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Audi A4 Allroad Quattro B9 (2016–2020) wiring diagrams

List of systems:

Automatic a/c circuit, w/ climatronic Automatic a/c circuit, w/o climatronic

Anti-lock brakes circuit

Access/start circuit Forced entry circuit

Comfort system central control module circuit Steering column electronic systems control module circuit Vehicle electrical system control module circuit

Computer data lines circuit

Cooling fan circuit

Cruise control circuit

Heated windshield circuit Rear defogger & heated mirrors circuit

Active steering control module circuit Electromechanical power steering circuit

Electronic suspension circuit

Wiring diagram engine performance 2.0l turbo, engine controls circuit Wiring diagram engine performance 2.0l turbo, structure borne sound actuator circuit

Backup lamps circuit Exterior lamps circuit

Ground distribution circuit

Headlights circuit, w/ hid Headlights circuit, w/o hid & matrix beam Headlights circuit, w/o hid w/ matrix beam

Horn circuit

Instrument cluster circuit

Courtesy lamps circuit Instrument illumination circuit

Memory mirrors circuit Memory seat circuit

Emergency call circuit Lane change assistance circuit Lane departure warning circuit Navigation circuit Parking assistant circuit, w/o parallel parking Parking assistant circuit, w/ parallel parking Peripheral camera circuit Rear camera circuit

Power distribution circuit

Power door locks circuit

Automatic day/night mirror circuit Power mirrors circuit

Heated seats circuit, w/o ventilation Heated seats circuit, w/ ventilation Heated steering wheel circuit Lumbar circuit Power seats circuit

Power top/sunroof circuit

Power windows circuit

Most data bus circuit Radio circuit, w/ bang & olufsen sound Radio circuit, w/ navigation Radio circuit, w/o navigation Rear seat entertainment circuit Tv tuner circuit

Shift interlock circuit Steering column circuit

Charging circuit Starting circuit

Supplemental restraints circuit

A/t circuit Awd circuit, w/o torque vectoring Awd circuit, w/ torque vectoring

Trunk & fuel door release circuit

Brake wear sensor circuit Tire pressure monitoring circuit

Jet heater circuit Wiper/washer circuit

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