MSefi.com read only forum (Jan.15,2018)

I need some help with the initial settings of the IAC valve.

I've read the information on the IAC set-up in the manuals and attempted searches on this message board and the MSII forum. Unfortunately I just can't seem to grasp the basic set-up.

I have a MSII ECU using a GM IAC motor. When I bench test the device to try to determine the range of motion the pintle the device consistently launches across the engine bay. Because of the multiple installations of the pintle, I have no idea of the start (base) position. Can somebody walk me through the set-up and provide some initial settings that will at least get me into the ball park? I feel confident that the wiring is correct as the pintle, on start, retract and then extends. The car starts easily and idles steady (although high rpm). I can't really move forward with tuning until I set the idle parameters.
The car is fully warmed (92deg OAT) at the 142 deg mark on the Megatune screen.

Advice on this subject would be appreciated. BTW, I have the Clewett Engineering valve body.
Thanks,
Jim S.
Porsche 911 3.0l
Carrera 3.2 manifold
MSII smd 3.57
megatune 2.6

Lance,
I can't thank you enough.
Your instruction helped me determine that the I had the wires swapped.
The increase in steps actually withdrew the pintle farther in the valve body.
Key troubleshooting tools were the Megatune gauge display with temp and IAC steps,
and a vacuum gauge attached to the inlet side of the IAC.
Thanks,
Jim S.