GROUND DISTRIBUTION – Lexus GS 450h 2014 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 7) for Lexus GS 450h 2014

List of elements for Ground Distribution Wiring Diagram (1 of 7) for Lexus GS 450h 2014:

• (left side of engine compt) engine room j/b 1
• (left side of engine compt) engine room r/b 1
• (w/ ptc heater) quick heater assembly
• A/f relay
• A1 (left rear of engine compt)
• A14
• A16
• A2 (left rear of engine compt)
• A20
• A22
• A29
• A3 (right rear of engine compt)
• A38
• A4 (right rear of engine compt)
• A5 (right end of dash)
• A6 (left end of dash)
• Af1
• Air bag sensor assembly
• At1
• Au1
• B10
• Blower motor
• Brake actuator
• Brake fluid level warning switch
• Compressor w/ motor assembly
• E10
• E11
• Ecm (engine control module)
• Efi main 1 relay
• Efi main 2 relay
• Engine water pump
• F16
• Fan 1 relay
• Front wiper deicer
• Headlight cleaner control relay
• Ig2 relay
• Igct relay
• Integration relay
• Inv w/p relay
• Inverter w/ converter
• Inverter water pump assembly
• J/c a51 (upper left end of dash)
• J/c a53 (left side of engine compt)
• Left front absorber control actuator
• Left front speed sensor shield
• Left rear speed sensor shield
• Level warning switch assembly
• Multi-media module receiver assembly
• N4 (under center console)
• N5 (right center of dash)
• N52
• N68
• N76
• N77
• Oil pmp relay
• Power steering ecu
• Right front absorber control actuator
• Right front speed sensor shield
• Right rear speed sensor shield
• Shield
• Skid control ecu
• Windshield wiper motor
• Wireless door lock buzzer

Ground Distribution Wiring Diagram (2 of 7) for Lexus GS 450h 2014

List of elements for Ground Distribution Wiring Diagram (2 of 7) for Lexus GS 450h 2014:

• A50
• Af1
• Air fuel ratio sensor (bank 1 sensor 1) shield
• Air fuel ratio sensor (bank 2 sensor 1) shield
• Au1
• B1 (right front of engine compt)
• B2 (left front of engine compt)
• Ba2
• Canister pump module
• Cooling fan ecu
• Crank position sensor shield
• Data link connector 3
• Ecm (engine control module)
• Engine hood courtesy switch
• Engine oil level sensor
• F1 (left rear of engine)
• F2 (right rear of engine)
• F3 (right side of engine)
• F66
• Fj1
• Fuel pump assembly shield
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Injector driver shield
• J/c a50 & f66 (left side of engine compt) f66
• J/c n123 (left side of dash)
• Knock control sensor (bank 1) shield
• Knock control sensor (bank 2) shield
• Left headlight assembly
• Millimeter wave radar sensor
• Na1
• Oxygen sensor (bank 1 sensor 2) shield
• Oxygen sensor (bank 2 sensor 2) shield
• Right headlight assembly
• Shield
• Smog ventilation sensor
• Wiring harness condenser 2

Ground Distribution Wiring Diagram (3 of 7) for Lexus GS 450h 2014

List of elements for Ground Distribution Wiring Diagram (3 of 7) for Lexus GS 450h 2014:

• (if equipped) ion generator 1
• (left end of dash) left cowl side j/b
• (right end of dash) right cowl side j/b
• (w/ auto location) tire pressure monitor initiator driver
• (w/o power trunk opener & closer) trk opn relay
• A21
• A32
• A47
• Absorber control ecu
• All door lock relay
• C17
• Certification ecu
• Cruise control main switch
• D door unlock relay
• D16
• D17
• Dcm (telematics transceiver)
• Fr pwr outlet relay
• Fuel opn relay
• Glove box light (interior illumination light sub-assembly)
• Headlight swivel ecu
• Headup display (combination meter mirror ecu)
• Id code box
• J/c a51 (upper left end of dash)
• Junction terminal n135
• Kick down switch assembly
• L/d door unlock relay
• Lh- ig1 rly1 relay
• Lh- ig1 rly2 relay
• Luggage door opening cancel switch assembly
• Main body ecu
• Map light assembly
• N105
• N3 (under center console)
• N31
• N7 (base of right kick panel)
• N87
• N91
• N92
• N94
• Network gateway ecu
• Np1
• Ny2
• Occupant detection ecu
• Power management control ecu
• Refreshing seat switch
• Rh acc relay
• Rh-ig1 relay 1
• Rh-ig1 relay 2
• Right front seat inner belt t4
• Rr pwr outlet relay
• Spiral cable sub-assembly (in steering column)
• Steering lock actuator
• Steering pad switch assembly
• Stop light switch
• W/o dynamic radar cruise control
• Y11
• Z12

Ground Distribution Wiring Diagram (4 of 7) for Lexus GS 450h 2014

List of elements for Ground Distribution Wiring Diagram (4 of 7) for Lexus GS 450h 2014:

• (w/ dynamic radar cruise control) driving support ecu
• (w/ navigation) accessory meter assembly (w/o navigation) multi-display
• A/c amplifier
• Air bag sensor assembly
• Clock assembly
• Combination meter assembly (transmission floor shift assembly)
• Combination switch assembly
• Cruise control main switch
• Fuel injector 1 shield
• Fuel injector 2 shield
• Fuel injector 3 shield
• Fuel injector 4 shield
• Fuel injector 5 shield
• Fuel injector 6 shield
• Inner rear rear view mirror assembly
• J/c n123 (left side of dash)
• K1 (right front of engine)
• L1 (right front of engine)
• Lane recognition camera sensor
• Map light assembly
• Multiplex tilt & telescopic ecu
• N152
• N31
• N32
• N40
• N52
• N6 (left center of dash)
• N62
• N78
• N91
• N92
• Ny1
• Power management control ecu
• Power outlet socket assembly
• Power steering converter
• Rain sensor
• Rear sunshade switch assembly
• Remote operation switch
• Satellite switch set
• Shield
• Sliding roof control ecu
• Sliding roof control switch
• Spiral cable sub-assembly (in steering column)
• Steering pad switch assembly
• Steering wheel heater control assembly
• To ground n1 (diagram 5 of 7)
• Transmission control switch
• Voltage inverter assembly
• W/ dynamic radar cruise control
• W/ navigation
• W/o navigation
• Y11
• Yaw rate sensor

Ground Distribution Wiring Diagram (5 of 7) for Lexus GS 450h 2014

List of elements for Ground Distribution Wiring Diagram (5 of 7) for Lexus GS 450h 2014:

• (w/ adaptive front lighting system) headlight swivel main switch
• A28
• A51
• B10
• Body ecu
• Clearance warning ecu
• Data link connector 3
• Driver monitor ecu
• Electric parking brake switch assembly
• From ground n6 (diagram 4 of 7)
• Headlight dimmer switch assembly
• Integration control & panel assembly
• J/c n123 (left side of dash)
• J/c n125 (left side of dash)
• Left
• Left cowl
• Left front multiplex network door ecu
• Luggage door opening switch assembly
• Main
• Multiplex tilt & telescopic ecu
• N1 (base of left kick panel)
• N13
• N31
• N35
• N36
• N37
• Ny1
• Option connector (glass breakage sensor ecu)
• Option connector (remote engine starter)
• Parking light switch assembly
• Pre-collision system cancel switch (pre-crash system cancel switch assembly)
• Q1 (right front door)
• Q18
• Q2 (left front door)
• Rear window defogger (back window glass)
• Right
• Right front multiplex network door ecu
• Shift lock control ecu
• Side j/b (left end of dash)
• Spiral cable sub-assembly (in steering column)
• Steering pad switch assembly
• Steering sensor
• Switch assembly
• T23
• T3 (top of right "c" pillar)
• Tilt steering gear w/ motor
• Tire pressure warning reset switch (tire pressure warning switch 1)
• Trip switch
• Visor assembly
• Windshield wiper
• Windshield wiper switch assembly

Ground Distribution Wiring Diagram (6 of 7) for Lexus GS 450h 2014

List of elements for Ground Distribution Wiring Diagram (6 of 7) for Lexus GS 450h 2014:

• (if equipped) security horn relay
• (left side of luggage compt) luggage room j/b 1
• (w/ 10-way seat position) left front power seat switch assembly
• (w/ 18-way seat position) left position control ecu
• (w/ power trunk opener & closer) luggage closer motor
• Ac inv relay (hv)
• Au1
• Ba2
• Back up relay
• Center stop light assembly
• Fuel pump control ecu
• J/c u52 & u53 (left "c" pillar)
• J/c d34 (under driver's seat)
• Junction terminal u56
• Left battery cooling blower assembly
• Left blind spot monitor sensor
• Left front fog light assembly
• Left front multiplex network door ecu
• Left front seat heater assembly
• Left front seat inner belt
• Left rear absorber control actuator
• Left rear combination light assembly
• Left rear door lock assembly
• Left rear door outside handle assembly
• Left rear power window regulator motor
• Left rear power window regulator switch assembly
• Left rear seat inner belt w/ center assembly
• Left seat climate control blower
• Parking brake ecu
• Power steering ecu shields
• Q19
• Qu1
• Right front fog light assembly
• Right rear combination light assembly
• Rr-ig1 rly1 relay
• Rr-ig1 rly2 relay
• Ru1
• Seat belt control ecu
• U1 (under driver's seat)
• U2 (left "c" pillar)
• U3 (left "c" pillar)
• U34
• U36
• U4 (front left side luggage compt)
• U52
• U53
• Ux2
• Ud1
• D1 (under driver's seat)
• D15

Ground Distribution Wiring Diagram (7 of 7) for Lexus GS 450h 2014

List of elements for Ground Distribution Wiring Diagram (7 of 7) for Lexus GS 450h 2014:

• (right "c" pillar) j/c t44 & t45
• (w/o power trunk opener & closer) luggage compartment door lock assembly
• (w/o security horn) theft warning siren
• Battery voltage sensor
• Console box illumination light assembly
• Door control switch
• Door unlock switch sub- assembly
• Hybrid battery junction block
• Interlock switch (service plug grip)
• J/c c34 (under front passenger's seat)
• J/c e6 (under right side of rear seat)
• Junction terminal t47 & t48
• Left license plate light assembly
• Left rear light assembly
• Left rear seat back heater assembly
• Left rear seat heater assembly
• Luggage electrical key switch
• Night view ecu
• Qt1
• Rear control switch
• Rear power outlet socket assembly 2
• Rear television camera
• Right battery cooling blower assembly
• Right blind spot monitor sensor
• Right front multiplex network door ecu
• Right front power seat switch assembly
• Right front seat heater assembly
• Right front seat inner belt
• Right position control ecu
• Right rear absorber control actuator
• Right rear door lock assembly
• Right rear door outside handle assembly
• Right rear light assembly
• Right rear power window regulator motor
• Right rear power window regulator switch assembly
• Right rear seat back heater assembly
• Right rear seat heater assembly
• Right rear seat inner belt w/ center assembly
• Right seat climate control blower
• Rt1
• Stereo component amplifier
• T1 (under front passenger seat)
• T2 (right "c" pillar)
• T32
• T34
• T4 (front right side luggage compt)
• T40
• T44
• T45
• T47
• T48
• Tire pressure warning ecu & receiver (door control & tire pressure monitoring system receiver assembly)
• Tw1
• Tc2
• Te1
• Tm1
• Vehicle approaching speaker controller
• W/ memory
• W/ night view system
• W/o night view system
• At1
• C1 (under front passenger's seat)
• Ez1