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No air circulation / flashing lights at start up. 850 1993

posted by  KlausC on  Wed Sep 26 09:36 CST 2012
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

You have 2 problems: Faults show 2-3-3 (floor defrost damper motor position sensor open circuit or shorted to 12 volts) and 3-2-3 (ventilation damper motor active too long).

The 3-2-3 is on the driver's side, up high. This might be fixed with a little lithium grease sprayed on the damper rod that is exposed, or silicone spray.

The harder to fix, 2-3-3, points to #15 in the Haynes manual. The motor is not responding.

Fixing both requires removal of the kick panel and removal of the knee bolster, on both sides. Do the driver's side first, it is easier. The passenger side will need to have the glovebox removed also.

Have you erased the codes at least once? Before erasure, try turning the vent selector knob to each position, allowing 30 seconds for each one. Do this twice in a warm cabin and then erase the codes. See if they come back with the selectors in auto.

--
My name is Klaus and I am a V♂lv♂holic






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