ii fuse 7.5a Op1 Pnk/ R/b 2 (left side of eng compt) Sdl Te1 Th+ Tr5 Traction control ecu (behind glove box) Trc
COOLING FAN Cooling Fan Wiring Diagram for Lexus SC 400 1996 List of elements for Cooling Fan Wiring Diagram for Lexus SC 400 1996: 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)
CRUISE CONTROL Cruise Control Wiring Diagram for Lexus SC 400 1996 List of elements for Cruise Control Wiring Diagram for Lexus SC 400 1996: 86 (1995) i26 (1996) i9 (i/p harness, right side of i/p) (1995) i8 (1996) i5 (i/p harness, left side of i/p) (1995) i9 (1996) i7 (1996) i28 (1995) i32 (i/p harness, right side of i/p) (1996) i32 (1995 sc 400) i27 (1995 sc 300) i32 (i/p harness, right side of i/p) (i/p harness, left side of i/p) (left instrument panel brace) g206 A/d A/t A11 A12 A20 B64 Batt C10 C13 C14 C15 Cancel Ccs Clutch start switch (left side of i/p) Cms Cruise control actuator (front of right strut tower) Cruise control clutch switch (left side of i/p) Cruise control ecu (below combi- nation meter) Cruise control indicator Cruise control switch (combination switch) D13 Data link connector 1 (top left side of eng) Data link connector 2 (left side of i/p) Dome fuse 10a E12 Ect Ecu-ig fuse 15a Electronic control transmission solenoid Engine control module (right side of i/p) Exterior lights system (stop light) G101 (front side of right fender) G302 (under left ashtray) Gauge fuse 10a Gnd H10 H12 Hot at all times Hot in start Hot in start or on I10 I10 (1995) i6 (1996) I13 (1995) i14 (1996) (i/p harness, left side of i/p) I8 (1995) i5 (1996) Idl Idl1 Instrument cluster J/b 1 (left kick panel) J/b 3 (behind combination meter) K12 M/t Magnetic clutch Main N & c Od1 Park/neutral position switch Parking brake handle) Parking brake switch (bottom of Pkb Pnk R/b 2 (left side of eng compt) Red Resume/ accel Sc 400 only Set/ coast Sp1 Spd Speed meter St fuse 7.5a Starter relay Stop fuse 15a Stop light switch (on brake pedal support) Stp+ Stp- Throttle position sensor "idl" Trip switch and theft deterrent indicator light Vehicle speed sensor 1 (on trans- mission) Vr1 Vr2 Vr3
DEFOGGERS Defogger Wiring Diagram for Lexus SC 400 1996 List of elements for Defogger Wiring Diagram for Lexus SC 400 1996: 27 A10 A13 A14 Defog fuse 50a Defogger relay E10 (engine harness, left front fender) 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 i/p) J/b 3 (behind cluster) Left remote control mirror Mir-htr fuse 10a Noise filter (left side of engine compt) R-def R/b 2 (left side of engine compartment) Rear window defogger Rear window defogger switch (a/c control assembly) Right remote control mirror W/ mem seat w/0 mem seat
ELECTRONIC POWER STEERING Progressive Power Steering Wiring Diagram for Lexus SC 400 1996 List of elements for Progressive Power Steering Wiring Diagram for Lexus SC 400 1996: 26 (right kick panel) (under left ashtray) C10 C13 C14 C15 D13 E12 Ecu-ig fuse 15a G203 G302 Gauge fuse 10a H12 Hot in run Ig+ Instrument cluster J/b 1 (left kick panel) J/b 3 (behind center of i/p) Pnk Pps ecu (behind right side of i/p) Pps solenoid (left front of engine compartment) Red Sol+ Sol- Spd Vehicle speed sensor no. 1 (on transmission)
ENGINE PERFORMANCE
4.0L 4.0L, Engine Performance Wiring Diagrams (1 of 3) for Lexus SC 400 1996 List of elements for 4.0L, Engine Performance Wiring Diagrams (1 of 3) for Lexus SC 400 1996: 140 center of i/p) #10 #20 #30 #40 #50 #60 #70 (eng harn, top right front of eng) (eng harn, top right front of engine) e25 (i/p harn behind glove box) (i/p harn, behind glove box) (i/p harn, behind top right dash) (left (left cyl head) (left cylinder head) (left side of engine compt) (left side of front fender) g100 (on (on trans- (right (top left on eng) +b2 Acc Am1 Am2 Bk/or Bu/rd Camshaft position sensor 1 (left front of engine) Camshaft position sensor 2 (right front of engine) Conn e12 Crankshaft position sensor (lower left of engine) Cylinder Distributor E01 E02 E11 E11 (engine harness, top left center of engine) E12 E12 (engine harness, top center of firewall) E13 E13 (engine harness, top right center of engine) E16 E25 Efi fuse 30a Efi main relay Egr1 Egr2 Egr3 Engine control module (behind Evg Fuel injectors G1- G115 G117 G2- Head) Hot at all times Htl1 Htl4 Htr1 Htr2 Htl2 I13 I21 I25 I26 I28 I28 (i/p harn, behind center console) Idl1 Idl2 Idle air control valve (top center of engine) Igf Igf1 Igf2 Ign fuse 7.5a Igniter 1 Igniter 2 Ignition coil 1 (left front of eng) Ignition coil 2 (right front of engine) Ignition switch Igt Igt1 Igt2 Instrument cluster Instrument cluster system Isc1 Isc2 Isc3 Isc4 J/b 1 (left kick panel) Knk1 Knk2 Knock sensor 1 (left top of engine) Knock sensor 2 (right top of engine) Lock Mission) Nco Nco- Ne- Noise filter Note: splice locations e8 (engine harness, top of left front fender) Nsw O/d direct clutch speed sensor Oil On ig2 Oxl1 Oxl2 Oxr1 Oxr2 P/n Park/neutral position switch transmission) Pnk Prg R/b 2 engine compt) Red Short connector (center rear of engine compt) Sln+ Sln- Slu+ Slu- Sp2 Sp2- St fuse 7.5a St1 Sta Start Starter relay Starting system Stj Tach Tha Thg Thw Vehicle speed sensor 2 Vf1 Vf2 Vta1 Vta2 W/o trac 4.0L, Engine Performance Wiring Diagrams (2 of 3) for Lexus SC 400 1996 List of elements for 4.0L, Engine Performance Wiring Diagrams (2 of 3) for Lexus SC 400 1996: 83 (behind (eng harn, front of fuse box) (eng harn, top left center of eng) (eng harn, top left rear of eng) (eng harn, top right center of dash) (i/p harn, bottom right of dash) (i/p harn, top center of dash) i17 (i/p harn, top right of dash) (i/p harness, top right of dash) (left (on (on transmission) (right side of engine) (under (under left center pillar) A/t indicator lights A10 A13 A14 A15 Ashtray) C16 D13 E11 E12 E12 (eng harn, top center fire- wall) E13 E14 E15 E16 Egr valve (center rear of engine) Electronic controlled Electronic controlled transmission pattern select switch (on console) Engine compt) Evap valve (right side of engine compt) Fpc Fuel pressure up valve (center top of engine) Fuel pump Fuel pump ecu (under console) Fuse block G302 Gauge fuse 10a H12 Hot at all times Hot in on or start I17 I19 I19 (i/p harness, top right of dash) I25 I26 I28 I29 I29 (i/p harness, bottom center of dash) I9 (i/p harness, top center of dash) Instrument cluster Interior J/b 1 (left J/b 3 center of i/p) Kick panel) Left Lights system Lock-up Main fuse 60a Malf. ind. lamp Norm O/d off ind. Oil temp. sensor Out Park/ neutral position switch (on trans- mission) Pnk Power ind. Pwr Red Solenoids Solid state Speedometer Sub throttle position sensor Throttle position sensor Transmission Transmission) Vehicle speed sensor 1 Vss W/ traction control 4.0L, Engine Performance Wiring Diagrams (3 of 3) for Lexus SC 400 1996 List of elements for 4.0L, Engine Performance Wiring Diagrams (3 of 3) for Lexus SC 400 1996: 73 (behind (center rear (left (right front of engine compt) A/c A/d Acmg Air Air conditioning system Anti-lock brakes system (traction ecu) Batt Compt) Conditioning Conn e11 Control Cruise Cylinder D10 Data link connector 1 (center top of engine) Data link connector 3 (center top of engine) E15 E16 Egr gas Engine control module (behind center of i/p) Engine coolant temperature sensor (right front of engine) Fpc G115 left G117 (right G200 Head) Hot at all times Ht1 Ht2 Htl2 Htr2 I10 I18 I25 I28 Igsw J/b 1 (left J/b 3 instrument cluster) Kick Kick panel) M-rel Main heated oxygen sensor (left bank) (left side of engine) Main heated oxygen sensor (right bank) (right side of engine) Mass air flow meter Neo O/d main switch Od1 Od2 Of engine Oxl1 Oxl2 Oxr1 Oxr2 Panel Pnk Red Sdl Sensor Sp2 Stop fuse 15a Stop light switch (on brake pedal support) Stp Sub heated oxygen sensor (left bank) (bottom left of vehicle) Sub heated oxygen sensor (right bank) (bottom right of vehicle) System Te1 Temperature Vto1 Vto2
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Lexus SC 400 1996 List of elements for Back-up Lamps Wiring Diagram for Lexus SC 400 1996: 13 (a/t) (m/t) (body harness, left rear of trunk) b15 (1995) b27 (1996) A4 b2 B15 (1995) b27 (1996) Back- up lamp Back-up light switch (part of park/ neutral switch) G407 (center rear of trunk) Gauge fuse 10a H12 Hot in on or start J/b 1 (left kick panel) Left rear combination light Right rear combination light Exterior Lamps Wiring Diagram (1 of 2) for Lexus SC 400 1996 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Lexus SC 400 1996: 49 (body harness, left rear of trunk) b15 (1995) b27 (1996) (usa) (canada) Am1 fusible link 100a Automatic light control sensor B11 B13 (1995) b25 (1996) B13 (1995) b25 (1996) (body harness, left side of trunk) B15 (1995) b27 (1996) B22 (1995) b23 (1996) B4 (1996) b9 (1995) (body harness, left door sill) C10 C16 Combination switch D13 Diode E12 Fuse block (left side of engine compartment) G200 (left kick panel) G305 (below right "b" pillar) G308 (below left "b" pillar) G407 (center rear of trunk) Gauge fuse 10a Head High mount stop light Hot at all times Hot in on or start I10 Instrument cluster Integration relay (left side of i/p) J/b 1 (left kick panel) J/b 3 (behind cluster) Left rear combination light License plate light Light failure sensor (left rear side of luggage compartment) Off Rear light warning light Right rear combination light Spoiler Stop fuse 15a Stop light switch (near brake pedal) Stop lights Tail Tail fuse 15a Tail- lights Taillight relay Turn signal light Turn signal light W/ rear spoiler W/o rear Exterior Lamps Wiring Diagram (2 of 2) for Lexus SC 400 1996 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Lexus SC 400 1996: 44 (1995) b10 (1995) i7 (1996) i9 (i/p harness, left side of i/p) (1996) a10 (behind cluster) (engine harness, front of eng compt) e2 (engine harness, left side of eng compt) e12 (1995) e10 (1996) (i/p harness, left side of i/p) (1995) i7 (1996) i9 1995 only A14 B14 B16 B17 C23 Combination turn switch signal switch D10 E18 E19 E2 (sc 300) e1 (sc 400) E2 (sc 400) e1 (sc 300) G100 (front side of left fender) G101 (front side of right fender) G200 (left kick panel) H11 Haz-horn fuse 15a Hazard switch Hot at all times Hot in run I8 (1995) i5 (1996) (i/p harness, left side of i/p) Instrument cluster J/b 1 (left kick panel) J/b 3 Left Left front parking light Left front side marker light Left front turn light R/b 2 (left side of engine compartment) R/b 4 (left kick panel) Right Right front parking light Right front side marker light Right front turn light Turn fuse 7.5a Turn signal flasher Turn signal ind
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 5) for Lexus SC 400 1996 List of elements for Ground Distribution Wiring Diagram (1 of 5) for Lexus SC 400 1996: 55 (body harness, left side of passenger compt) b18 (engine harness, front of eng compt-sc 300, right front of eng compt-sc 400) e2 (sc 300) e6 (sc 400) (engine harness, front of engine compt) e2 (engine harness, right front of eng compt) e1 (front side of right fender) A/c dual pressure switch A/c single pressure switch A11 A20 Abs actuator Abs actuator relay B69 B78 B79 B80 Brake fluid level switch C1 (w/ tcs) (w/o tcs) Cruise control actuator Data link connector 1 Data link connector 3 Daytime running light relay no. 3 (canada) E16 (engine harness, right rear of eng compt) E2 (engine harness, front of eng compt) E4 (engine harness, left front of eng compt) E5 (engine harness, left front of eng compt) E7 (engine harness, right side of eng compt) E8 (engine harness, front of engine) E9 (engine harness, left side of eng compt) Efi main relay Engine hood courtesy switch Engine control module Engine oil level warning switch Front fog light G100 (front side of left fender) G101 G114 (left rear side of cylinder head) Heated oxygen sensor (bank 1, sensor 1) Heater relay I28 (i/p harness, right side of i/p) Left front fog light Left front parking light Left front side marker light Left front turn signal light Left low beam headlight Mobile phone Noise filter (defogger system) Right front parking light Right front side marker light Right front turn signal light Right low beam headlight Sc400 only Telephone transceiver & speaker relay Traction ecu Traction pump & motor Washer level switch Ground Distribution Wiring Diagram (2 of 5) for Lexus SC 400 1996 List of elements for Ground Distribution Wiring Diagram (2 of 5) for Lexus SC 400 1996: 43 (engine harness, rear of eng compt) e24 (i/p harness, left side of i/p) i18 (sc 300) A20 Auto antenna motor & relay B10 (body harness, below left front seat) B18 (body harness, left side of passenger compt) B25 (body harness, left side of trunk) B27 (body harness, left rear of trunk) B69 B79 B80 C22 Data link connector 1 Data link connector 2 Driver's power seat control switch Driver's power seat ecu Driver's seat heater E19 (engine harness, left side of engine) Engine control module Engine oil level warning switch Fuel pump Fuel pump ecu G110 (rear side of intake manifold) G117 (right rear side of cylinder head) G308 (below left "b" pillar) G407 (center rear of trunk) Heated oxygen sensor (bank 1, sensor 1) Heated oxygen sensor (bank 2, sensor 1) Heated oxygen sensor (bank 2, sensor 2) I25 (i/p harness, right side of i/p) I28 (i/p harness, right side of i/p) Instrument cluster Left buckle switch Left rear combination light License plate light Light failure sensor Luggage compartment key unlock switch Noise filter Power steering pressure switch Right rear combination light Traction ecu W/ memory seat only Ground Distribution Wiring Diagram (3 of 5) for Lexus SC 400 1996 List of elements for Ground Distribution Wiring Diagram (3 of 5) for Lexus SC 400 1996: 65 (body harness, front of roof) b16 (body harness, front of roof) b7 (body harness, inside left door) b3 (body harness, left "a" pillar) b6 (i/p harness, center of i/p) i13 (i/p harness, left kick panel) i3 (i/p harness, left side of i/p) i2 (i/p harness, right side of i/p) i16 A16 A8 (w/ memory seat) (w/o memory seat) B6 (body harness, left "a" pillar) B6 (body harness, left a pillar) B7 (body harness, front of roof) Center airbag sensor assembly Cooling fan ecu Cruise control ecu Cruise control switch D10 Deterrent & door lock ecu Dimmer switch (combination switch) E18 From j/b 3 pin a1 (diagram 5 of 5) Front of eng compt) G200 (left kick panel) G206 (left instrument panel brace) H13 High beam indicator light (instrument cluster) I14 (i/p harness, right side of i/p) I2 (i/p harness, left kick panel) I5 (i/p harness, left side of i/p) I7 (i/p harness, left side of i/p) Ignition main relay Inner mirror Integration relay J/b 1 (left kick panel) K12 Key inter- lock solenoid (ignition switch) Left door key lock & unlock switch Left door lock/ unlock motor & door detection position switch Left high beam headlight Left power window master switch & door lock control switch Left remote control mirror Left vanity Left vanity light Light Light control switch (combination switch) Moon roof control relay Moon roof control switch Moon roof limit switch Moon roof motor Personal light Power main relay Red Remote control mirror ecu Remote control mirror switch Right high beam headlight Right vanity light Theft Tilt & power telescopic ecu To g203 & g305 (diagram 4 of 5) Unlock warning switch (ignition switch) W/ moon roof W/o moon roof Wiper & washer switch (combination switch) Wiper motor Ground Distribution Wiring Diagram (4 of 5) for Lexus SC 400 1996 List of elements for Ground Distribution Wiring Diagram (4 of 5) for Lexus SC 400 1996: 53 (body harness, left front seat bottom) b8 (body harness, top of left front seat) b13 (right side of rear pillar) A/c control assembly A14 A8 (w/ memory seat) (w/o memory seat) Abs & traction ecu Abs ecu B10 (body harness, left front seat bottom) B11 (body harness, left door sill) B13 B15 (body harness, inside right door) B22 B22 (body harness, rear of passenger compt) B23 (body harness, (right side of rear package shelf) B4 (body harness, left door sill) Blower motor control relay C10 Driver's power seat control switch Driver's power seat ecu Driving position memory & return switch From g206 (diagram 3 of 5) Front vertical position sensor Fuel lid opener solenoid G203 (right kick panel) G302 (under left ashtray) G305 (below right "b" pillar) G905 High mount stop light I13 (i/p harness, left kick panel) I16 (i/p harness, right side of i/p) I19 (i/p harness, right side of i/p) I21 (i/p harness, right side of i/p) I24 (i/p harness, right side of i/p) Instrument cluster Left slide position sensor Passenger's power seat control switch Passenger's power seat ecu Passenger's seat heater Pps ecu Rear vertical position sensor Rear window defogger Reclining motor control (power seat motor) Right door key & unlock switch Right door lock control switch Right door lock/unlock motor & door detection position switch Right remote control mirror Tilt & power telescopic ecu Traction ecu W/ tcs only W/o spoiler w/ spoiler W/o tcs only Wireless door lock ecu Ground Distribution Wiring Diagram (5 of 5) for Lexus SC 400 1996 List of elements for Ground Distribution Wiring Diagram (5 of 5) for Lexus SC 400 1996: 39 (i/p harness, center of i/p) i9 (i/p harness, left kick panel) i18 (sc 400) A/c control assembly A/t A/t indicator light (shift lever) B28 or b29 (body harness, right side of trunk) C22 C23 Cigarette lighter D10 Data link connector 2 Data link connector 3 G117 (right rear side of cylinder head) G302 (under right ashtray) Glove box light switch H14 H15 Heated oxygen sensor (bank 1, sensor 2) Heated oxygen sensor (bank 2, sensor 2) I23 (i/p harness, below floor console) I34 (i/p harness, below front of floor console) Instrument cluster Instrument cluster (ep) J/b 3 (center of i/p) Luggage compartment door open switch M/t O/d main switch Radio & player Rheostat Seat heater switch Shift lock ecu Stereo power amplifier To j/b 1 pin e18 (diagram 3 of 5) Traction cut switch Traction cut switch & seat heater switch W/ cd player W/o cd player Woofer speaker amplifier
HEADLIGHTS Headlight Wiring Diagram, with DRL for Lexus SC 400 1996 List of elements for Headlight Wiring Diagram, with DRL for Lexus SC 400 1996: 67 (engine harness, left front of eng compt) e10 (i/p harness, left side of i/p) i9 (left front fender) (left kick panel) 10a 15a A10 A11 A12 A13 Am1 fuse 100a Auto Automatic light control sensor (left side of i/p) Combination switch Cty D10 Daytime running light no. 2 relay (left front of eng compt) Daytime running light no.3 relay (left front of eng compt) Dimmer switch Dome fuse 10a Drl fuse 7.5a E13 E17 E2 (engine harness, front of engine compartment) E3 (engine harness, front of eng compt) Egu-b fuse Egu-ig fuse Eng compt) Flash Fuse block G100 G100 (front side of left fender) G200 Gauge fuse Head Head (lh- lwr) fuse 15a Head (lh- upr) fuse 15a Head (rh- lwr) fuse 15a Head (rh- upr) fuse 15a Headlight relay High High beam ind Hot at all times Hot in start or on I16 Instrument cluster Integration relay Interior lights system J/b 1 (left kick panel) K11 K12 Left door lock/ unlock motor & door detection position switch Left hi beam head- light Left low beam head- light Light control switch Main fuse 60a Off Panel fuse 7.5a Parking brake switch (bottom of parking brake handle) R/b 2 (left side of eng compt) Red Right hi beam head- light Right low beam head- light Starting/ charging system Tail Taillight relay Trly Headlight Wiring Diagram, without DRL for Lexus SC 400 1996 List of elements for Headlight Wiring Diagram, without DRL for Lexus SC 400 1996: 55 (engine harness, front of eng compt) e3 (i/p harness, left side of i/p) i9 (left kick panel) (or red) Auto Automatic light control sensor (left side of i/p) Combination switch Cty D10 Dimmer relay Dimmer switch Dome fuse 10a E13 E17 E2 (engine harness, front of eng compt) Egu-b fuse 15a Egu-ig fuse 15a Exterior lights system (taillight relay) Flash Fuse block G100 (front side of left fender) G200 Gauge fuse 10a Head Head (lh) fuse 15a Head (lh- lwr) fuse 15a Head (lh- upr) fuse 15a Head (rh) fuse 15a Head (rh- lwr) fuse 15a Head (rh- upr) fuse 15a Headlight relay High High beam indicator Hot at all times Hot in start or on I16 I6 (i/p harness, left kick panel) Instrument cluster J/b 1 (left kick panel) K12 Left door lock/ unlock motor & door detection position switch Left hi beam head- light Left low beam head- light Light control switch Main fuse 60a Off R/b 2 (left side of eng compt) Red Right hi beam head- light Right low beam head- light Sc 300 Sc 400 Sc300 Sc400 Tail
HORN Horn Wiring Diagram for Lexus SC 400 1996 List of elements for Horn Wiring Diagram for Lexus SC 400 1996: 12 (engine harness, front of eng compt) e3 (1995) e4 (1996) B11 Haz-horn fuse 15a Horn Horn relay Horn switch (combination switch) Hot at all times Left horn R/b 2 (left side of engine compartment) R/b 4 (front of j/b 1, left kick panel) Right horn Theft deterrent & door lock ecu (left side of i/p)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (2 of 2) for Lexus SC 400 1996 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Lexus SC 400 1996: 65 (behind center of i/p) (below center A/b A/t A/t indicator light (shift lever) A/t indicator light switch (part of park/ neutral position switch) A28 Anti-theft system Brake fluid level warning switch (on brake fluid reservoir) Center airbag sensor assembly (behind center of i/p) Clock/ outside temp Clutch start switch (left side of i/p) Cruise control ecu (center of i/p) D11 Diode (brake fluid level) (left side of i/p) Diode (parking brake) (left side of i/p) Dome fuse 10a E18 Electronic control transmission pattern select switch (below center of console) Engine control module (center of i/p) Engine oil level warning switch (left front of engine) G101 (front side of right fender) G114 (left rear side of cylinder head) G117 (right rear side of cylinder head) G200 (left kick panel) Hot at all times Hot in start I17 (i/p harness, center of i/p) I25 (sc 300 a/t) i26 (sc 300 m/t) i28 sc 400 (i/p harness, right side of i/p) I26 (i/p harness, right side of i/p) I29 (i/p harness, right side of i/p) I32 (i/p harness, right side of i/p) I4 (canada, usa (m/t) w/ driving position sensor) i6 (ex for usa (m/t) w/ driving postion sensor) (i/p harness, left kick panel) J/b 1 (behind left side of i/p) J/b 1 (left kick panel) J/b 1 (left side kick panel) J/b 2 (left side of eng compt) J/b 3 J/b 3 (center of i/p) M/t Normal O/d main Of console) Oil level Oil temp P/n Park/ neutral position switch (rear of eng compt) Parking brake switch (below console) Pnk Power Red Reset Sc 300 only Sc 400 only Set St fuse 7.5a Starter relay Switch Theft Trip Trip switch & theft deterrent indicator light Usa w/ a/t, w/o driving position memory Usa w/ m/t and driving position memory or canada W/ traction control W/o traction control
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Lexus SC 400 1996 List of elements for Courtesy Lamps Wiring Diagram for Lexus SC 400 1996: 54 (1995) b28 (1996) b15 (body harness, inside right door) (1995) b4 (1996) b6 (body harness, left "a" pillar) (1995) b5 (1996) b7 (body harness, front of roof) (1995) i35 (1996) i22 (i/p harness, right side of i/p) (body harness, front of roof) b5 (1995) b7 (1996) (body harness, inside left door) (body harness, inside left door) b3 (1995) b1 (1996) (body harness, left "a" pillar) (1995) b5 (1996) b6 (canada) (i/p harness, left side of i/p) (i/p harness, left side of i/p) (1995) i8 (1996) i5 (inside right door) (left kick panel) (right kick panel) (usa) a3 b3 10a A11 B12 B3 (1995) b1 (1996) Cig/radio fuse 15a D10 Dome fuse Door Door ind E11 G200 G203 Gauge fuse 10a H10 Hot at all times Hot in on or acc Hot in on or start I8 (1995) i5 (1996) Ignition key cylinder light Instrument cluster Integration relay Interior J/b 1 (left kick panel) J/b 3 (behind instrument cluster) Left door courtesy lamp Left door lock/unlock motor and door detection position switch (inside left door) Left vanity light Luggage compartment lamp Luggage compartment light switch (center of rear panel) Map Off Personal light R/b 2 (left side of eng compt) R/b 4 (left kick panel) Red Right door courtesy lamp Right door lock/unlock motor and door detection position switch Right vanity light Step light Instrument Illumination Wiring Diagram for Lexus SC 400 1996 List of elements for Instrument Illumination Wiring Diagram for Lexus SC 400 1996: 55 (1995) i26 (1996) i8 (i/p harness, left side of i/p) (behind instrument cluster) (i/p harness, center of i/p) (1996) i32 (1995) i18 (i/p harness, center of i/p) i32 (1996) i18 (1995) (w/ cd player) (w/o cd player) A/c control & A/c control assembly A/t indicator lamp A10 A12 A17 A2 b10 A9 c5 Am1 fusible link 100a B10 B11 Canada Cigarette lighter lamp Cluster) Combination switch D13 E12 E18 Electronic controlled transmission pattern select switch lamp Fuse block (in r/b 2) G200 (left kick panel) Gauge fuse 10a Glove box lamp Glove box light switch H10 Hazard switch lamp Head Hot at all times Hot in run Illumination Indicator Instrument cluster Integration relay Integration relay (left side of i/p) J/b 1 (left kick panel) J/b 3 J/b 3 (behind instrument J/b 3 (behind instrument cluster) K11 Off Panel fuse 7.5a Radio & player lamp Radio switch lamp Rheostat Solid state Tail Taillight relay Traction cut & seat heater switch lamp Trip switch & theft deterrent Usa
MEMORY SYSTEMS Memory Mirrors Wiring Diagram for Lexus SC 400 1996 List of elements for Memory Mirrors Wiring Diagram for Lexus SC 400 1996: 59 (1996) (1995) (left instrument panel brace) 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 Driving position memory and return switch (left side of i/p) Ecu-b fuse 15a G206 G302 (under left ashtray) Gnd Hot at all times Hot in acc or on Hsrl Hsrr I1 (i/p harness, left kick panel) I13 (i/p harness, center of i/p) J/b 1 (left kick panel) Left Left remote control mirror Left/ right M+l M+r Mhl Mhr Mry Mvl Mvr N0. 1 N0. 2 Nca Operation switch Pnk Rad n0. 2 fuse 7.5a Red Remote control mirror ecu (center of i/p) Remote control mirror switch Right Right remote control mirror Select switch Set Swb Swe Swlh Swlv Swrh Swrv Tilt & power telescopic ecu (left side of i/p) Up/ down Vsrl Vsrr Memory Seats Wiring Diagram (1 of 2) for Lexus SC 400 1996 List of elements for Memory Seats Wiring Diagram (1 of 2) for Lexus SC 400 1996: 84 (body harness, below left front seat) (1995) b31 (1996) b9 (body harness, below left front seat) b29 (1995) b10 (1996) (i/p harness, left kick panel) (1995) i2 (1996) i1 (i/p harness, left kick panel) (1995) i6 (1996) i13 +b2 A10 A11 A12 A13 A14 A15 A16 B10 B11 B12 B13 B14 B15 B16 B17 B18 C10 Door circuit breaker 30a Down Driver's front vertical motor (under seat) Driver's power seat control switch Driver's rear vertical motor (under seat) Driver's slide control motor (under seat) Driving position memory/ return switch Dsw Ecu-ig fuse 15a Ecue Fdwn Front Front vertical Frv- Fup Fvr+ G308 (below left "b" pillar) Gnd Gnd2 Hot at all times Hot in run I10 J/b 1 (left side of i/p) Left door open detection switch Lumbar support Lumbar support motor (under left seat) Mry Nca No. 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) Sysb Tilt/ power telescopic ecu (behind left side of i/p) Vertical rear Memory Seats Wiring Diagram (2 of 2) for Lexus SC 400 1996 List of elements for Memory Seats Wiring Diagram (2 of 2) for Lexus SC 400 1996: 55 (1995) b33 (1996) b13 (body harness, top of left seat back) (1995) b34 (1996) b13 (body harness, top of left seat back) (1995) b33 (1996) b13 B29 (1995) b10 (1996) B30 (1995) b11 (1996) B32 (1995) b8 (1996) B7(1995) b4 (1996) Dome fuse 10a Down Driver's power seat reclining motor control (under driver's seat) Front Front vertical motor (under right seat) Front vertical position sensor (under driver's seat) Front verticle G302 (under left ashtray) G305 (below right "b" pillar) Gnd H10 Hold Hot at all times J/b 1 (left side of i/p) Lumbar support Lumbar support motor (under right seat) 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 (under right seat) 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 motor (under right seat) Rear vertical position sensor (under driver's seat) Rear verticle Reclining Reclining motor (under right seat) Red Release Rrsw Sgnd Sld+ Sld- Sldf Sldr Slide Slide position sensor (under driver's seat) Slsw Ssrs Sysb Power Tilt & Power Telescopic Wiring Diagram for Lexus SC 400 1996 List of elements for Power Tilt & Power Telescopic Wiring Diagram for Lexus SC 400 1996: 84 (body harness, below driver's seat) b32 (1995) b8 (1996) (i/p harness, left kick panel) i1 (i/p harness, left side of i/p) i6 (1995) i3 (1996) (i/p harness, left side of i/p) i9 (1995) i7 (1996) (left kick panel) (left side of i/p) 10a 15a 30a A/t A10 A11 A12 Asw Auto sw B10 B11 B12 B13 B14 B15 B16 B17 B18 B7 (1995) b4 (1996) (body harness, left door sill) 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 i/p) Dsw Ecu-b Ecu-ig fuse Ecue G200 G302 (under left ashtray) Gauge fuse 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 P (pkb) Park/neutral position switch (on transmission) Parking brake switch (bottom of parking brake handle) Pnk Power fuse R/b 2 (left side of eng compt) Red Remote control mirror ecu (center of i/p) Set Ssr- Telesco long Telesco short Telescopic control motor Telescopic position sensor Tem+ Tem- Tes Tilt & power telescopic ecu (left side of i/p) Tilt and power telescopic unit (combination switch) Tilt control motor Tilt down Tilt position sensor Tilt up Tim+ Tim- Tis Unlock warning switch (ignition switch) Uwsw
PASSIVE RESTRAINTS Electric Tension Reducer Wiring Diagram for Lexus SC 400 1996 List of elements for Electric Tension Reducer Wiring Diagram for Lexus SC 400 1996: 14 (body harness, under right front seat) b13 Door fuse 30a Ecu-ig fuse 15a G305 (below right "b" pillar) G308 (below left "b" pillar) Hot at all times Hot in start or on J/b 1 (left kick panel) Left buckle switch (inside driver's seat belt buckle head) Left tension reducer solenoid (below left "b" pillar) Passenger's power seat ecu (under passenger's seat) Right buckle switch (inside passenger's seat belt buckle head) Right tension reducer solenoid (below right "b" pillar) Tension reducer diode (left kick panel)
POWER ANTENNA Power Antenna Wiring Diagram for Lexus SC 400 1996 List of elements for Power Antenna Wiring Diagram for Lexus SC 400 1996: 36 (i/p harness, center of i/p) i34 (w/ cd player) (w/o cd player) 15a 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 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 eng compt) Radio & player Radio n0. 1 fuse Radio no. 2 fuse Red Sgnd Sig Solid state Svcc W/ cd W/o cd
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Lexus SC 400 1996 List of elements for Power Distribution Wiring Diagram (1 of 4) for Lexus SC 400 1996: 62 (engine harness, left side of eng compt) e12 (1995) e10 (1996) (sc300) (sc400) 100a 120a 150a 15a 30a 40a 60a 7.5a Abs motor relay, abs solenoid relay, traction solenoid relay Abs n0. 1 fuse Abs n0. 2 fuse Acc Alt fuse Am1 Am1 fuse Am2 Am2 fuse Battery C13 Canada Cig fuse, j/b 1 (diagram 3 of 4) D11 Data link connector no 3 (1996 only) Daytime running light relay no. 2 (diagram 4 of 4) Def fuse, r/b 2 (diagram 4 of 4) E10 Ecu-b fuse, j/b 1 (digram 2 of 4) Engine control module, cruise control ecu, park/neutral position switch, clutch start switch Fog fuse Fog light relay Fuse block (r/b 2) Gauge fuse, j/b 1 (diagram 2 of 4) Generator Ig1 Ig2 Ign fuse, j/b 1 (diagram 3 of 4) Ignition switch Igsw fuse Inj fuse Integration relay J/b 1 (left kick panel) Lock Main fuse Nca Odb ii fuse (1996) R/b 4 (front side of j/b 1) Rad no. 2 fuse Radio no. 1 fuse, r/b 2 (diagram 3 of 4) Red Remote control mirror ecu Remote control mirror switch Sc 300 Sc 400 Seat heater relay or ignition main relay Seat heater switch St fuse St-htr fuse St1 Start Traction motor relay Woofer speaker amplifier, stereo power amplifier, radio & player, auto antenna motor & relay Power Distribution Wiring Diagram (2 of 4) for Lexus SC 400 1996 List of elements for Power Distribution Wiring Diagram (2 of 4) for Lexus SC 400 1996: 59 10a 15a 20a 30a 7.5a A/c control assembly, water valve vsv A12 Am1 fuse (diagram 1 of 4) C16 Cruise control ecu, stop light switch Diode Door fuse Driver's power seat control switch, driver power seat ecu E12 E13 E17 Ecu-b fuse Ecu-ig fuse Electronic controlled transmission pattern select switch, instrument cluster Engine fuse Fuel lid opener switch Gauge fuse Generator H12 H15 H16 Hazard switch Heater relay, a/c magnetic clutch relay, defogger relay Htr fuse I10 Idle-up diode (1995) Ignition switch (diagram 1 of 4) Instrument cluster, automatic light control sensor Integration relay Interior lights system (instrument illumination circuit) J/b 1 (left kick panel) K10 K13 License lights, light failure sensor Light failure sensor, wireless door lock ecu Mobilephone, traction ecu, right tension reducer solenoid, abs ecu, abs & traction ecu Panel fuse Parking lights, front side marker lights Passenger's power seat control switch, passenger power seat ecu, theft deterrent & door lock ecu Power main relay Pps ecu, cooling fan ecu Pwr fuse Remote control mirror ecu Shift lock ecu, automatic light control sensor Stop fuse Tail fuse Taillight relay Telephone transceiver & speaker relay, auto antenna & motor relay, driver power seat ecu, left tension reducer solenoid Theft deterrent & door lock ecu, cruise control ecu, tilt & power telescopic ecu, inner mirror (1996) Tilt & power telescopic ecu, moon roof control relay (1996) Turn fuse Vehicle speed sensor 1, back-up light switch (m/t), park/neutral postion switch (a/t) Washer motor, wiper/washer switch, wiper motor Wiper fuse Power Distribution Wiring Diagram (3 of 4) for Lexus SC 400 1996 List of elements for Power Distribution Wiring Diagram (3 of 4) for Lexus SC 400 1996: 33 10a 15a 20a 7.5a A/c control assembly Center airbag sensor assembly Cig fuse Cigarette lighter Dome fuse E18 Efi fuse r/b 2 (diagram 4 of 4) Engine control module G10 G200 (left kick panel) Haz-horn fuse Horn relay, hazard switch, theft deterrent horn I14 Ign fuse Igniter no 1 (sc 400), igniter no 2 (sc 400), ignition coil no 1 (sc 400), igniton coil no 2 (sc 400), noise filter, igniter (sc 300), ignition coil (sc 300), fuel injectors, idle air control valve (sc 300), fuel pressure up vsv (sc 300), egr vsv (sc 300), engine control module (sc 300), efi main relay (sc 300), evap vsv (sc 300), intake control valve vsv (sc 300), data link connector 1 (sc 300), heated oxygen sensors (sc 300), fuel pump ecu (sc 300), mass air flow meter (1996 sc 300) Ignition switch, (diagram 1 of 4) Instrument cluster Integration relay, abs & traction ecu, traction ecu, abs ecu, theft deterrent & door lock ecu, wireless door lock ecu, cruise control ecu, passenger power seat ecu, driver's power seat ecu, tilt & power telescopic ecu, moon roof control relay (1995), door courtesy lights, vanity lights, ignition key cylinder light, step light, personal light, day/night shift switch (inner mirror), luggage compartment light, instrument cluster, a/c control assembly J/b 1 (left kick panel) J/b 3 (center of i/p) Main fuse, fuse block (diagram 1 of 4) R/b 2 (left side of eng compt) Rad no 2 fuse, j/b 1 (diagram 1 of 4) Radio & player, auto antenna motor & relay, woofer speaker amplifier, stereo power amplifier Radio no. 1 fuse Red Shift lock ecu Theft deterrent & door lock ecu Trip switch & theft deterrent indicator light Power Distribution Wiring Diagram (4 of 4) for Lexus SC 400 1996 List of elements for Power Distribution Wiring Diagram (4 of 4) for Lexus SC 400 1996: 52 (1995) e5 (1996) e8 (engine harness, left side of eng compt) (usa sc 300) 10a 15a 30a 50a 60a 7.5a Alt fuse, fuse block (diagram 1 of 4) Alt sensing fuse Daytime running light relay 2 (canada) Daytime running light relay no 3 Daytime running light relay no 3 (1995) or daytime running light relay no 4 (1996) Def fuse Defogger relay Dimmer relay (usa sc 400) Drl fuse (canada) E12 (1995) e10 (1996) (engine harness, left side of eng compt) Efi fuse Efi main relay Engine control module Fog light relay, left low beam headlight, left hi beam headlight (usa sc 300) Generator Haz-horn fuse, r/b 2 (digram 3 of 4) Head (lh) Head (lh-lwr) (canada & sc 400) fuse Head (lh-upr) fuse Head (rh) Head (rh-lwr) (canada & sc 400) fuse Head (rh-upr) fuse Headlight relay Headlight relay, r/b 2 (diagram 4 of 4) Heater relay Htr fuse J/b 1 (left kick panel) Left hi beam headlight Left mirror heater Main fuse, fuse block (diagram 1 of 4) Mir-htr fuse Noise filter (defogger system) R/b 2 (left side of eng compt) Red Right hi beam headlight, instrument cluster Right low beam headlight, instrument cluster (usa sc 300), right hi beam headlight (usa sc 300) Right mirror heater, idle-up diode Starter relay Starting/ charging system Tel fuse Tel fuse, r/b 2 (diagram 4 of 4) Telephone transceiver & speaker relay Trac fuse Traction ecu
POWER DOOR LOCKS Keyless Entry & Anti-Theft Wiring Diagram (1 of 2) for Lexus SC 400 1996 List of elements for Keyless Entry & Anti-Theft Wiring Diagram (1 of 2) for Lexus SC 400 1996: 90 (body harness, left rear door sill) b18 (i/p harness, left side of i/p) i5 (i/p harness, left side of i/p) i7 (i/p harness, right side of i/p) i14 (i/p harness, right side of i/p) i22 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 Acc Act+ Act- Actd B1+ B10 Bzr Bzr2 Cig fuse 15a Cty Diode (in r/b 4) Dome fuse 10a Door fuse 30a Dswd Dswh Dswl Dswp 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) Gauge fuse 10a Grd H10 Head Headlight relay Horn Horn relay Hot at all times Hot in run Hot in run or accy Hot in run or start I14 I16 I22 (i/p harness, right side of i/p) Ind Integration relay J/b 1 (left side of i/p) J/b 2 (left side of engine compt) J/b 3 (behind cluster) K13 Ksw Left front door key lock/unlock switch Lock Lswd Lswp Lug Luggage compartment light switch (center rear of trunk) Master power window/door lock control switch Power circuit breaker 30a Power main relay Prly Red Right front door key lock/unlock switch Right front door lock control switch Srly Starter relay Tail Taillight relay Theft deterrent and door lock ecu (left side of i/p) Tsw Ul1 Ul2 Ul3 Ulsw Unlock Wireless door lock buzzer (left side of eng compt) Wireless door lock ecu (right rear of trunk) Keyless Entry & Anti-Theft Wiring Diagram (2 of 2) for Lexus SC 400 1996 List of elements for Keyless Entry & Anti-Theft Wiring Diagram (2 of 2) for Lexus SC 400 1996: 27 (behind left side of i/p) (i/p harness, center of i/p) i14 B15 C10 C15 D10 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 I5 (i/p harness, left side of i/p) Instrument cluster 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) 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 Automatic Glare-Resistant EC Mirror for Lexus SC 400 1996 List of elements for Automatic Glare-Resistant EC Mirror for Lexus SC 400 1996: 10 (left kick panel) Ecu-ig fuse 15a G200 Hot in on or start I3 (i/p harness, left side of i/p) Inner mirror J/b 1 (left kick panel) Left remote control mirror Right remote control mirror W/ memory Power Mirror Wiring Diagram for Lexus SC 400 1996 List of elements for Power Mirror Wiring Diagram for Lexus SC 400 1996: 20 (body harness, in left door) b2 (left kick panel) D10 Defogger system Down G200 Hot in acc or on J/b 1 (left kick panel) Left Left remote control mirror Left/ right Left/ up Operation switch Radio 2 fuse 7.5a Remote control mirror switch Right Right remote control mirror Right/ down Select switch Up/ down
POWER SEATS Heated Seats Wiring Diagram for Lexus SC 400 1996 List of elements for Heated Seats Wiring Diagram for Lexus SC 400 1996: 28 (1995) i3 (1996) i2 (1995) i6 (1996) i3 (i/p harness, left side of i/p) (m/t) (a/t) A10 Am1 fusible link 100a Driver's seat heater (in seat back) Driver's seat heater switch E12 (1995) e10 (1996) (engine harness, left side of eng compt) E18 Ecu-ig fuse 15a Fuse block (left side of engine comp) G200 (left kick panel) G305 (below right "b" pillar) G308 (below left "b" pillar) H14 Hot at all times Hot in run Ignition main relay J/b 1 (left side of i/p) J/b 3 (behind cluster) K13 Left Passenger's seat heater (in seat back) Passenger's seat heater switch R/b 4 (left kick panel) Right Seat heater switch Seat-htr fuse 15a
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Lexus SC 400 1996 List of elements for Power Top/Sunroof Wiring Diagrams for Lexus SC 400 1996: 54 (center front of roof) (left kick panel) (right kick panel) +b1 +b2 15a 30a A12 A13 A16 A19 A20 B35 (1995) b16 (1996) (body harness, front of roof) B4 (1995) b16 (1996) (body harness, left "a" pillar) Close Cls D10 Dome fuse 20a Door fuse Down Dswp Dwn Ecu-ig fuse G2 red G200 G203 Gnd H10 H15 Hot at all times Hot in on or start I16 Is1 Is2 J/b 1 (left side of i/p) J/b 2 (left side of eng compt) K13 Left front door lock motor/ door position detection switch Moon roof control relay (center front of roof) Moon roof control switch Moon roof motor & limit switch (center front of roof) Mtr+ Mtr- No. 1 No. 2 Open Opn Pnk Power fuse Power main relay Red Right front door lock motor/ door position detection switch Rly Theft deterrent & door lock ecu (right side of i/p)
POWER WINDOWS Power Window Wiring Diagram for Lexus SC 400 1996 List of elements for Power Window Wiring Diagram for Lexus SC 400 1996: 36 (at left kick panel) A12 A13 A16 A20 Auto Auto down module B3 (1995) b1 (1996) (body harness, front of center console) D10 Dome fuse 10a Door fusible link 30a Down Ecu-ig fuse 15a G200 (at left kick panel) G203 (right kick panel) H10 Hot at all times Hot in on or start I16 J/b 1 J/b 1 (at 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 with CD Changer, Nakamichi for Lexus SC 400 1996 List of elements for with CD Changer, Nakamichi for Lexus SC 400 1996: 92 (console box harness, under front end of center console) (console box harness, under front end of center console) i34 (floor 3 harness, right side of luggage compartment) b29 (floor 3 harness, under center console) (floor 3 harness, under rear seat) b20 (floor main harness, at base of left "b" pillar) b18 (under right ashtray) g302 A/c control switch & radio switch A10 A11 A12 A13 A14 A15 Acc Amp Ant Anta Antb Aud+ Aud- Automatic cd changer B10 B12 B29 (floor 3 harness, right side of luggage compartment) B30 (floor 3 harness, right side of luggage compartment) B34 B5 b6 Beep Cd player Cdl+ Cdl- Cdr+ Cdr- D10 D11 D12 E10 Fl+ Fl- Fr+ Fr- Gnd Hot at all times Hot in acc or on I33 (console box harness, under front end of center console) Illumination Interior lights system J/b 1 (behind left kick panel) Left front door speaker Left rear speaker Luggage compartment light switch Mute Pnk Power antenna system Pwr R/b 2 (in left front, of engine compartment, behind battery) Radio & cd player Radio 1 fuse 20a Radio 2 fuse 7.5a Red Right front door speaker Right rear speaker Rl+ Rl- Rr+ Rr- Sgn1 Sgnd Shield Short connector (in left side of luggage compartment) Sp+ Sp- Speaker relay Stereo power amplifier (on right side of luggage compartment) Telephone transceiver Telephone transceiver & speaker relay (in left side of luggage compartment) Tlmt Txm+ Txm- Txs+ Txs- Under rear seat) Vol+ Volc W/ telephone W/o telephone W/telephone Wf+ Wf- Woofer speaker (right side of rear shelf) Woofer speaker amplifier (at right side of luggage compartment) with CD Changer, Pioneer for Lexus SC 400 1996 List of elements for with CD Changer, Pioneer for Lexus SC 400 1996: 95 (console box harness, under front end of center console) i33 (console box harness, under front end of center console) i34 (floor 3 harness, right front of luggage compartment) b28 (floor 3 harness, under center console) (floor 3 harness, under rear seat) (floor 3 harness, under rear seat) b20 (floor main harness, at base of left "b" pillar) b18 (under right ashtray) g302 A/c control switch & radio switch A10 A11 A12 A13 A14 A15 Acc Amp Ant Anta Antb Aud+ Aud- Automatic cd changer B10 B12 B12 (floor 3 harness, under center console) B20 B24 (floor 3 harness, right side of rear windshield at base) B30 (floor 3 harness, right side of luggage compartment) B34 Beep Cd player Cdl+ Cdl- Cdr+ Cdr- D10 D11 D12 E10 Fl+ Fl- Fr+ Fr- Gnd Hot at all times Hot in acc or on I33 (console box harness, under front end of center console) Illumination Interior lights system J/b 1 (behind left kick panel) Left front door speaker Left rear speaker Luggage compartment light switch Mute Pnk Power antenna system Pwr R/b 2 (in left front of engine compartment, behind battery) Radio & cd player Radio 1 fuse 20a Radio 2 fuse 7.5a Red Right front door speaker Right rear speaker Rl+ Rl- Rr+ Rr- Ru+ Ru- Sgn1 Sgnd Shield Short connector (in left side of luggage compartment) Sp+ Sp- Speaker relay Stereo power amplifier (on right side of luggage compartment) Telephone transceiver Telephone transceiver & speaker relay (in left side of luggage compartment) Tlmt Txm+ Txm- Txs+ Txs- Vol+ Volc W/ telephone W/o telephone W/telephone Wf+ Wf- Woofer speaker (right side of rear shelf) Woofer speaker amplifier (at right front of luggage compartment)
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Lexus SC 400 1996 List of elements for Shift Interlock Wiring Diagram for Lexus SC 400 1996: 29 (left kick panel) 15a 15aa Acc Cig fuse E17 E18 E20 Ecu-ig fuse G200 H13 H15 Hot at all times Hot in acc or run Hot in run or start I10 J/b 1 (left kick panel) J/b 3 (behind center of i/p) J/b 3 (behind cluster) Key interlock solenoid (on steering column) Kls+ Shift lock control switch Shift lock ecu (below console) Shift lock solenoid Sls+ Sls- Stop fuse Stop light switch (on brake pedal support) Stp
STARTING/CHARGING Charging Wiring Diagram for Lexus SC 400 1996 List of elements for Charging Wiring Diagram for Lexus SC 400 1996: 19 (sc 300) (sc 400) Alt fusible link 120a 150a Alt sensing fuse 7.5a Alternator Battery Charging warning light Engine fuse 7.5a Fuse block (relay box 2) Hot in run or start I14 (i/p harness, center of i/p) Ign fuse 7.5a Instrument cluster Integration relay (left side of i/p) J/b 1 (left side of i/p) J/b 3 (behind center of i/p) Main fusible link 60a Nca Relay box 2 (left side of engine compartment) Starting circuit Starting Wiring Diagram for Lexus SC 400 1996 List of elements for Starting Wiring Diagram for Lexus SC 400 1996: 32 (i/p harness, right side of i/p) i32 (on transaxle) (sc 400) (sc 300) A/t Acc Alt fusible link 150a 120a Am1 Am1 fusible link 100a Battery Clutch start switch (on clutch pedal support) Engine controls system Fuse block (relay box 2) I29 (i/p harness, right side of i/p) Ignition switch Igsw fuse 40a Instrument cluster (sc 400) J/b 1 (left kick panel) Lock M/t (sc 300) Main fusible link 60a Nca Park/ neutral position switch Relay box 2 (left side of engine compartment) Run Sc 300 m/t Srly St fuse 7.5a St1 Start Starter motor Starter relay Theft deterrent & door lock control ecu (behind right side of i/p)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Lexus SC 400 1996 List of elements for Supplemental Restraint Wiring Diagram for Lexus SC 400 1996: 33 (left kick panel) +sl +sr -sl -sr A10 A11 Acc Airbag Airbag squib (front passenger's airbag assembly) Airbag squib (steering wheel pad) Center airbag sensor assembly (under front of console) Cig fuse 15a Combination meter D11 Data link connector 1 (left side of eng) Data link connector 2 (left side of i/p) E10 E13 Ecu-b fuse 15a G10 G200 H12 Hot at all times Hot in on or acc Hot in start or on Ig2 Ign fuse 7.5a J/b 1 (left kick panel) J/b 3 (behind combi- nation meter) Left front airbag sensor (except 1996) (left front of eng compt) Red Right front airbag sensor (except 1996) (right front of eng compt)
TRANSMISSION
TRUNK, TAILGATE, FUEL DOOR Trunk & Fuel Door Release Wiring Diagram for Lexus SC 400 1996 List of elements for Trunk & Fuel Door Release Wiring Diagram for Lexus SC 400 1996: 21 (left center pillar) A13 A16 A19 Acc Cig fuse 15a Door fuse 30a Ecu-ig fuse 15a Fuel lid opener solenoid (right side of trunk) Fuel lid opener switch G200 (left kick panel) G414 Hot at all times Hot in accy or run Hot in run J/b 1 (left kick panel) J/b 3 (center of i/p) Luggage compartment door opener motor (center rear of trunk) Luggage compartment door opener switch Theft deterrent & door lock ecu (left side of i/p) Trk
WARNING SYSTEMS Warning System Wiring Diagrams for Lexus SC 400 1996 List of elements for Warning System Wiring Diagrams for Lexus SC 400 1996: 23 C12 D10 D13 Dome fuse 10a E12 G200 (left kick panel) G308 (below left "b" pillar) Gauge fuse 10a H13 Hot at all times Hot in start or on I15 Instrument cluster Integration relay J/b 1 (left kick panel) J/b 3 (behind cluster) Left buckle switch (inside driver's buckle head) Left door lock/ unlock motor & door detection position switch R/b 2 (left side of eng compt) Red Seat belt warning light Timer/buzzer Unlock warning switch (in ignition switch)
WIPER/WASHER Wiper/Washer Wiring Diagram for Lexus SC 400 1996 List of elements for Wiper/Washer Wiring Diagram for Lexus SC 400 1996: 28 10a 20a A13 B17 B9 instrument cluster D13 E12 G100 (front side of left fender) G200 (left kick panel) Gauge fuse H16 High Hot in start or on I4 (i/p harness, left kick panel) i8 (i/p harness, left side of i/p) Int Int. time J/b 1 (left kick panel) J/b 3 (behind cluster) Low/ mist Off Solid state Washer level ind. Washer level switch (in washer fluid reservoir) Washer motor (left front of eng compt) Washer switch Wiper & washer switch (combination switch) Wiper fuse Wiper motor (left rear of eng compt)
