Spark Test
WARNING: This page is about a different car, the 2002 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.
All engines are equipped with a single-coil system with individual coils mounted directly to spark plug connector for each cylinder. No spark testing procedure is available from manufacturer. If problem with ignition system is suspected, check for misfire Diagnostic Trouble Code (DTC) stored in ECM.