Skoda Workshop Service and Repair Manuals > Fabia Mk1 > Drive unit | 1.0/37; 1.4/44; 1.4/50 Drive Unit, Fuel injection | Self diagnosis, V.A.G Inspection Service | Self-diagnosis I | Technical data of self-diagnosis | Available functions when using the vehicle system tester V.A.G 1552

Available functions when using the vehicle system testerV.A.G 1552

Available functions when using the vehicle system tester -V.A.G 1552-

The conditions under which the desired functions can be selected are given in the following table.

Operation		Precondition
		Engine not running, ignition switched on	Engine idling	Normal driving
01	Interrogating control unit version	yes	yes	yes
02	Interrogating fault memory	yes → Note	yes	yes
03	Actuator diagnosis	yes	no	no
04	Basic setting	yes → Note	yes	no
05	Erasing fault memory	yes	yes	no
06	Ending output	yes	yes	yes
07	Coding control unit	yes	no	no
08	Reading measured value block	yes	yes	yes
11	Login procedure	yes	no	no

¹⁾	Only to be carried out with the ignition switched on and if the engine does not start (activate starter for at least 6 seconds).

²⁾	To be carried out after the following operations: Replacing engine control unit, throttle valve control unit or engine, or disconnecting battery.

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