Heater Valve / AC questions

[David.X5]

I'm getting hot air coming out of the center-right vents.

I have checked the following:

1) AC clutch is cycling on and off as it should. Static and Dynamic pressures are within range.
2) Aux fan is running as it should
3) Removed heater valves and they both operate with 12V applied. From this experiment, I learned they are normally open and stop flow with 12V applied.
4) Both heater valve solenoids measure 12-12.5 ohms, so they are drawing about 1A.
5) When I call for AC, I get 12V on one heater valve but not the other - think this is my source of heat!

So - think this is my problem - why is one side calling for heat???
Could be IHKA is fubar, but I would like to troubleshoot more.
Problem is one side, so am thinking about which sensors have a L & R...
Bad Interior air temp sensor?
Perhaps a bad heater core sensor?

Has anyone found a way to read these sensors directly?