Skoda Workshop Service and Repair Manuals > Fabia Mk1 > Engine | 2.0/85 Engine, Fuel Injection | Self diagnosis, V.A.G Inspection Service | Self-diagnosis I | Interrogating and erasing fault memory of engine control unit

Interrogating and erasing fault memory of engine control unit

Interrogate and erase the fault memories of al control units → Chapter.

Special tools and workshop equipment required

t	Vehicle system tester -V.A.G 1552- with cable -V.A.G 1551/3, 3A, 3B oder 3C-

Procedure

–	Connect vehicle system tester -V.A.G 1552-. Start engine and enter address word 01 “Engine electronics” → Chapter.

Only if the engine does not start:

–	Operate starter for about 6 seconds. after this do not switch off ignition.

–	Select function 02 “Interrogate fault memory”.

The number of stored faults or “No fault recognised” appears in the display.

If no fault is stored:

–	Press → key.

If one or several faults are stored:

–	Rectify the displayed faults by referring to the fault table → Chapter → Chapter.

X faults detected

–	Select function 05 “Erase fault memory”.

Note

The fault memory is not erased if the ignition was switched off during the functions of “Interrogating fault memory” and “Erasing fault memory”.

–	Select function 06 “End output” and switch ignition off.

–	Read out readiness code → Chapter. If the fault memory has been erased or if the continuous voltage supply from the engine control unit was interrupted, it is then necessary to re-generate the readiness code.

Vehicle system test                 HELP

The fault memory is erased

Skoda Workshop Service and Repair Manuals