GROUND DISTRIBUTION – Lexus IS 250C 2012 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 6) for Lexus IS 250C 2012

List of elements for Ground Distribution Wiring Diagram (1 of 6) for Lexus IS 250C 2012:

• (3.5l) smog ventilation sensor
• A/f relay
• A1 (left rear of engine compt)
• A2 (left rear of engine compt)
• A3 (left rear of engine compt)
• Ae1
• B1 (right front of engine compt)
• B2 (left front of engine compt)
• Brake actuator assembly
• Brake fluid level warning switch
• Brake pedal load sensing switch
• Cooling fan motor
• Efi 2 relay
• Efi main relay
• Engine control module
• Engine hood courtesy switch
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Except hid type
• Fan 2 relay
• Front controller
• Front wiper deicer (windshield glass)
• Headlamp cleaner control relay
• Headlight swivel ecu assembly
• Hid type
• Ig2 relay
• Junction connector a15
• Junction connector a20 (left end of dash)
• Junction connector a9 (left side of engine compt)
• Left front fog light assembly
• Left headlamp assembly
• Level warning switch assembly
• Right front fog light assembly
• Right headlamp assembly
• St cut relay
• W/ magnet clutch compressor assembly
• Windshield washer motor & pump assembly
• Windshield wiper motor assembly
• Wireless door lock buzzer

Ground Distribution Wiring Diagram (2 of 6) for Lexus IS 250C 2012

List of elements for Ground Distribution Wiring Diagram (2 of 6) for Lexus IS 250C 2012:

• (a/t) transmission control switch
• (w/ dynamic radar cruise control) distance control ecu
• (w/ dynamic radar cruise control) millimeter wave radar sensor
• (w/ navigation) display & navigation module display
• 2.5l
• A10
• Ae1
• Air fuel ratio sensor (bank 1 sensor 1) shield
• Air fuel ratio sensor (bank 2 sensor 1) shield
• Aq1
• Ba2
• C1 (front of engine)
• Canister pump module
• Crankshaft position sensor shield
• Direct fuel injector assembly 1 shield
• Direct fuel injector assembly 2 shield
• Direct fuel injector assembly 3 shield
• Direct fuel injector assembly 4 shield
• Direct fuel injector assembly 5 shield
• Direct fuel injector assembly 6 shield
• Dlc 3
• E1 (left rear of engine)
• E2 (right rear of engine)
• Engine control module
• Engine oil level sensor
• H1 (front of engine)
• Heated oxygen sensor (bank 1 sensor 2) shield
• Heated oxygen sensor (bank 2 sensor 2) shield
• I1 (front of engine)
• Ignition coil 1 assembly
• Ignition coil 2 assembly
• Ignition coil 3 assembly
• Ignition coil 4 assembly
• Ignition coil 5 assembly
• Ignition coil 6 assembly
• Inj relay shield
• J24
• J3 (under center console)
• J60
• J65
• J95
• Ja3
• Junction connector a10 & e1 (left side of engine compt)
• Junction connector j70 (right side of dash)
• Knock control sensor (bank 1) & (bank 2) shield
• Nca
• P27
• P3 (right side of trunk)
• Power steering motor shield
• Radio receiver assembly
• Spill control valve shield
• Spiral cable
• Stereo component amplifier assembly
• W/ magnet clutch compressor assembly
• W/ navigation
• W/o navigation
• Ze1
• Ze2

Ground Distribution Wiring Diagram (3 of 6) for Lexus IS 250C 2012

List of elements for Ground Distribution Wiring Diagram (3 of 6) for Lexus IS 250C 2012:

• A10
• A31
• A4 (right rear of engine compt)
• A5 (right rear of engine compt)
• Acc relay
• Center air bag sensor assembly
• Cigarette lighter assembly
• Combination meter assembly
• Cooling unit motor sub-assembly w/ fan
• D11
• D17
• Engine room r/b 1 (right rear of engine compt)
• Engine switch
• Id code box
• J34
• J4 (right kick panel)
• J47
• Jr2
• Junction connector j71 (right side of dash)
• Junction connector j80 (right side of dash)
• K10
• Left vanity light assembly
• Luggage door opening cancel switch assembly
• Luggage door opening switch assembly
• Main body ecu
• Map light assembly
• Nca
• Noise filter (ghost buster)
• Power source control ecu
• Power steering ecu assembly
• Power tilt motor (steering column assembly)
• Pwr point relay
• Rh-ig1 relay
• Right cowl side j/b (right end of dash)
• Right vanity light assembly
• Starter relay
• Steering lock actuator assembly
• To ground j2 (diagram 4 of 6)

Ground Distribution Wiring Diagram (4 of 6) for Lexus IS 250C 2012

List of elements for Ground Distribution Wiring Diagram (4 of 6) for Lexus IS 250C 2012:

• (a/t) shift lock control ecu sub- assembly
• A/c amplifier assembly
• A/t
• Center air bag sensor assembly
• Clock assembly
• Combination meter assembly
• Console box illumination light assembly
• D12
• Dcm (telematics transceiver)
• Dlc 3
• From right cowl side j/b (diagram 3 of 6)
• Front wiper deicer switch
• Glove box light assembly
• Integration control & panel assembly
• J1 (left kick panel)
• J101
• J2 (under center console)
• J26
• J34
• J47
• J58
• Jr1
• Junction connector j27 (left side of dash)
• Junction connector j70 (right side of dash)
• Left cowl side j/b (left end of dash)
• Left main body ecu
• Left roof close switch
• Lh-ig1 relay
• Lh-ig2 relay
• M/t
• Multiplex tilt & telescopic ecu
• Network gateway ecu
• Pattern select switch assembly 1
• Right roof close switch
• Satellite switch
• Seat heater switch
• Sliding roof switch assembly
• Steering lock actuator assembly
• Steering sensor
• Stop light control relay
• Throttle position switch assembly
• Tire pressure warning ecu & receiver
• Turn signal flasher assembly
• Vsc off switch
• W/ navigation
• W/o navigation
• Windshield wiper switch assembly
• Yaw rate sensor

Ground Distribution Wiring Diagram (5 of 6) for Lexus IS 250C 2012

List of elements for Ground Distribution Wiring Diagram (5 of 6) for Lexus IS 250C 2012:

• (left side of trunk) luggage room r/b
• (w/ memory) left outer mirror control ecu assembly
• (w/ parking assist) clearance warning ecu assembly
• Back window lock assembly
• Center stop light assembly
• Defog relay
• Early production only
• Fuel lid w/ motor lock assembly
• Fuel pump
• J/c u11 (under driver's seat)
• Junction connector u11 (under driver's seat)
• Left front door electrical key oscillator
• Left front door lock assembly
• Left front position control ecu & switch assembly
• Left front power seat slide switch assembly
• Left front power seat switch
• Left front power window regulator switch assembly
• Left front seat inner belt assembly
• Left front seat lumbar support power seat switch
• Left license plate light assembly
• Left luggage compartment door hinge assembly
• Left outer rear view mirror assembly
• Left quarter power window regulator motor assembly
• Left rear combination light assembly
• Left rear light assembly
• Left roof panel strength sub assembly 2
• Left seat back climate control blower
• Left seat cushion climate control blower
• Left seat heater control sub- assembly
• Left slide roof motor assembly
• Luggage compartment door lock assembly
• Luggage electrical key switch
• M1 (driver's door)
• M10
• Mq1
• Noise filter
• Noise filter (defogger)
• Outer mirror switch assembly
• Package tray trim hinge 1
• Package tray trim hinge 2
• Q1 (left "b" pillar)
• Q2 (left side of trunk)
• Q33
• Q34
• Q35
• Q36
• Q43
• Qf1
• Qg1
• Qh1
• Rear window defogger (back door glass)
• Right rear combination light assembly
• Right rear light assembly
• Sliding roof control assembly
• U1 junction connector q7 & u1 (under driver's seat)
• W/ climate control seat
• W/ memory
• W/o memory
• Om1

Ground Distribution Wiring Diagram (6 of 6) for Lexus IS 250C 2012

List of elements for Ground Distribution Wiring Diagram (6 of 6) for Lexus IS 250C 2012:

• (if equipped) occupant detection ecu
• (w/ memory) right outer mirror control ecu assembly
• Certification ecu assembly
• Door control receiver
• Junction connector t11 (front passenger's seat)
• Junction connector t14 (under front passenger's seat)
• L1 (center of trunk)
• L10
• Lp1
• P1 (right side of crossmember)
• P2 (right rear of vehicle)
• P48
• P54
• P55
• P59
• Package tray trim bracket
• Power outlet socket assembly
• Pt1
• Pt2
• Pe1
• Right front door electrical key oscillator
• Right front door lock assembly
• Right front lumbar power seat switch
• Right front power seat slide switch assembly
• Right front power seat switch
• Right front power window regulator switch assembly
• Right front seat inner belt assembly
• Right front seat position control ecu & switch assembly
• Right luggage compartment door hinge assembly
• Right outer rear view mirror assembly
• Right quarter power window regulator motor assembly
• Right roof panel strength sub assembly
• Right seat back climate control blower
• Right seat cushion climate control blower
• Right seat heater control sub- assembly
• Right side roof motor assembly
• Right slide roof motor assembly
• Roof front lock switch
• Seat belt control ecu
• Sliding roof control ecu assembly
• W/ climate control seat
• W/ memory
• W/o memory
• Nl1