GROUND DISTRIBUTION – Lexus SC 430 2002 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2002

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2002:

73

• A/c control assembly
• A/c single pressure switch
• A11
• Acc relay
• Airbag sensor assembly
• Audio door control switch
• B10
• B11
• B20
• B21
• B22
• B27
• Brake actuator
• Brake fluid level warning switch
• C13
• C14
• C20
• Center j/b (behind right center of dash)
• Cigarette lighter
• Combi- nation switch
• Combination meter
• D10
• D16
• D17
• D18
• D19
• D20
• Data link connector
• Driver side j/b (left kick panel)
• Driver side j/b ecu
• E12
• E14
• E20
• Electronically controlled transmission pattern select switch
• F14
• F15
• F16
• F17
• F18
• Fuel lid opener switch
• Gateway ecu
• Glove box light switch
• Headlight beam level control ecu
• Ig (left side of steering column)
• Ig1 relay
• Ih (under steering column)
• Ii (left dash brace)
• Ij (right dash brace)
• Inner mirror
• J/c j11 (below radio)
• J/c j9 & j10 (top left end of dash)
• Left vanity light
• Luggage compartment door opener main switch
• Luggage compartment door opener switch
• Mirror retractor switch, head light cleaner switch & security indicator light
• Multi- display
• Passenger side j/b (right kick panel)
• Passenger side j/b ecu
• Personal light, garage door opener & telephone microphone
• Power outlet
• Radio & player
• Right vanity light
• Seat heater switch
• Shift lock control ecu
• Steering sensor
• Theft deterrent ecu
• Tilt & telescopic ecu
• Tire pressure monitor receiver
• Tire select switch
• Trans- ponder key computer
• Turn signal flasher relay
• Unlock warning switch & key interlock solenoid
• Vsc off switch

Ground Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2002

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2002:

67

• (left side of engine compt) engine room no. 2 r/b
• (top center of engine)
• A/c dual pressure switch
• A/c magnetic clutch & lock sensor
• A14
• A16
• A22
• Brake actuator
• Combi- nation switch
• Controller blower motor
• Cooling fan ecu
• D31
• Data link connector
• Driver's side j/b (left kick panel)
• E19
• Ea (right front fender)
• Eb (side of right cylinder head)
• Ec (side of left cylinder head)
• Ed (left front fender
• Ee (left front fender)
• Efi relay
• Engine control module
• Engine hood courtesy switch
• Engine oil level sensor
• Engine room no. 1 r/b (right side of engine compt)
• Exhaust gas sensor
• Fan relay
• Front controller
• Front wiper motor
• Headlight cleaner control relay
• Heated oxygen sensor (bank 1 sensor 1)
• Heated oxygen sensor (bank 1 sensor 2
• Heated oxygen sensor (bank 2 sensor 1)
• Heated oxygen sensor (bank 2 sensor 2)
• If (left kick panel)
• Ig2 relay
• Ignition coil & igniter 1
• Ignition coil & igniter 2
• Ignition coil & igniter 3
• Ignition coil & igniter 4
• Ignition coil & igniter 5
• Ignition coil & igniter 6
• Ignition coil & igniter 7
• Ik (right kick panel)
• J/c j14 (right kick panel)
• J/c j3 (in engine room no.2 r/b)
• J/c j4 (in ecu box)
• J/c j7 (in ecu box)
• J/c j8 (behind left kick panel)
• J/c j9 & j10 (top left end of dash)
• Left front fog light
• Left front parking light
• Left front side marker light
• Left front turn signal light
• Left headlight (high)
• Left headlight (low)
• Park/neutral position switch, a/t indicator light switch & backup light switch
• Right front fog light
• Right front parking light
• Right front side marker light
• Right front turn signal light
• Right headlight (high)
• Right headlight (low)
• Skid control ecu
• Telephone computer
• Washer level sensor
• Washer motor

Ground Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2002

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2002:

57

• A12
• A13
• A17
• Auto antenna control relay
• B19
• Bl (under driver's seat)
• Bm (under front passenger's seat)
• Bn (left quarter panel)
• Bo (near stereo component amplifier)
• Bp (left quarter panel)
• Bq (right quarter panel)
• C10
• C11
• Driver door ecu
• Fuel lid opener motor
• Fuel pump
• High mounted stop light
• J/c j16 (right rear of luggage compt)
• J/c j17 (left quarter panel)
• J/c j18 (right quarter panel)
• J/c j19 (under left side of driver's seat)
• J/c j20 (under right side of driver's seat)
• J/c j21 (under left side of front passenger's seat)
• J/c j22 (under right side of front passenger's seat)
• Left back-up light switch
• Left buckle switch
• Left rear combi- nation light
• Left rear side marker light
• Luggage room j/b (left rear corner of luggage compt)
• Luggage room j/b ecu
• Lumbar support control switch (driver's slide)
• Lumbar support control switch (front passenger's seat)
• Navi- gation ecu
• Passenger door ecu
• Power seat control switch (driver's seat)
• Power seat control switch (front passenger's seat)
• Power seat ecu (driver's seat)
• Power seat ecu (front passenger's seat)
• Power seat position sensor (driver's front vertical)
• Power seat position sensor (driver's lifter)
• Power seat position sensor (driver's reclining)
• Power seat position sensor (driver's slide)
• Power seat position sensor (front passenger's front vertical)
• Power seat position sensor (front passenger's lifter)
• Power seat position sensor (front passenger's reclining)
• Power seat position sensor (front passenger's slide
• Rear window defogger
• Right back-up light switch
• Right buckle switch & occupant detection sensor
• Right rear combi- nation light
• Right rear side marker light
• Seat heater controller (driver's seat)
• Seat heater controller (front passenger's seat)
• Sliding roof control ecu
• Stereo component amplifier
• Telephone computer
• Telephone micro- phone amplifier