Audi Workshop Service and Repair Manuals > A4 Mk1 > Power unit | TDI injection and glow plug system (6-cyl.) | Self diagnosis, V.A.G Inspection Service

Interrogating and erasing fault memory

Note

The fault memory must always be interrogated before being erased!

–	Connect up the vehicle diagnosis and service information system -VAS 5052- and select vehicle system “Engine electronics”. When doing this, the engine must be running at idling speed.

Note

If the engine does not start, turn the engine over for at least 5 seconds using the starter. After doing this, do NOT switch off the ignition.

Display on tester:

–	From list -1-, select diagnostic function “Interrogate fault memory”.

Display on tester:

1 -	Content of fault memory:

r -	0 faults detected

r -	X faults detected

2 -

Fault

r -	Fault code

r -	Fault location

r -	Type of fault

A - If faults are detected:

–	Print out information on screen or self-diagnosis log.

–	Terminate function “Interrogate fault memory” by touching ▾ button.

Display on tester:

–	Eliminate fault(s) according to fault table → Chapter.

–	Select diagnostic function “Interrogate fault memory” again in list and erase fault memory.

–	Select diagnostic function “End output”.

B - If no faults are detected:

–	Select diagnostic function “End output”.

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