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Ground Distribution — Lexus IS 250 2008 Wiring Diagram

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 7) for Lexus IS 250 2008

List of elements for Ground Distribution Wiring Diagram (1 of 7) for Lexus IS 250 2008:

(if equipped) headlamp cleaner control relay
(w/ adaptive front lighting) headlamp swivel ecu
A/c compressor
A/f relay
A1 (left rear of engine compt)
A2 (left rear of engine compt)
A27
A3 (left rear of engine compt)
A31
A35
A4 (right rear of engine compt)
A5 (right rear of engine compt)
Blower motor
Brake actuator
Brake fluid level warning switch
Brake pedal load sensing switch
Efi 2 relay
Efi main relay
Engine control module
Engine room j/b 2 (left side of engine compt)
Engine room r/b 2 (left side of engine compt)
Fan 2 relay
Front controller
Ig2 relay
J78
Junction connector a15
Junction connector a20 (upper left kick panel)
Junction connector a9 (left side of engine compt)
Power steering ecu
Skid control ecu
Skid control ecu w/ actuator
St cut relay
W/ vehicle dynamics integrated management
W/o vehicle dynamics integrated management
Water level warning switch
Windshield washer motor
Windshield wiper motor
Wireless door lock buzzer

Ground Distribution Wiring Diagram (2 of 7) for Lexus IS 250 2008

List of elements for Ground Distribution Wiring Diagram (2 of 7) for Lexus IS 250 2008:

(w/ dynamic radar cruise control) distance control ecu
(w/ dynamic radar cruise control) millimeter wave radar sensor
A/c compressor
A10
Air fuel ratio sensor (bank 1 sensor 1) shield
Air fuel ratio sensor (bank 2 sensor 1) shield
Canister pump module
Crankshaft position sensor shield
Data link connector 3
E1 (left rear of engine)
E2 (right rear of engine)
Engine control module
Engine oil level sensor
Heated oxygen sensor (bank 1 sensor 2) shield
Heated oxygen sensor (bank 2 sensor 2) shield
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Inj relay shield
J24
Junction connector a10 & e1 (e1: left side of engine compt)
Junction connector j70 (behind right side of dash)
Knock sensor shield
Nca
Spill control valve shield
Spiral cable
Transmission control switch

Ground Distribution Wiring Diagram (3 of 7) for Lexus IS 250 2008

List of elements for Ground Distribution Wiring Diagram (3 of 7) for Lexus IS 250 2008:

(on front center of roof) overhead j/b
(w/ 4wd) 4wd control ecu
(w/ navigation) multi- display
(w/ vehicle dynamics integrated management) skid control ecu
A10
Acc relay
Air bag sensor assembly center
Body ecu
Cigarette lighter
Combination meter
D11
D17
Defog relay
Engine room j/b 1 (right rear of engine compt)
Id code box
J34
J4 (right kick panel)
J47
J50
J78
Junction connector j71 (behind right side of dash)
Junction connector j80 (at right kick panel)
K10
Left vanity lamp switch
Luggage compartment door opener switch
Luggage compartment door opener switch (main)
Noise filter
Noise filter (ghost buster)
Power source control ecu
Power switch
Pwr point relay
Rh-ig1 relay
Right cowl side j/b (at right end of dash)
Right vanity lamp switch
Starter relay
Steering lock ecu
Tilt motor (w/ tilt & power telescopic steering)
To j2 (diagram 4 of 7)

Ground Distribution Wiring Diagram (4 of 7) for Lexus IS 250 2008

List of elements for Ground Distribution Wiring Diagram (4 of 7) for Lexus IS 250 2008:

(2wd) traction control switch
(a/t) electronically controlled transmission pattern select switch
(a/t) shift lock control ecu
(if equipped) rear sunshade switch
(if equipped) sliding roof control ecu
(if equipped) tilt & telescopic ecu
(m/t) etcs snow switch
(w/ navigation) clock assembly
(w/ navigation) overhead j/b shield
(w/o navigation) integration control & panel assembly
A/c amplifier
Air bag sensor assembly center
Body ecu
Cigarette lighter
Combination meter
Console box lamp
D12
Data link connector 3
From right cowl side j/b (diagram 3 of 7)
Gateway ecu
Glove box lamp
J1 (left kick panel)
J2 (under center console)
J26
J34
J47
J58
Junction connector j27 (behind left side of dash)
Junction connector j70 (behind right side of dash)
Left cowl side j/b (at left end of dash)
Lh-ig1 relay
Lh-ig2 relay
Nca
Satellite switch
Seat heater switch
Steering lock ecu
Steering sensor
Tire pressure warning ecu & receiver
Turn signal flasher
Windshield wiper switch assembly
Yaw rate sensor

Ground Distribution Wiring Diagram (5 of 7) for Lexus IS 250 2008

List of elements for Ground Distribution Wiring Diagram (5 of 7) for Lexus IS 250 2008:

(if equipped) rear sunshade relay
(w/ memory seat) left outer mirror control ecu
(w/ memory seats) left front seat position control ecu & switch
(w/ memory)
(w/ parking assist) clearance warning ecu
(w/ power seats)
(w/o memory seats) left front seat power seat switch
(w/o power seats)
Center stop lamp
Fuel lid opener motor
Fuel suction pump & gauge assembly
Junction connector q35 (above left rear wheelwell)
Junction connector q7, u1 & v2 (q7: under left front seat) (except q7: under driver's seat)
Junction connector u11 (under driver's seat)
Left front door electrical key oscillator
Left front door lock assembly
Left front seat back climate control blower
Left front seat cushion climate control blower
Left front seat inner belt
Left front seat lumbar support power seat switch
Left license plate lamp
Left outer rear view mirror
Left rear combination lamp
Left rear door lock assembly
Left rear power window switch
Left seat heater
Luggage compartment door lock cylinder
Luggage door lock assembly
Luggage electrical key switch
M10
Outer mirror switch
Power window master switch
Q1 (near left "b" pillar)
Q2 (left side of trunk)
Right rear combination lamp
Seat belt control ecu
W/ power seats
W/o power seats

Ground Distribution Wiring Diagram (6 of 7) for Lexus IS 250 2008

List of elements for Ground Distribution Wiring Diagram (6 of 7) for Lexus IS 250 2008:

(if equipped) occupant classification ecu
(w/ climate control seat right front seat back climate control blower
(w/ climate control seat right front seat cushion climate control blower
(w/ climate control seat right seat heater
(w/ memory seats) right front seat position control ecu & switch
(w/ memory seats) right outer mirror control ecu
(w/ power seat)
(w/ power seat) right front seat lumbar support control power seat switch
(w/o memory seats) right front seat power seat switch
(w/o power seats) right seat heater
Certification ecu
Door control receiver
Door lock control switch
Junction connector p26 (right side of trunk)
Junction connector t11 (in right front seat)
Junction connector t14 (under right front seat)
L10
P1 (right side of crossmember)
P19
P2 (right rear of vehicle)
Power outlet socket
Rear window defogger
Right front door electrical key oscillator
Right front door lock assembly
Right front power window switch
Right front seat inner belt
Right outer rear view mirror
Right rear door lock assembly
Right rear power window switch
W/ occupant classification
W/ power seat & w/o climate control seat
W/o occupant classification

Ground Distribution Wiring Diagram (7 of 7) for Lexus IS 250 2008

List of elements for Ground Distribution Wiring Diagram (7 of 7) for Lexus IS 250 2008:

(3.5l) smog ventilation sensor
B1 (right front of engine compt)
B2 (left front of engine compt)
C1 (front of engine)
Cooling fan motor 1
Engine hood courtesy switch
Fuel injectors shield
H1 (front of engine)
I1 (front of engine)
J3 (in center console)
J66
Left front fog lamp
Left headlamp assembly
Nca
P27
P3 (right side of trunk)
Power steering motor shield
Radio receiver assembly
Right front fog lamp
Right headlamp assembly
Stereo component amplifier
Stereo jack adapter shield
W/ hid type

GROUND DISTRIBUTION – Lexus IS 250 2008 – SYSTEM WIRING DIAGRAMS