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Old 07-04-2012   #16
VetteMed
 
Join Date: Mar 2009
Location: Orlando, FL
Posts: 1,816
Default Re: Use HVAC display as tach

Quote:
Originally Posted by Dynomite View Post
2. Since the parameter #16 digital readout is in deg C where deg F=((9/5)(deg C) +32) and the gauge is analogue can we assume the temperature data for the HVAC digital temperature reading is from the same sensor and exact (in other words like the tachometer we can calibrate the temperature gauge)?
The temp display is taken directly from the ECM, which gets its information not from the gauge sensor, but from the other sensor right next to it.
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