Quote:
Originally Posted by mikeceli
Confirming I take my voltage readings between "V-REF and SIG RETERN", not to ground?.
Should be per posted V value chart?
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NO!
Take your readings between "MAP SIGNAL" and Ground (or SIG RTN)
"V-REF" is the +5v input signal. "SIG RTN" is basically the ground (the -5v side) and "MAP SIGNAL" is the MAP sensor output.
