Make sure you have a clear overall picture of what’s actually happening using function diagrams and flow charts, then zero-in with a process of elimination and XENTRY.
Engineers have provided us with self-diagnostic capability and access with a VAG 5052. But what do we do when the vehicle will not communicate with us?
Working on Controller Area Networks (CAN) may sound daunting, but here’s the information to help you understand how to service these advanced communication systems.