Audi A4 Owners & Service Manuals

Audi A4: Electrical Equipment General Information

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

READ NEXT:

 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

SEE MORE:

 Refrigerant R134a Characteristics

Commercial Names and Designations Refrigerant R134a is currently available under the following trade names: H-FKW 134a SUVA 134a KLEA 134a   Note Different trade names may be used in other countries. Of the wide range of refrigerants available, this is the only one which may be used

 Front Seat, Removing and Installing

Front Seat, Removing and Installing Special tools and workshop equipment required Universal Vehicle Protector -VAS871001- Airbag Lockout Adapter -VAS6282- Removing   WARNING Risk of injury due to involuntary deployment. Pay attention to the safety precautions when working with pyrotech

© 2019-2025 Copyright www.audia4b9.com