Magneti Marelli AM P&S, Quick Manual, Page: 35 / 139

17
FAQ
4. The Diagnosis Module does not switch on:

Check the vehicle diagnosis socket power supply. If
available, change the diagnosis cable.

If system requires the use of the battery cable for
power supply, change such cable.
5. function has not been successfully completed:

Ensure that the electronic control unit has no errors
stored. In this case solve the problem and delete
the error(s).

Check that the control unit is not in stand-by. In this
case, even if parameters can be correctly displayed,
activations or settings cannot successfully be
completed.
Stop the communication with the vehicle, turn the
dashboard off and on and complete the required
operations within about a minute.
6. Parameter values or states are not correct:

Ensure you have selected the right control unit.