GROUND DISTRIBUTION – Lexus GS 450h 2008 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 7) for Lexus GS 450h 2008

List of elements for Ground Distribution Wiring Diagram (1 of 7) for Lexus GS 450h 2008:

52

• (w/ active stabilizer suspension system) front stabilizer control ecu shield
• (w/ active stabilizer suspension system) power steering ecu shield
• (w/ adaptive front- lighting system) headlamp swivel ecu
• (w/o active stabilizer suspension system) steering control ecu shield
• (w/o adaptive front- lighting system) headlamp beam level control ecu
• A/f relay
• A1 (left rear of engine
• A10
• A11
• A13
• A15
• A2 (left rear corner of engine compt)
• A24
• A29
• A32
• A33
• A53
• A60
• A64
• A65
• Brake actuator
• Brake fluid level warning switch
• Brake pedal stroke sensor shield
• Clearance warning ecu
• Combination meter
• Compartment)
• Efi 2 relay
• Efi main relay
• Engine control module
• Engine control module shield
• Engine room j/b 1 (left side of engine compt)
• Engine room r/b 1 (left side of engine compt)
• Front controller
• Front window deicer
• Headlamp cleaner control relay
• Hybrid vehicle control ecu shield
• Ig2 relay
• Inverter
• J/c a10 & a11 (left side of engine compt)
• J/c a17 (left rear corner of engine compt)
• J/c a32 & a33 (behind left end of dash)
• J/c a63 (behind left end of dash)
• K31
• Left cowl side j/b (behind left end of dash)
• Left front absorber control actuator
• Nca
• Skid control ecu
• Skid control ecu shield
• Water level warning switch
• Windshield washer motor
• Windshield wiper motor
• Wireless door lock buzzer

Ground Distribution Wiring Diagram (2 of 7) for Lexus GS 450h 2008

List of elements for Ground Distribution Wiring Diagram (2 of 7) for Lexus GS 450h 2008:

50

• A54
• Accelerator position sensor shield
• Air fuel ratio sensor (bank 1 sensor 1) shield
• Air fuel ratio sensor (bank 2 sensor 1) shield
• Canister pump module
• Compressor motor
• Crankshaft position sensor shield
• Data link connector 3
• Distance control ecu
• E1 (left rear of engine)
• E10
• E13
• E2 (right rear of engine)
• E83
• E84
• Engine control module
• Engine oil level sensor
• Engine room j/b 1 (left side of engine compt)
• Fuel tank pressure sensor
• G13
• H13
• Heated oxygen sensor (bank 1 sensor 2) shield
• Heated oxygen sensor (bank 2 sensor 2) shield
• Hybrid vehicle control ecu
• Igct relay
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Injector driver shield
• Inv w/p relay
• J/c a50 (left side of engine compt)
• J/c a8 & e10 (left side of engine compt)
• J13
• K12
• Knock control sensors shield
• L12
• L14
• Left center j/b (behind right side of dash)
• Millimeter wave radar sensor
• Nca
• Refueling valve
• Right center j/b (behind right side of dash)
• Spill control valve shield
• Spiral cable
• Transmission control switch
• Water pump motor (a/c)
• Water pump motor (inverter)

Ground Distribution Wiring Diagram (3 of 7) for Lexus GS 450h 2008

List of elements for Ground Distribution Wiring Diagram (3 of 7) for Lexus GS 450h 2008:

70

• (in overhead console) overhead j/b
• A10
• A12
• Absorber control ecu
• Absorber control ecu shield
• Absorber control switch
• Acc relay
• Airbag sensor assembly center
• Body ecu
• C13
• Cigarette lighter
• Combination meter
• D11
• D13
• D15
• Data link connector 3
• Data link connector ecu shield
• Distance control ecu shield
• F12
• F15
• From left cowl side j/b (diagram 4 of 7)
• Front stabilizer control ecu shield
• G15
• Gateway ecu
• Gateway ecu shield
• Glove box lamp
• H11
• H12
• H13
• H15
• Hybrid mode select switch
• I15
• J/c k91 (behind right kick panel)
• J/c k92 (behind right kick panel)
• J/c k95 (behind right side of dash)
• Junction connector
• Junction connector v37 shield
• K13
• K15
• K2 (under left side of floor console)
• K31
• K4 (behind right kick panel)
• K44
• K69
• K72
• K74
• Left vanity lamp switch
• Luggage compartment door opener cancel switch
• Nca
• Power source control ecu
• Power steering ecu shield
• Power switch
• Pwr outlet relay
• Rh-ig relay 1
• Rh-ig relay 2
• Right center j/b (behind right side of dash)
• Right cowl side j/b (behind right end of dash)
• Right front absorber control actuator
• Right vanity lamp switch
• Seat heater switch
• Shift lock control ecu
• Steering control ecu
• Steering control ecu shield
• Steering lock ecu
• Tilt & telescope ecu
• Tilt motor
• Tire pressure warning ecu
• Tire pressure warning reset switch
• Tire pressure warning select switch
• Traction control switch

Ground Distribution Wiring Diagram (4 of 7) for Lexus GS 450h 2008

List of elements for Ground Distribution Wiring Diagram (4 of 7) for Lexus GS 450h 2008:

56

• A/c amplifier
• A13
• A14
• A15
• Airbag sensor assembly center
• Body ecu
• C15
• Cigarette lighter
• Clearance warning ecu shield
• Console box lamp
• E15
• Engine control module shield
• F15
• H14
• H15
• Hybrid control ecu shield
• Hybrid vehicle ecu shield
• I14
• I15
• Id code box
• J/c k93 (behind left kick panel)
• J/c k94 (behind left kick panel)
• J/c k96 (behind right side of dash)
• J14
• J15
• Junction connector v37 & e87 shield
• Junction connector v38 & k7 shield
• K1 (behind left kick panel)
• K15
• K22
• K44
• K46
• K52
• L15
• Left center j/b (behind right side of dash)
• Left cowl side j/b (behind left end of dash)
• Lh-ig relay 1
• Lh-ig relay 2
• Luggage door opening switch assembly
• Multi- display
• Nca
• Outer mirror switch assembly
• Overhead j/b
• Overhead j/b shield
• Skid control ecu shield
• Sliding roof control ecu
• Spiral cable
• Steering lock ecu
• Steering sensor
• Steering sensor shield
• Sun beam sensor shield
• To ground k2 (diagram 3 of 7)
• Turn signal flasher
• Windshield wiper switch assembly
• Yaw rate sensor
• Yaw rate sensor shield

Ground Distribution Wiring Diagram (5 of 7) for Lexus GS 450h 2008

List of elements for Ground Distribution Wiring Diagram (5 of 7) for Lexus GS 450h 2008:

44

• Battery blower motor
• Battery voltage sensor
• C10
• C11
• Center stop lamp
• Fuel lid courtesy switch
• Fuel suction pump & gauge assembly
• Hybrid vehicle control ecu shield
• Ig1 relay
• Inter lock switch
• J/c b5 (under left side of driver's seat)
• J/c b9 (under right side of driver's seat)
• J/c n8 (center front of luggage compt)
• J/c v26 & v27 (left front of luggage compt)
• J/c y6 (center rear of luggage compartment lid)
• Left front door ecu
• Left front lumbar support power seat switch
• Left front seat back climate control blower
• Left front seat cushion climate control blower
• Left front seat heater
• Left front seat inner belt
• Left front seat position control ecu & switch
• Left rear absorber control actuator
• Left rear combination lamp
• Left rear door ecu
• Left rear seat inner belt
• License plate lamp
• Luggage compartment door closer
• Luggage compartment door lock cylinder
• Luggage compartment door opener switch
• Luggage compartment door striker switch
• Luggage room j/b (left side of luggage compt)
• Luggage room j/b ecu
• Nca
• Rear sunshade relay
• Right rear combination lamp
• Seat belt control ecu
• System main relay
• V1 (under driver's seat)
• V2 (left side of luggage compt)
• V26
• V27
• V30
• Wiring harness spool

Ground Distribution Wiring Diagram (6 of 7) for Lexus GS 450h 2008

List of elements for Ground Distribution Wiring Diagram (6 of 7) for Lexus GS 450h 2008:

37

• Certification ecu
• Door control receiver
• Engine control module shield
• J/c a5 (under right side of front passenger's seat)
• J/c a9 (under left side of front passenger's seat)
• J/c u25 (right front of luggage compt)
• J/c v39 (left front of luggage compt)
• Junction connector a59 shield
• Junction connector v37 & a59 shield
• Junction connector v37 & k87 shield
• Mayday ecu
• Nca
• Occupant classification ecu
• Overhead j/b shield
• Power outlet socket
• Rear stabilizer control ecu shield
• Rear window defogger
• Right front door ecu
• Right front lumbar support power seat switch
• Right front seat back climate control blower
• Right front seat cushion climate control blower
• Right front seat heater
• Right front seat inner belt
• Right front seat position control ecu & switch
• Right rear absorber control actuator
• Right rear door ecu
• Right rear seat inner belt
• Seat belt control ecu shield
• Steering control ecu shield
• U1 (under front passenger's seat)
• U2 (in right "c" pillar)
• U20
• U28
• U4 (in right "c" pillar)
• U45
• W/ occupant classification system
• W/o occupant classification system

Ground Distribution Wiring Diagram (7 of 7) for Lexus GS 450h 2008

List of elements for Ground Distribution Wiring Diagram (7 of 7) for Lexus GS 450h 2008:

51

• (left side of engine compt) engine room r/b 1
• A23
• A3 (right rear corner of engine compt)
• A4 (right rear of engine compt)
• A40
• A5 (under right headlight assembly)
• A58
• B1 (right front of engine compt)
• B2 (under left headlight assembly)
• Blower motor
• C1 (right front of engine compt)
• C2 (right rear of engine compt)
• Converter (active stabilizer)
• Cooling fan ecu
• Defog relay
• Engine hood courtesy switch
• Except mark levinson
• Fan main relay
• Front stabilizer control ecu
• Front stabilizer control ecu shield
• Fuel injector 1 shield
• Fuel injector 2 shield
• Fuel injector 3 shield
• Fuel injector 4 shield
• Fuel injector 5 shield
• Fuel injector 6 shield
• I1 (right front of engine)
• J1 (right front of engine)
• K3 (under right side of floor console)
• K54
• Left front fog lamp
• Left headlamp assembly
• Mark levinson
• Nca
• Noise filter
• Oil pmp relay
• Power steering ecu
• Power steering motor shield
• Radio receiver assembly
• Rear stabilizer control ecu
• Rear stabilizer control ecu shield
• Right front fog lamp
• Right headlamp assembly
• Smog ventilation sensor
• Steering control ecu
• Stereo component amplifier
• U3 (right side of luggage compt)
• U31
• U42
• Y1 (right side of luggage compt)
• Y2 (right rear of luggage compt)