Audi A4 Owners & Service Manuals

Audi A4: Electrical Equipment General Information

Audi A4 (B9) 2016-2025 Service Manual / Electrical System / Electrical Equipment General Information

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 Battery, Starter, Generator, Cruise Control

 Battery

Battery General Information To guarantee a long service life, the Battery -A- must be checked, serviced and maintained as described in this manual. The Battery -A- supplies the power to start the eng

 Test Sequence

Battery, Checking, Vehicles with Battery Monitoring Control Module J367 or Energy Management Control Module J644 and Data Bus On Board Diagnostic Interface J533 In certain model series the followi

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 Privacy notice

You can find information about responsibility for data protection in the MMI. Applies to: MMI: Select on the home screen: SETTINGS > General > Legal notes > About Audi connect. Image recording Surrounding area monitoring Applies to: vehicles with surrounding area monitoring Some vehicle fu

 Plenum Chamber Bulkhead, Removing and Installing

Removing - Remove the engine cover. Refer to → Engine Mechanical; Rep. Gr.10; Engine Cover; Engine Cover, Removing and Installing. - For vehicles that have a pass-through for the coolant lines through the plenum chamber bulkhead, drain the coolant. Refer to → Eng

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