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

Fault memory: erasing

Special tools and workshop equipment required

t	Fault reader -V.A.G 1551-

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

Note!

The equipment -V.A.G 1552- may be used instead of the -V.A.G 1551-, however in this case the results cannot be printed.

Test condition

l	Fault eliminated

Note!

Following the elimination of the fault, the fault memory should be consulted and then erased in the following way:

Verification process

–	Connect the equipment -V.A.G 1551- (-V.A.G 1552-) and, using the corresponding “address code” 41, select the diesel pump electronic control unit. While doing this, the engine must be running idle → Chapter.

Display indication:

–	Press the keys 0 and 2 for the function “Consult fault memory”, confirm using the key Q.

Rapid data transmission             HELP

Select the function XX

–	Continue pressing the key → until all of the recorded faults have been displayed on the screen:

–	Press the keys 0 and 5 for the function “Erase fault memory”, confirm using the key Q.

Rapid data transmission             HELP

Select the function XX

Display indication:

–	If the memory cannot be erased, it means that there is still a fault that has to be eliminated.

–	Press the key →.

Rapid data transmission               ->

The fault memory is erased

Display indication:

–	Press the keys 0 and 6 for the function “End data transmission”, confirm using the key Q.

–	Carry out a test-drive and interrogate fault memory once more: No fault should be recorded.

Rapid data transmission             HELP

Select the function XX

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