Audi A4: Electrical Equipment General Information
Audi A4 (B9) 2016-2025 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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Thorax Airbags
Overview - Front Thorax Airbag
1 - Front Thorax Airbag
With
Driver Thorax Airbag Igniter -N199-
Front Passenger Thorax Airbag Igniter -N200-
WARNING
Risk of injury due to involuntary deployment.
Pay attention to the safety precautions when working with
pyrotechnic compone
Component Location Overview - Telephone System
1 - Center Console Storage Compartment
Removing and installing. Refer to
→ Body Interior; Rep. Gr.68; Center Console; Overview - Center Console.
2 - Telephone Baseplate -R126-
Removing and installing. Refer to
→ Chapter "Telephone Baseplate -R126-,
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