Audi Workshop Service and Repair Manuals

• ‒ Connect fault reader V.A.G 1551 (V.A.G 1552) and select the engine electronics control unit using "Address word" 01. For this purpose the engine must be running at idling speed.
  (Connecting fault reader and selecting engine electronics control unit .)

Only if engine does not start:

• ‒ Interrogate fault memory with ignition switched on.

• ‒ Press keys 0 and 2 for "Interrogate fault memory" function and press Q key to confirm entry.

If no fault is stored:

• ‒ Press the ⇒key.

If one or more faults are stored:

The stored faults are displayed and printed out one after the other.
The display then shows the following:

• ‒ Locate and eliminate faults listed on printout as per fault table => Page 01-7.
• ‒ Press keys 0 and 5 for the "Erase fault memory" function and press the Q key to confirm entry.

Note:

If the ignition is switched off between interrogating the fault memory and erasing the fault memory, then the fault memory will not be erased.

• ‒ Press the ⇒key.

• ‒ Press keys 0 and 6 for the "End output" function and press the Q key to confirm entry.