The problem might be related to not having an online connection to the current CarMaker application.

The correct online connection must be selected from the data sources panel as signal input otherwise you won't be able to observe any new signals.

In the attached example screenshot there is an active connection to the application C2, but not to C1. The selected signals in the legend also originate from the previous C1 connection. Therefore they are not updated when the simulation is repeated.

Download: IPGControl_Highlighted.png