Example 3 Audi S8 D2 рестайлинг 2

Example 3

Using the DTCs stored in the memories, you have determined that none of the control modules are sending or receiving signals.

1. Switch ignition off.
2. Disconnect the control modules connected across the bus lines and check the bus lines for an open circuit. See appropriate System Wiring Diagram article.

1. Check the bus lines for short circuit to B+ or Ground (GND).