Auxiliary Battery A1, Visual Inspection And Classification
WARNING: This page is about a different car, the 2024 Audi S6 and 2024 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Special tools and workshop equipment required
- Adapter Cable :VAS 5581/7
- Diagnostic Box :VAS 5581
CAUTION:
Health risk due to toxic dust and fluids.
- Never work on a lithium-ion battery with a short circuit.
CAUTION:
There is a risk of burns due to a hot lithium-ion battery.
It is possible to burn hands.
- Wear safety gloves.
Procedure
Check the Auxiliary Battery -A1- for:
- Tears in auxiliary battery housing.
- Deformation of the auxiliary battery housing.
- Changes in color due to temperature effects and housing discoloration.
- Leaking electrolyte.
- Contact damage.
- Presence of legible information and warning labels.
- Corrosion damage.
-- After the visual inspection, perform a classification of the auxiliary battery. Refer to Diagnostic Entries .
Conditions
- With the auxiliary battery removed, use the Diagnostic Box :VAS 5581 with the Adapter Cable :VAS 5581/7 .
- Connect the black terminal on the Adapter Cable :VAS 5581/7 to the negative terminal on the auxiliary battery.
- The CAN bus terminating resistor on the Diagnostic Box :VAS 5581 is preset to 120 Ohm and must not be changed.