A6 Quattro Sedan V8-4.2L (ART) (2000)
Example 2:
From the malfunctions present in the DTC memories, you can see that control module 2 has no connection to control modules 1 or 3.
Control
Malfunctions present
module
in DTC memory:
1
- No message from control module 2
2
- No message from control module 1
- No message from control module 3
3
- No message from control module 2
-
Switch ignition off.
-
Disconnect control modules which are linked by bus wires and check whether there is an open circuit in one of the bus wires
-
If no malfunction can be identified in bus wires replace control module 2.
Example 3:
From the malfunctions present in the DTC memories, you can see that none of the control modules are able to transmit or receive signals.
Control
Malfunctions present
module
in DTC memory:
1
- Data Bus Power train Malfunction
2
- Data Bus Power train Malfunction
3
- Data Bus Power train Malfunction
-
Switch ignition off.