Battery Support Mode, with Battery Charger

Battery Support Mode, with Battery Charger

The battery support mode is needed, for example, when taking breaks from fault finding in the workshop or when replacing the battery.

Special tools, testers and auxiliary items required

• Battery Charger (VAS 5095A) or

• Battery Charger (VAS 5900) or

• Battery Charger (VAS 5903) or

• Battery Charger (VAS 5904) or

• Battery Charger (VAS 5906)

Procedure

• For more information regarding the battery charger, refer to the operating instructions that came with the charger.

• In the following, the battery support mode is described as an example for battery charger (VAS 5900).

- Turn off the ignition and remove ignition key.

- Turn off all electrical consumers.

- Connect the battery charger electrical system connector.

• The last selected operating mode appears on the display.

- Press the Start/Stop button for approximately 5 seconds.

• The menu selection "Charging severely discharged batteries/Support mode" is activated.

- Press button [Up Arrow] or [Down Arrow] in order to adjust the vehicle electrical system.

• If no button is pressed within 5 seconds, the (VAS 5900) switches back to the main menu.

- Confirm selected battery voltage with Start/Stop button.

- Perform the battery support mode prep work.

• The charging clips are checked for connection to correct poles.


Risk of damaging the (VAS 5900) and vehicle electronic components.

• If the battery terminal clamps are connected incorrectly, the Start/Stop button must not be pressed.

- Confirm charging clips are connected to correct poles via Start/Stop.

• The (VAS 5900) starts the support mode.

- To end support mode, press the Start/Stop button.

- Disconnect the battery charger electrical system connector.