SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | SDI diesel injection and preheating system | Self diagnosis, V.A.G Inspection Service

Fault memory: erasing

Special tools and workshop equipment required

t	Fault reader -V.A.G 1551- (or vehicle system tester -V.A.G 1552-)

t	Cable -V.A.G 1551/3B-

The vehicle system tester -V.A.G 1552- can be used instead of the fault reader -V.A.G 1551-, although a printout will not be possible in such cases.

Checking conditions

l	Fault eliminated

Note!

After having eliminated the fault, the fault memory should be consulted again and then erased as follows:

Test sequence

–	Connect fault reader -V.A.G 1551- (V.A.G 1552) and select engine electronics control unit with the “address code” 01. When doing so the engine must be idling. (Fault reader: Connecting and selecting the engine electronics control unit → Chapter.)

Indicated on display:

–	Press keys 0 and 2 for function “Interrogate fault memory” and confirm entry with the Q-key.

Rapid data transfer                 HELP

Select function XX

–	Continue to press key → untill all the previously memorized faults have been displayed and appear again on the display:

–	Press keys 0 and 5 for the function “Erase fault memory” and confirm entry with the Q-key.

Rapid data transfer                 HELP

Select function XX

Indicated on display:

–	If the fault menmory does not erase, it means that there is still a fault that needs to be eliminated.

–	Press the →-key.

Rapid data transfer                   ->

Fault memory is erased

Indicated on display:

–	Press keys 0 and 6 for the “End data transfer” function and confirm input with the Q-key.

–	Carry out another test drive and interrogate fault memory again. No fault must be visible

Rapid data transfer                 HELP

Select function XX

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