GROUND DISTRIBUTION – Lexus GS 430 2003 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Lexus GS 430 2003

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Lexus GS 430 2003:

• (dash harn, left side of dash)
• (w/ hid)
• (w/o hid)
• A/c lock sensor
• Abs & trac & vsc actuator
• Abs sol relay
• Cruise control switch
• Data link connector (dlc) 1
• Data link connector (dlc) 3
• E1 (engine harn, top rear of engine)
• E2 (engine harn, top left side of engine)
• Ec (rear of right cylinder head)
• Ed (rear of left cylinder head)
• Ee (under abs/ trac/vsc actuator)
• Ef (right front strut tower)
• Efi relay
• Engine control module
• Engine main relay
• Engine oil level sensor
• Engine room relay block 1 (on right side of engine compt, behind strut tower)
• Engine room relay block 2 (on left side of engine compt, behind strut tower)
• Eo1
• Eo2
• Eo3
• 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)
• I5 (dash harn, right side of dash)
• 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
• Junction connector j/c 26 (in ecu box)
• Junction connector j/c 4 (in ecu box)
• Junction connector j/c 5 (in engine room r/b 2)
• Junction connector j/c 9 (behind left side of dash)
• Meo1
• Nca
• Right front fog- light
• Right front side marker light
• Right front turn signal light
• Right headlight control ecu
• Right low beam headlight
• Right parking light
• Starter relay
• T13
• Telephone transceiver & speaker relay

Ground Distribution Wiring Diagram (2 of 4) for Lexus GS 430 2003

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Lexus GS 430 2003:

• (dash harn, behind combination meter)
• (engine harn, under ecu box)
• (w/ hid)
• (w/o hid)
• A/c dual pressure switch
• A19
• Abs & trac & vsc ecu
• C13
• Center airbag sensor assembly
• Combination meter
• Combination switch
• D24
• Data link connector (dlc) 3
• Daytime running light relay 3
• Daytime running light relay 4
• Daytime running light resistor (or short connector)
• Dimmer switch
• Driver's door ecu
• E4 (engine harn, under ecu box)
• Eb (left front strut tower)
• Engine control module
• Engine hood courtesy switch
• Eom
• Exhaust gas sensor
• Front wiper & washer switch
• Headlight beam level control ecu
• Headlight cleaner control relay
• Headlight cleaner motor
• High beam indicator light
• Junction connector j/c 10 (behind left side of dash)
• Junction connector j/c 11 (behind left side of dash)
• Junction connector j/c 6 (left kick panel)
• Key interlock solenoid
• Left front fog- light
• Left front side marker light
• Left front turn signal light
• Left head- light control ecu
• Left low beam headlight
• Left mirror heater
• Left parking light
• Light control switch
• Luggage compartment door opener switch
• Main daytime running light relay
• Pnk
• Pps ecu
• Radiator fan motor
• Seat heater switch
• Steering sensor
• Telephone microphone
• Tilt & telescopic ecu
• To driver side junction block (diagram 3 of 4)
• To passenger side junction block (diagram 3 of 4)
• Transponder key amplifier
• Turn signal flasher
• Turn signal switch
• Unlock warning switch
• Washer level warning switch
• Water temperature switch

Ground Distribution Wiring Diagram (3 of 4) for Lexus GS 430 2003

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Lexus GS 430 2003:

• (3.0l)
• (dash harn, right side of dash) i6
• (except mark levinson)
• (on left side of engine compt, front of strut tower) engine room relay block 3
• (right side of instrument panel brace)
• A/c control assembly
• A13
• A20
• A22
• Abs & trac & vsc ecu
• B2 (body harn, top of right "a" pillar)
• Blower motor controller
• Body ecu 1
• Body ecu 2
• Brake fluid level warning switch
• C12
• Cd automatic changer
• Center airbag sensor assembly
• Cigarette lighter
• Clock
• Combination meter
• Driver's side junction block (behind lower left end of dash)
• Electronically controlled transmission pattern select switch
• F11
• F13
• Fan 2 relay
• Fan 3 relay
• From g200 (diagram 2 of 4)
• From junction connector j/c 10 (diagram 2 of 4)
• Front passenger door ecu
• Front wiper motor
• Garage door opener
• Gateway ecu
• Glove box light switch
• Hazard switch
• Htr relay
• I1 (dash harn, behind combination meter)
• Ig (upper left side of dash)
• Ig relay
• Ii (upper right side of dash)
• Inner mirror & compass
• Instrument panel junction block (behind upper center of dash)
• Junction connector j/c 17 (behind upper right side of dash)
• Left rear interior light
• Left vanity light
• Mirror retraction switch
• Moon roof control ecu
• Moon roof control switch
• Multi- display
• Noise filter
• Passenger side junction block (behind right kick panel)
• Passenger's side relay block (behind right kick panel)
• Personal light
• Power outlet
• Radio & player
• Right mirror heater
• Right rear interior light
• Right vanity light
• Shift lock control ecu
• Stereo component amplifier
• Vsc off switch

Ground Distribution Wiring Diagram (4 of 4) for Lexus GS 430 2003

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Lexus GS 430 2003:

• (body harness, rear of left rear wheelwell)
• (w/ memory)
• (w/o memory)
• Auto antenna control relay & motor
• B6 (body harness, under driver's seat)
• Bj (under left "c" pillar)
• Bk (above left rear wheel- well)
• Bl (center of rear shelf)
• Bm (under right "c" pillar)
• Bulb
• Driver's seat back heater
• Driver's seat control switch
• Driver's seat front vertical position sensor
• Driver's seat lumbar control switch
• Driver's seat rear vertical position sensor
• Driver's seat recline position sensor
• Driver's seat slide position sensor
• Fuel lid opener motor
• Fuel pump control ecu
• High mounted stop- light
• J/c 28 (above right rear wheel- well)
• Junction connector j/c 20 (above left rear wheelwell)
• Junction connector j/c 22 (above right rear wheelwell)
• Junction connector j/c 23 (under left front seat)
• Junction connector j/c 24 (under right front seat)
• Led
• Left buckle switch
• Left license light
• Left rear combination light
• Left rear door ecu
• Light failure sensor
• Luggage compartment door key unlock switch
• Navigation ecu (except mark levinson)
• Navigation ecu (mark levinson)
• P18
• P19
• Passenger's lumbar support switch
• Passenger's power seat control switch
• Passenger's seat back heater
• Power seat ecu
• Right buckle switch & seat belt warning occupant detection sensor
• Right license light
• Right rear combination light
• Right rear door ecu
• S14
• Stereo component amplifier (mark levinson)
• Stop- light noise filter
• Telephone transceiver & speaker relay
• Wireless door lock ecu