Does the compressor clutch cycle like it normally should, or it it stuck on
all the time? If so, it could be a sticking compressor clutch relay (in
your power distribution center, next to the battery). If not, then it's
either a bad switch in the heater controls, or faulty logic in the PCM.
If it resets and works normally after you turn off the ignition, the relay
would be my first guess. A sticking clutch or bad AC controls would probably
(nothing is for sure you know....:-) keep it on all the time.
Looks like the problem here is the "nut" behind the steering wheel ... plus
a control that is a bit confusing.
Seems that the selector position which indicates air to the dash vents and
to the floor will initiate the A/C if the temp control is turned into the
Didn't realize this to be the case until a thorough "study" of the O/M.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.