Battery -A-, CHARGING

WARNING: This page is about a different car, the 2024 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.

Procedure

CAUTION:

Risk of explosion due to discharged battery with "visual indicator".

Severe injury is possible.

- If the display of the "visual indicator" is colorless or light yellow, do not check, charge or jump start the battery.

- Replace the battery.

TIP:

It is recommended that the battery is charged when installed and connected. This is the only way to ensure the charge current is incorporated into the capacity calculation for the Battery Monitoring Control Module -J367-.

Before the battery charger can be connected, the following preliminary work is necessary:

Vehicles with 12 V System (VH0):

Courtesy of AUDI OF AMERICA, LLC

-- Turn off the ignition and all electrical equipment.

-- Open the cover -1- by releasing the catch.

-- Connect the red charging clamp "+" from the battery charger to the positive terminal -2- and connect the black charging clamp "-" to the negative terminal -3-.

-- Connect the battery charger electrical system connector and turn on the battery charger. Refer to Battery, Charging .

Vehicles with 48V System (VH2):

Courtesy of AUDI OF AMERICA, LLC

-- Turn off the ignition and all electrical equipment.

-- Open the cover -1- by releasing the catch.

-- Connect the red charging clamp "+" from the battery charger to the positive terminal -2- and connect the black charging clamp "-" to the negative terminal -3-. Connect the black charging clamp "-" to the tower brace if the negative terminal -3- is not accessible.

-- Connect the battery charger electrical system connector and turn on the battery charger. Refer to Battery, Charging .