POWER DISTRIBUTION – Lexus SC 400 1998 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Lexus SC 400 1998

List of elements for Power Distribution Wiring Diagram (1 of 3) for Lexus SC 400 1998:

• (3.0l)
• (3.0l) (4.0l)
• (4.0l)
• (engine harness, left side of eng compt) e10
• Abs motor relay, abs solenoid relay
• Abs n0. 1 fuse 60a
• Acc
• Alt fuse 120a 150a
• Am1
• Am1 fuse 100a
• Am2
• Am2 fuse 30a
• Battery
• C13
• D11
• Data link connector 3
• Dome fuse 10a
• E10
• Engine control module, park/neutral position switch, clutch start switch
• Fog fuse 15a
• Fog light relay
• Generator
• Haz-horn fuse 15a
• Horn relay, hazard switch, theft deterrent horn
• I3 (dash harn, upper left end of dash)
• Ig sw fuse 40a
• Ig1
• Ig2
• Ignition main relay
• Ignition switch
• Inj fuse 30a
• Integration relay
• Integration relay,
• Junction block 1 (behind left kick panel)
• Lock
• Main fuse 60a
• Nca
• Obd ii fuse 7.5a
• Rad 2 fuse 7.5a
• Radio & player, auto antenna motor & relay, woofer speaker amplifier, stereo power amplifier
• Radio 1 fuse 20a
• Red
• Relay block 2 (on left side of engine compt, behind battery)
• Relay block 4 (behind left kick panel, on front side of junction block 1)
• Remote control mirror ecu
• Remote control mirror switch
• Seat heater switch
• St fuse 7.5a
• St-htr fuse 15a
• St1
• Start
• 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, door courtesy lights, vanity lights, ignition key cylinder light, step light, personal light, luggage compartment light, combination meter, a/c control assembly
• To cig fuse, junction block 1 (diagram 2 of 3)
• To def fuse, relay block 2 (diagram 3 of 3)
• To door fuse, junction block 1 (digram 2 of 3)
• To efi fuse relay block 2 (diagram 3 of 3)
• To gauge fuse, junction block 1 (diagram 2 of 3)
• To ign fuse, junction block 1 (diagram 2 of 3)
• Woofer speaker amplifier, stereo power amplifier, radio & player, auto antenna motor & relay

Power Distribution Wiring Diagram (2 of 3) for Lexus SC 400 1998

List of elements for Power Distribution Wiring Diagram (2 of 3) for Lexus SC 400 1998:

• (behind left kick panel) junction block 1
• 15a
• 7.5a
• A/c control assembly, shift lock ecu
• A12
• C16
• Cig fuse
• Cigarette lighter
• Combination meter, airbag sensor assembly, engine control module
• Combination meter, automatic light control sensor, remote control mirror ecu
• Diode
• Door fuse 30a
• Driver's seat control switch, passenger's seat control switch, driver's power seat ecu, passenger's power seat ecu, theft deterrent & door lock ecu, fuel lid opener switch
• E12
• E13
• E17
• Ecu-b fuse 15a
• Ecu-ig fuse 15a
• Engine control module, license lights, light failure sensor
• Engine controls system
• Engine fuse 7.5a
• From am1 fuse (diagram 1 of 3)
• From ignition switch (diagram 1 of 3)
• From ignition switch, (diagram 1 of 3)
• From rad 2 fuse, junction block 1 (diagram 1 of 3)
• G10
• G200 (left kick panel)
• Gauge fuse 10a
• Generator
• H10
• H12
• H15
• H16
• Hazard switch
• Heater relay, a/c magnetic clutch relay, defogger relay, a/c control assembly, water valve vsv
• Htr fuse 10a
• I10
• I14
• I21 (dash harn, lower right end of dash)
• Ign fuse
• Integration relay
• Interior lights system
• Junction block 1 (behind left kick panel)
• Junction block 3 (behind center of dash)
• K10
• K13
• Panel fuse 7.5a
• Parking lights, front side marker lights
• Power main relay
• Pwr fuse 30a
• Stop fuse 15a
• Stop light switch
• Tail fuse 7.5a
• Taillight relay
• Telephone transceiver & speaker relay, auto antenna & motor relay, driver power seat ecu, tension reducer solenoids, theft deterrent & door lock ecu, cruise control ecu, tilt & power telescopic ecu. inner mirror, ignition main relay, mobile phone, throttle driver, abs ecu, abs & traction ecu, pps ecu, cooling fan ecu, shift lock ecu, automatic light control sensor
• Theft deterrent & door lock ecu, airbag sensor assembly
• Tilt & power telescopic ecu, moon roof control relay
• Turn fuse 7.5a
• Vehicle speed sensor 1, back-up light switch (m/t), park/neutral position switch (a/t), cruise control clutch switch (m/t), light failure sensor, wireless door lock ecu, electronic controlled transmission pattern select switch, combination meter, trip switch and theft deterrent indicator light
• Washer motor, wiper/washer switch, wiper motor
• Wiper fuse 20a

Power Distribution Wiring Diagram (3 of 3) for Lexus SC 400 1998

List of elements for Power Distribution Wiring Diagram (3 of 3) for Lexus SC 400 1998:

• (digram 1 of 3)
• Alt sensing fuse 7.5a
• Def fuse 50a
• Defogger relay
• Dimmer relay (4.0l)
• E10 (engine harness, left fender apron)
• Efi fuse 30a
• Efi main relay
• Engine control module
• Fog light relay, left low beam headlight, left hi beam headlight (3.0l)
• From alt fuse, fuse block (diagram 1 of 3)
• From haz-horn fuse relay block 2 f
• From tel fuse, relay block 2 (diagram 3 of 3)
• Generator
• Head (lh-upr) fuse 15a
• Head (rh-upr) fuse 15a
• Headlight relay
• Heater relay
• Htr fuse 60a
• Junction block 1 (behind left kick panel)
• Left and right mirror heater, idle-up diode
• Left head fuse (3.0l) left lower head fuse (4.0l) 15a
• Left hi beam headlight
• Mir-htr fuse 10a
• Rear defogger
• Red
• Relay block 2 (on left side of engine compt, behind battery)
• Right head fuse (3.0l) right lower head fuse (4.0l) 15a
• Right hi beam headlight, combination meter
• Right low beam headlight, combination meter (usa sc 300), right hi beam headlight (3.0l)
• Starter
• Starter relay
• Tel fuse 15a
• Telephone transceiver & speaker relay
• Throttle driver
• To headlight relay, relay block 2 (diagram 3 of 3)
• Trac fuse 7.5a