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RE: Audi 500CSQ climate control problem

Ian Duff said:

>Prolly a disagreement between the two outside ambient air thermometers.
>A/C won't come on unless the A/C brain deems it hot enough, as measured
>by two agreeing sensors. One is prolly brain-dead, confusing the A/C
>brain. Bentley has diags procedures to tell what each thinks the temp
>is, one'll prolly be smoking dope. HTH.

Also if the two sensors are out of agreement by something like 15 Degrees 
F the system freaks and shuts down.


Eric Fletcher S.O.C.
St. Louis, MO