Volkswagen Workshop Service and Repair Manuals > Polo Mk3 > Power unit | 3-cylinder diesel engine | Self diagnosis, V.A.G Inspection Service | Self-diagnosis | Technical data of self-diagnosis | Selectable functions for use of the fault reader V.A.G 1551 or the vehicle diagnosis, testing and information system VAS 5051

Connecting fault reader V.A.G 1551 and selecting engine electronics control unit > < Reading control unit version

Selectable functions for use of the fault readerV.A.G 1551 or the vehicle diagnosis, testing and information systemVAS 5051B under address word 01, engine electronics.

Selectable functions for use of the fault reader -V.A.G 1551- or the vehicle diagnosis, testing and information system -VAS 5051B- under address word 01, engine electronics.

Note

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

Selectable functions under address word 01, engine electronics

Function		Prerequisite
Functions on fault reader -V.A.G 1551- or vehicle diagnosis, testing and information system -VAS 5051B-		Engine stationary, ignition switched on	Engine running at idling speed	Vehicle being driven
01	Read control unit version	yes	yes	yes
02	Read fault memory	yes → Note	yes	yes
03	Final control diagnosis	yes	yes	no
04	Basic setting	no	yes	no
05	Erase fault memory	yes	yes	yes
06	End output	yes	yes	yes
07	Code control unit	yes	no	no
08	Read measured value block	yes	yes	yes

¹⁾	Only carry out with ignition switched on, when engine does not start.

Power unit
3-cylinder diesel engine
Self diagnosis, V.A.G Inspection Service / Self-diagnosis / chnical_data_of_self-diagnosis/">Technical data of self-diagnosis
Selectable functions for use of the fault reader V.A.G 1551 or the vehicle diagnosis, testing and information system VAS 5051

Connecting fault reader V.A.G 1551 and selecting engine electronics control unit > < Reading control unit version

Volkswagen Workshop Service and Repair Manuals

Polo Mk3

Power unit 3-cylinder diesel engine Self diagnosis, V.A.G Inspection Service / Self-diagnosis / chnical_data_of_self-diagnosis/">Technical data of self-diagnosis Selectable functions for use of the fault reader V.A.G 1551 or the vehicle diagnosis, testing and information system VAS 5051

Power unit 3-cylinder diesel engine Self diagnosis, V.A.G Inspection Service / Self-diagnosis / chnical_data_of_self-diagnosis/">Technical data of self-diagnosis Selectable functions for use of the fault reader V.A.G 1551 or the vehicle diagnosis, testing and information system VAS 5051

Power unit
3-cylinder diesel engine
Self diagnosis, V.A.G Inspection Service / Self-diagnosis / chnical_data_of_self-diagnosis/">Technical data of self-diagnosis
Selectable functions for use of the fault reader V.A.G 1551 or the vehicle diagnosis, testing and information system VAS 5051

Power unit
3-cylinder diesel engine
Self diagnosis, V.A.G Inspection Service / Self-diagnosis / chnical_data_of_self-diagnosis/">Technical data of self-diagnosis
Selectable functions for use of the fault reader V.A.G 1551 or the vehicle diagnosis, testing and information system VAS 5051