VC to E2 should be the same no matter what you do to it.
VTA to E2 is the one that steadily climbs in resistance as you increase the TPS to wide open throttle.
IDL to E2 should read an open circuit as you just open the throttle from closed fully closed.
If you look at the picture in the TSRM you should be using the second one down. The TPS is mounted 180 degrees out between the NA and the Turbo so the terminals will be reversed. If your reading it mounted on the throttle body and reading the terminals like its an NA then your readings will be off.
Also make sure you aren't touching more than one terminal with one lead.
Using alligator clips helps in this case.
For the proper adjustment with a feeler guage use the measurements in the TSRM when its mounted to the throttle body.
Im looking at page FI-100 and FI-101
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