Hi,
i only tried in the car with 5 real PWM Idle valves.
All of them behaved equal.
When cranking, they are open 100%
After this, they shut down to about 20%
Ok till here.
But when the enginge gets hotter, the valve opens more, and when CLT is at 80°C, the PWM valve ist over 60% open -> 2500rpm ...