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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Electrical >> Charging Systems >> Charging System (Battery, Starter And Generator) & Cruise Control (2 Of 2) >> 27 Starter, Generator And Cruise Control >> Battery, Charging >> Battery Charger :VAS5095A >> Battery Charger :VAS5095A SUPPORT MODE >> Procedure

Battery Charger :VAS5095A SUPPORT MODE: 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 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 Battery Charger . It must be set to "support mode".

-- Check correct polarity connection of charger clamps.

-- Switch on the :VAS5095A  . Refer to Battery Charger .

The :VAS5095A  starts the support mode.

End the Battery Support Mode

-- Switch off the :VAS5095A  . Refer to Battery Charger .

-- Remove the charging clamps from the battery terminals.

-- Disconnect the :VAS5095A  from the power.