Check for continuity between following terminals of climate control unit 28P connector and the air mix control motor 7P connector.28P: | 7P: |
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No. 9 | No. 1 | No. 10 | No. 2 | No. 15 | No. 5 |
No. 18 | No. 7 | No. 23 | No. 3 |
Is there continuity?
YES - Check for loose wire or poor connections at climate control unit 28P connector and at the air mix 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.n
NO - Repair any open in the wire(s) between the climate control unit and the air mix control motor.n |