SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | Motronic Injection and Ignition System | Self diagnosis, V.A.G Inspection Service | Self-diagnosis - general aspects | Technical data of self-diagnosis | Functions which can be selected when using the fault reader V.A.G?1551/1552

Functions which can be selected when using the fault reader V.A.G 1551/1552

Functions which can be selected when using the fault reader -V.A.G 1551/1552-

The prerequisites for selecting the desired functions can be determined from the following table.

Function		Prerequisite
Functions of -V.A.G 1551-, -V.A.G 1552-		Engine stationary, ignition switched on	Engine running at idling speed
02	Interrogate fault memory	yes	yes
03	Final control diagnosis	yes	no
04	Basic setting	yes → Note	yes → Note → Note
05	Clear fault memory	yes	yes
06	End output	yes	yes
08	Read measured value block	yes	yes
10	Adaptation	yes	no

¹⁾	Necessary after the following operations: Replacement of the engine control unit, or the throttle valve control unit

²⁾	This is only possible when the coolant temperature exceeds 80 °C. Until this point, the function is blocked.

³⁾	This should be done for the verification and adjustment of ignition timing.

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