Battery Charger :VAS5903 SUPPORT MODE: Notes
WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools And Workshop Equipment Required
- Battery Charger:VAS5903
General Information
The support mode provides the vehicle electrical system with voltage when the Battery -A- is removed or disconnected.
For more information. Refer to the :VAS5903 Operating Instructions.
The support mode is used for the following situations:
- Vehicle electrical system support mode with the Battery -A- not installed
- Maintaining the voltage when the battery is being replaced
- Systems test without the Battery -A-
WARNING:
Risk of injury. Follow all warning messages and safety precautions. Refer to WARNINGS AND SAFETY PRECAUTIONS .
WARNING:
Do not check or charge a Battery -A- when the visual indicator has >>no color or is bright yellow<<. Jump starting must not be used!
There is a risk of explosion during testing, charging or jump starting.
These Batteries -A- must be replaced.