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Old 09-20-2002, 08:08 AM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The test supports that the problem is inside of the car, EXCEPT if the aux fan switch(blue two pole) is telling the A/C pushbutton that the engine is overheating.
Again the A/C pushbutton sends GROUND command signal to the pin # 10 on the KLIMA relay, that ground signal GOES thru the low pressure switch on the drier. SO if you run the car & have the air on there should be a ground signal at that switch as well. IF not then the A/C pushbutton isn't sending any signal. IF that is the case then you need volt/ohm meter tests on SENSORS to determine why not!
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