POWER DISTRIBUTION – Lexus SC 300 1999 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Lexus SC 300 1999

List of elements for Power Distribution Wiring Diagram (1 of 3) for Lexus SC 300 1999:

• (3.0l)
• (3.0l) (4.0l)
• (4.0l)
• (engine harness, left side of eng compt) e10
• Abs mtr relay, abs sol 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
• Deterrent & door lock ecu, wireless door lock control ecu, passenger's 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 garage door opener, d/a converter
• Dome fuse 10a
• E10
• Engine control module, park/neutral position switch
• Fog fuse 15a
• Foglight 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, theft
• Junction block 1 (behind left kick panel)
• Lock
• Main fuse 60a
• Nca
• Obd fuse 7.5a
• Radio & player, auto antenna motor & relay, woofer speaker amplifier, stereo power amplifier, cd automatic changer
• Radio 1 fuse 20a
• Radio 2 fuse 7.5a
• 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
• Seat-htr fuse 15a
• St fuse 7.5a
• St1
• Start
• Starter
• Stereo power amplifier, radio & player, auto antenna motor & relay, d/a converter
• To cig fuse, junction block 1 (diagram 2 of 3)
• To daytime running light relay 2 (diagram 3 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)

Power Distribution Wiring Diagram (2 of 3) for Lexus SC 300 1999

List of elements for Power Distribution Wiring Diagram (2 of 3) for Lexus SC 300 1999:

• (behind left kick panel) junction block 1
• 15a
• 7.5a
• A/c control assembly, shift lock ecu air bag sensor assembly
• A12
• C16
• Cig fuse
• Cigarette lighter
• Combination meter, air bag sensor assembly, engine control module, stoplight switch
• 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 control ecu
• E12
• E13
• E17
• Ecu-b fuse 15a
• Ecu-ig fuse 15a
• Engine control module, license plate 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
• H12
• H15
• H16
• Hazard switch
• Htr fuse 10a
• Htr relay, mg clt relay def relay, a/c control assembly, water valve vsv
• 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
• Park/neutral position switch, light failure sensor, wireless door lock control ecu, combination meter, trip switch & theft deterrent indicator light
• Parking lights, front side marker lights
• Power main relay
• Pwr fuse 30a
• Stop fuse 15a
• Stoplight switch
• Tail fuse 7.5a
• Taillight relay
• Telephone transceiver & speaker relay, auto antenna & motor relay, driver's power seat ecu, tension reducer solenoids, theft deterrent & door lock control ecu, tilt & power telescopic ecu. inner mirror, mobile phone, abs ecu, abs & traction ecu, pps ecu, cooling fan ecu, shift lock ecu, automatic light control sensor
• Theft deterrent & door lock control ecu, air bag sensor assembly
• Tilt & power telescopic ecu, moon roof control relay
• Turn fuse 7.5a
• Washer motor, wiper/washer switch, wiper motor
• Wiper fuse 20a

Power Distribution Wiring Diagram (3 of 3) for Lexus SC 300 1999

List of elements for Power Distribution Wiring Diagram (3 of 3) for Lexus SC 300 1999:

• (digram 1 of 3)
• (engine harness, left fender apron) e8
• Alt sensing fuse 7.5a
• Daytime running light relay 2 (behind left headlamp)
• Daytime running light relay 3
• Daytime running light relay 4
• Def fuse 50a
• Def relay
• Drl fuse 7.5a
• E10 (engine harness, left fender apron)
• Efi fuse 30a
• Efi main relay
• Engine control module
• Etcs fuse 15a
• Foglight relay, left low beam headlight
• From alt fuse, fuse block (diagram 1 of 3)
• From haz-horn fuse relay block 2 f
• From main fuse, relay block 2 diagram 1 of 3)
• From tel fuse, relay block 2 (diagram 3 of 3)
• Generator
• Head (lh-upr) fuse 15a
• Head (rh-upr) fuse 15a
• Head fuse (lh-lwr) 15a
• Head fuse (rh-lwr) 15a
• Headlight relay
• Htr fuse 60a
• Htr relay
• Junction block 1 (behind left kick panel)
• Left & right mirror heater, engine control module
• Left hi beam headlight
• Mirhtr fuse 10a
• Noise filter
• Rear window defogger
• Red
• Red (engine harn, left front corner of engine compt)
• Relay block 2 (on left side of engine compt, behind battery)
• Right low beam headlight, combination meter
• Starter
• Starter relay
• Tel fuse 15a
• Telephone transceiver & speaker relay
• To headlight relay, relay block 2 (diagram 3 of 3)