Battery Support Mode With (VAS 5903)

Battery Support Mode With (VAS 5903)

Special tools, testers and auxiliary items required

• Battery Charger VAS 5903 (VAS 5903)

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

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 of (VAS 5900).

- Switch off ignition and remove ignition key.

- Turn off all electrical consumers.

- Connect the battery charger electrical system connector (VAS 5900).

• 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 the [Up Arrow] button or the [Down Arrow] button 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 assistance mode.

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

- Disconnect the battery charger electrical system connector.