GROUND DISTRIBUTION – Lexus SC 430 2009 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2009

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2009:

83

• (if equipped) multi- display
• (if equipped) seat heater switch
• A/c control assembly
• A10
• A21
• A31
• Acc relay
• Afs ecu
• Afs off switch
• Air bag sensor assembly
• Audio door control switch
• B10
• B11
• B20
• B21
• B22
• Brake actuator
• Brake fluid level warning switch
• C11
• C13
• Center j/b (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
• E j10
• E12
• E14
• E20
• Electronically controlled transmission pattern select switch
• F j9
• F14
• F15
• F16
• F17
• F18
• Fuel lid opener switch
• Gateway ecu
• Glove box light
• H j10
• Ig (center of dash)
• Ig 1 relay
• Ih (under steering column)
• Ii (left side dash brace)
• Ij (right side dash brace)
• Inner mirror
• J/c j11 (center of dash)
• 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, headlight cleaner switch & security indicator light
• Multi- display
• Passenger side j/b (right kick panel)
• Passenger side j/b ecu
• Personal light, garage door opener
• Power outlet
• Pressure switch
• Radio & player
• Right vanity light
• Shift lock control ecu
• Steering sensor
• Telltale light assembly
• Theft deterrent ecu
• Tilt & telescopic ecu
• Tire pressure warning ecu and receiver
• Tire pressure warning reset switch
• Tire pressure warning select switch
• Trans- ponder key computer
• Translate ecu
• Transmission control switch
• Turn signal flasher relay
• Unlock warning switch & key interlock solenoid
• Vsc off switch
• W/ mirror retractor

Ground Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2009

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2009:

78

• (left side of engine compartment) engine room 2 r/b
• A/c magnetic clutch & lock sensor
• B j4
• B j5
• B j9
• Blower motor
• Brake actuator
• C10
• Camshaft position sensor shield
• Canister pump module
• Combi- nation switch
• Controller
• Cooling fan ecu
• Crankshaft position sensor shield
• Data link connector
• Driver side j/b (left kick panel)
• E19
• Ea (rear of right fender)
• Eb (right side of cylinder head)
• Ec (left side of cylinder head)
• Ed (rear of left fender)
• Ee (rear of left fender)
• Efi relay
• Engine control module
• Engine hood courtesy switch
• Engine oil level sensor
• Engine room 1 r/b (right side of engine compartment)
• Exhaust gas sensor
• Fan relay
• Front controller
• Front wiper motor
• Headlight cleaner control relay
• Heated oxygen sensor (bank 1 sensor 1) shield
• Heated oxygen sensor (bank 1 sensor 2) shield
• Heated oxygen sensor (bank 2 sensor 1) shield
• Heated oxygen sensor (bank 2 sensor 2) shield
• 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
• Ignition coil & igniter 8
• Ik (right kick panel)
• J/c j14
• J/c j23
• J/c j24 (left side of engine compt)
• J/c j3 (engine room 2 r/b)
• J/c j4 & j5 (in ecu box)
• J/c j8
• J/c j9 & j10 (top left end of dash)
• J10
• J4 b
• Knock sensor (bank 1) knock sensor (bank 2) shield
• Left front fog light
• Left front parking light
• Left front side marker light
• Left front turn signal light
• Left headlight (high)
• Left headlight assembly
• Left vvt sensor shield
• Multi- display
• Nca
• Park/neutral position switch, a/t indicator light switch & backup light switch
• Pressure switch
• Right front fog light
• Right front parking light
• Right front side marker light
• Right front turn signal light
• Right headlight (high)
• Right headlight assembly
• Right vvt sensor shield
• Skid control ecu
• Washer level sensor
• Washer motor

Ground Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2009

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2009:

61

• (if equipped) navigation amplifier
• Auto antenna control relay
• Bl (under driver's seat)
• Bm (under front passenger's seat)
• Bn (left quarterpanel)
• Bo (near stereo component amplifier)
• Bp (left quaterpanel)
• Bq (right quarterpanel)
• D19
• Driver door ecu
• Fuel lid opener motor
• Fuel pump
• High mounted stop light
• J/c j17
• J/c j18
• J/c j19 (under driver's seat)
• J/c j20 (under driver's seat)
• J/c j21 (under front passenger's seat)
• J/c j22 (under front passenger's seat)
• L24
• Left backup light
• Left buckle switch
• Left rear combi- nation light
• Left rear side marker light
• Luggage room j/b (left rear of luggage compartment)
• Luggage room j/b ecu
• Lumbar support control switch (driver's seat)
• Lumbar support control switch (front passenger's seat)
• Navigation ecu
• Occupant classification ecu
• P11
• P21
• P22
• P23
• P24
• 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 seat front vertical control)
• Power seat position sensor (driver's seat lifter control)
• Power seat position sensor (driver's seat reclining control)
• Power seat position sensor (driver's seat slide control)
• Power seat position sensor (front passenger's seat front vertical control)
• Power seat position sensor (front passenger's seat lifter control)
• Power seat position sensor (front passenger's seat reclining control)
• Power seat position sensor (front passenger's seat slide control)
• R13
• Rear window defogger
• Right backup light
• Right buckle switch & occupant detection sensor
• Right rear combi- nation light
• Right rear side marker light
• S18
• S19
• S22
• Seat heater controller (driver's seat)
• Seat heater controller (front passenger's seat)
• Sliding roof control ecu
• Stereo component amplifier