View Single Post
Old 10-02-2016, 04:24 PM   #5
Your worst nightmare
Stealthee's Avatar
Join Date: Oct 2004
Location: Smithfield, Pennsylvania
Posts: 5,685
Thanks: 8
Thanked 179 Times in 175 Posts
Re: 99 malibu...temp gauge & AC

If the ECU does not see voltage from the coolant temperature sensor it will disengage the AC clutch. It is a failsafe. It basically sees no voltage as an overheat. When it overheats it will disengage the AC clutch as well.
Stealthee is online now   Reply With Quote