A6 Quattro Wagon V6-3.2L (BKH) (2006)
1. Use a direct current supply to check the compressor for the self-leveling system.
2. See the current flow diagram for the locations of the relay and the compressor.
3. Check the relay J403 of the compressor for the self-leveling system.
4. Open the relay and assess the contacts. Compare them with the contacts of Figures 1 to 3.
Is the wear is similar, or are there burn marks in the housing?
If the relay resembles Figures 1 to 3, replace the compressor and relay J403 for the self-leveling system.