Can we do a sensor test by disconnecting the sensor arm and change the angle? I was thinking is we can make the EHC control module to do certain things when changing the angle.
For example, if one of the sensor is bad I would think it will send a too low or too high voltage to the EHC, but how EHC knows that is not the right info. Should I assume that the EHC measures the pressure in the air springs?
So, what should we expect if we "lower" the sensor arm? Would that tell to the EHC that it needs to pump more air? until when?
What is going to happen if we "lift" the sensor arm?
What is going to happen when you disconnect the sensor? I read somewhere that the EHC will pump air to the max. This will not help. to diagnose.

I am looking for a combination of the above so if we know what to expect we might be able to locate the faulty sensor or the control module.