Audi A4: Battery, Starter, Generator, Cruise Control
Audi A4 (B9) 2016-2025 Service Manual / Electrical System / Electrical Equipment General Information / Battery, Starter, Generator, Cruise Control
- Battery
- Test Sequence
- Visual Inspection
- Battery Tester -VAS6161-
- Battery Tester with Printer -VAS5097A-
- Current Draw Test
- Battery Charger -VAS5095A-
- Battery Charger -VAS5900-
- Battery Charger -VAS5900- Service Charge
- Battery Charger -VAS5900- Support Mode
- Battery Charger -VAS5903-
- Refresh Charging with Battery Charger -VAS5903-
- Battery Charger -VAS5903- Support Mode
- Battery Charger -VAS5906-
- Solar Battery Maintainer -VAS6102A-
- Generator
- Voltage Regulator, Bosch Generator from 2001, Removing and Installing
- Voltage Regulator, Valeo Generator from 2001, Removing and Installing
- Ribbed Belt Pulley without Freewheel, Removing and Installing
- Special Tools
READ NEXT:
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
Visual Inspection
WARNING
Risk of injury. Follow all warning messages and
safety precautions. Refer to
→ Chapter "Warnings and Safety Precautions".
Before any extensive measurements are taken, visuall
SEE MORE:
Expansion Valve
The expansion valve atomizes the streaming refrigerant and
controls the flow quantity so that the vapor is gaseous only at
the evaporator outlet, depending on the heat transmission.
Note
Be sure to use the correct part number when replacing the
expansion valve. Refer to the Parts Catalo
Software update
Introduction
Applies to: vehicles with software update
You can update your vehicle's software.
The functions depend on the country and vehicle
equipment:
Update through the online system update
Map material update for the navigation system
Have the software update performed by an authorized
Aud
© 2019-2025 Copyright www.audia4b9.com
