| 3. | Check for continuity between the following terminals of the audio-HVAC module 22P connector and the air mix control motor 7P connector.
| 22P: | 7P: |
|---|
| No. 9 | No. 5 | | No. 13 | No. 2 | | No. 14 | No. 1 | | No. 17 | No. 3 | | No. 18 | No. 7 |
Is there continuity?
YES - Check for loose wires or poor connections at the audio-HVAC module 22P connector and at the air mix control motor 7P connector. If the connections are good, test the air mix control motor. If the air mix control motor is OK, substitute a known-good audio-HVAC module, and recheck. If the symptom/indication goes away, replace the original printed circuit board.n
NO - Repair any open in the wire(s) between the audio-HVAC module and the air mix control motor.n |