1. Check for continuity between the following terminals of climate control unit connector B (16P) and the recirculation control motor 7P connector.

   16P: | 7P:
   --- | ---
   No. 10 | No. 5
   No. 11 | No. 7

Is there continuity?

YES | - | Check for loose wires or poor connections at climate control unit connector B (16P) and at the recirculation control motor 7P connector. If the connections are good, substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit .■
NO | - | Repair any open in the wire(s) between the climate control unit and the recirculation control motor.■