So it’s working properly now?
No, but connections are right. I mean sustain and expression.
Did you plugin the korg in the sustain input and MIDI learn from that?
There is something wrong with your configuration then.
A properly configured momentary pedal such as a sustain pedal should only cause the controller to generate one of two values, 127 when down and 0 when up
In your screen shot, your controller is generating more than two values, and it looks like an expression pedal (CC 11), not a sustain pedal(typically CC64). Either that pedal is not compatible with that controller or the configuration has to be changed. If I remember, the Novation has many different templates - maybe you’re using the wrong one.
Here’s a picture of what you should be seeing (coming from my A-PRO controller rather than an Impulse of course)
This not very clear, we would like to know where you connected your FP3 switch pedal?