Audi A4: Electrical Equipment General Information
Audi A4 (B9) 2016-2026 Service Manual / Electrical System / Electrical Equipment General Information
- Battery, Starter, Generator, Cruise Control
- Windshield Wiper/Washer System
- Exterior Lights, Switches
- Interior Lights, Switches
- Wiring
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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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Rear Lid Closing Assist Motor -V382-, Removing and Installing
TIP
The procedure only refers to the Avant.
Removing
- Remove the rear lid lower trim panel. Refer to
→ Body Interior; Rep. Gr.70; Luggage Compartment Trim Panels;
Rear Lid Lower Trim Panel, Removing and Installing.
- Disengage the support bracket -7-
by releasing the c
Shock Absorber Leaks
Vehicles with Coil Springs
Shock absorbers are frequently rejected and replaced because
of leaks. Examinations on the test stand and on the vehicle have
shown that the replacement of a large number of rejected shock
absorbers was not justified.
Slight leaking of oil ("sweating") at piston rod sea
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