Audi Q5: Battery Charger -VAS5095A- Support Mode
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 Battery Charger -VAS5095A- 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 → Chapter "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.
Special tools and workshop equipment required
- Battery Charger -VAS5095A-
Procedure
Caution
- The polarity protection of the charger clamps is not active in the operation mode "charging severely discharged batteries/Support mode". Connect the charger clamps to the battery terminals correctly according to polarity!
- It can result in sparks due to short circuit.
- This constitutes an explosion risk.
- Make sure the charging clamp connections are secure.
- Remove the Battery -A-. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Removing and Installing.
Caution
Whenever the Battery -A- is removed, be careful to prevent contact between the connected charge clamp on the positive terminal and the body ground. Likewise prevent contact between the battery terminals.
- Clamp the red charging clamp (+) to the vehicle positive battery terminal.
Note
On vehicles with a Start/Stop function and an installed Battery Monitoring Control Module -J367-, the black charge terminal (-) must be connected to the body ground. The Start/Stop system will malfunction when it is connected to the Battery -A- negative terminal.
- Attach the black charging clamp (-) to the vehicle battery negative terminal.
- Check the setting for the support mode/standard operation switch. Refer to → Chapter "Battery Charger -VAS5095A- Device Description". It must be set to "support mode".
- Check correct polarity connection of charger clamps.
- Switch on the Battery Charger -VAS5095A-. Refer to → Chapter "Battery Charger -VAS5095A- Device Description".
The Battery Charger -VAS5095A- starts the support mode.
End the Battery Support Mode
- Switch off the Battery Charger -VAS5095A-. Refer to → Chapter "Battery Charger -VAS5095A- Device Description".
- Remove the charging clamps from the battery terminals.
- Disconnect the Battery Charger -VAS5095A- from the power.
Battery Charger -VAS5095A- Maintenance Charging
WARNING
Risk of injury. Follow all warning messages and safety precautions. Refer to → Chapter "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.
In maintenance charging, the Battery Charger -VAS5095A- provides safe charging and preserves the charge of the Battery -A-.
Procedure
- Proceed as if charging the Battery -A-. Refer to → Chapter "Battery, Charging with Battery Charger -VAS5095A-".
If the Battery -A- is discharged by an electrical consumer during maintenance charging, the Battery Charger -VAS5095A- automatically supplies the appropriate charge.
Maintenance charging can be performed without time restrictions. The Battery -A- can be used constantly.
