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Fault table > < Connecting fault reader V.A.G 1551 and selecting engine electronics control unit

A4 Mk1

Motronic injection and ignition system (6-cylinder)
Interrogating and erasing fault memory
Interrogating and erasing fault memory
  • ‒ Connect fault reader V.A.G 1551 (V.A.G 1552) and select engine electronics control unit with the "Address word" 01. When doing this the engine must be running at idling speed.
    (Connecting fault reader and selecting engine electronics control unit .)

Note:

Only when engine does not start:

  • ‒ Interrogate fault memory with ignition switched on.
 
→ Indicated on display:
Rapid data transfer    HELP
Select function XX
  • ‒ Press keys 0 and 2 for function "Interrogate fault memory" and confirm entry with Q key.
 
→ Indicated on display:
No fault recognised
  • ‒ Press ⇒key.

or
 
→ Indicated on display:
X faults recognised

If the printer on the fault reader is switched on the stored faults will be displayed and printed out in sequence.

  • ‒ Locate and eliminate faults printed out as per fault table
    => Page 01-9.
  • ‒ Press keys 0 and 5 for the function "Erase fault memory" and confirm entry with Q key.
 
→ Indicated on display:
Rapid data transfer    ⇒
Fault memory is erased!

Note:

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

  • ‒ Press ⇒key.
 
→ Indicated on display:
Rapid data transfer    HELP
Select function XX
  • ‒ Press keys 0 and 6 for the function "End output" and confirm entry with the Q key.

Fault table > < Connecting fault reader V.A.G 1551 and selecting engine electronics control unit