SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | 4 cylinder TDI engine (1.9l engine, mechanics) | Fuel preparation system Diesel injection | Engine control unit | Event memory of the engine control unit: consulting and erasing

Event memory of the engine control unit: consulting and erasing

Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.

Special tools and workshop equipment required

t	Vehicle diagnostic, testing and information system -VAS 5051B-, see equivalent → Anchor

t	Diagnosis cable 3 m -VAS 5051/5A- or diagnosis cable 5 m -VAS 5051/6A- or diagnosis cable -VAS 5052/3-1-, see equivalent → Anchor

Operation process

–	Connect the central diagnosis -VAS 5051- or central diagnosis -VAS 5052- with the relevant cable.

–	Start engine and run at idling speed.

Only when engine does not start:

–	Switch on ignition.

Select the operating mode

–	Press button on display for „Vehicle self-diagnosis“.

Selecting vehicle system:

–	Touch the screen on „01 - Engine electronics“.

The control unit identification and coding are indicated on the display.

Select diagnostic function

–	Press the pushbutton „02 - Consult event memory“ on the screen.

–	If no fault is stored in engine control unit „0 fault(s) detected“ is displayed.

–	If faults are stored in the engine control unit, they will be displayed as a list.

–	Press the ← button.

–	Press the pushbutton „05 - Erase event memory“ on the screen.

–	Press „06 - End output“ function.

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