SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | Diesel preheating and injection system | Self diagnosis, V.A.G Inspection Service | Self diagnosis | Self diagnosis technical data

Fault reader V.A.G?1551 connect and select the electronic engine control > < Self diagnosis characteristics

Self diagnosis technical data

Self diagnosis technical data

Implementation

t	The transmission of data between the control unit and the -V.A.G 1551- or -V.A.G 1552- is carried out in the “Rapid Data Transmission” operation mode

t	Fault memory: Permanent and volatile memory → Note

¹⁾	A fault will be erased from the memory if it does not reoccur during the next 50 motor starts.

Function selections available to the users of the -V.A.G 1551/1552-

Function selections available to the users of the

Function		Ignition on	Engine idling
02	Interrogate fault memory	x	x
03	Actuator diagnostic	x	x
05	Erase fault memory	x	x
06	End transmission	x	x
08	Read measurement block values	x	x

Power unit
Diesel preheating and injection system / Self diagnosis, V.A.G Inspection Service / Self diagnosis
Self diagnosis technical data

Fault reader V.A.G?1551 connect and select the electronic engine control > < Self diagnosis characteristics