Audi Workshop Service and Repair Manuals

Note:

Vehicle system tester V.A.G 1552 can be used instead of fault reader V.A.G 1551. However, printouts cannot be made.

• ‒ Connect fault reader V.A.G 1551 (V.A.G 1552) and select the engine electronics control unit with the "Address word" 01. When doing this, the engine should be idling.
  (Connecting fault reader and selecting engine electronics control unit .)

Only if engine does not start:

• ‒ Interrogate fault memory with ignition switched on.

• ‒ Switch on printer with the Print button
  (warning lamp in button lights up).

• ‒ Operate fault reader, taking into account the information on the display:
• ‒ Press keys 0 and 2 for function "Interrogate fault memory" and confirm entry with Q key.

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 another.
Then the display will show:

• ‒ Locate and eliminate faults listed on printout as per fault table => Page 01-13.
• ‒ Press keys 0 and 5 for the function "Erase fault memory" and confirm entry with Q key.

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. It is therefore important to follow the procedure exactly, i.e. first interrogate the fault memory and then erase it.

• ‒ Press the ⇒key.

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