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Audi A4 B8 (2007–2012) wiring diagrams

List of systems:

Automatic a/c circuit, basic Automatic a/c circuit, comfort

Anti-lock brakes circuit

Anti-theft 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

Defoggers circuit

Active steering control module circuit Power steering column circuit

Electronic suspension circuit

Wiring diagram engine performance 2.0l turbo

Backup lamps circuit Exterior lamps circuit, sedan Exterior lamps circuit, wagon

Ground distribution circuit

Headlights circuit, with bi-xenon with cornering headlights Headlights circuit, with bi-xenon without cornering headlights Headlights circuit, without bi-xenon headlights

Horn circuit

Front information display control module circuit, basic Front information display control module circuit, high Instrument cluster circuit

Courtesy lamps circuit Instrument illumination circuit

Memory systems circuit

Lane departure warning circuit Navigation circuit, mmi 2 basic Navigation circuit, mmi 2 standard Navigation circuit, mmi 3 basic Navigation circuit, mmi 3 premium Navigation circuit, mmi 3 standard Parking assistant circuit Rear camera circuit

Power distribution circuit

Power door locks circuit

Automatic day/night mirror circuit, with humidity sensor Automatic day/night mirror circuit, without humidity sensor Power mirrors circuit

Front seat heater circuit, with memory seats with ventilation Front seat heater circuit, without memory seats with ventilation Front seat heater circuit, without ventilation Lumbar circuit Power seats circuit Rear seat heater circuit

Power top/sunroof circuit, without roof blind Power top/sunroof circuit, with roof blind

Power windows circuit

Most data bus circuit, mmi 2 Most data bus circuit, mmi 3 Multimedia interface circuit Radio circuit, basic infotainment Radio circuit, mmi 2 basic Radio circuit, mmi 2 standard Radio circuit, mmi 3 basic Radio circuit, mmi 3 premium Radio circuit, mmi 3 standard Radio circuit, premium infotainment Radio circuit, standard infotainment

Park brake release circuit Shift interlock circuit Steering column circuit

Charging circuit Starting circuit

Supplemental restraints circuit

A/t circuit, 6 speed a/t A/t circuit, with cvt A/t circuit, with direct shift Awd circuit

Trunk & fuel door release circuit

Brake wear sensor circuit Tire pressure monitoring circuit

Jet heater circuit Wiper/washer circuit

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