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Audi Workshop Service and Repair Manuals

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Maintaining battery charge with solar panel VAS 6102 A > < Rapid-charging battery - vehicles without battery monitor control unitJ367 or energy management control unitJ644

A4 Cabriolet Mk2

Back-up power supply of battery via battery chargerVAS 5095A, VAS 5900, VAS 5903, VAS 5904 or VAS 5906
Back-up power supply of battery via battery charger -VAS 5095A-, -VAS 5900-, -VAS 5903-, -VAS 5904- or -VAS 5906-
Back-up power supply of battery is required for example at the workshop for Fault Finding or when renewing battery.
Special tools and workshop equipment required
   
t  Battery charger -VAS 5095A- or
  W00-10177
t  Battery charger -VAS 5900- or
  W00-10182
t  Battery charger -VAS 5903-
  W00-10436
t  Battery charger -VAS 5904-
  W00-10545
t  Battery charger -VAS 5906-
Procedure
  Note
t  Information on battery chargers → Operating instructions for appropriate battery charger.
t  The following instructions describe the back-up power supply mode with battery charger -VAS 5900-.
–  Switch off ignition and take out ignition key.
–  Switch off all electrical equipment.
–  Plug in mains connector of battery charger -VAS 5900-.
l  The display shows the last mode selected.
–  Press and hold Start/Stop button for approx. 5 seconds.
l  Menu option „charging totally discharged batteries/back-up supply“ is activated.
–  Press button ↑ or ↓ to select vehicle voltage.
  Note
The battery charger -VAS 5900- returns to the main menu if no button is pressed within 5 seconds.
–  Press Start/Stop button to confirm selected battery voltage.
–  Perform preparation for back-up power supply of battery → Electrical system; Rep. gr.27.
l  Battery charger will check correct polarity of clamps.
  Caution
Risk of damage to battery charger -VAS 5900- and electronic vehicle components.
Start/Stop button must not be pressed if the battery terminal clamps are not connected correctly.
–  Press Start/Stop button to confirm correct connection of clamps.
l  Battery charger -VAS 5900- will start back-up power supply.
–  Press Start/Stop button to end back-up power supply.
–  Unplug mains connector of battery charger.
  W00-10798

Maintaining battery charge with solar panel VAS 6102 A > < Rapid-charging battery - vehicles without battery monitor control unitJ367 or energy management control unitJ644