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Climate Control Unit Input Test

Climate Control Unit Input Test

1. Remove the audio-HVAC display module.




2. Disconnect the audio-HVAC display panel connector B (16P).
3. Inspect the connector and socket terminals to be sure they are all making good contact.

- If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, go to step 4.




4. Reconnect the connector to the audio-HVAC display panel, and make these input tests at the connector.

- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, go to step 5.




5. Disconnect the audio-HVAC display panel connector B (16P), and make these input tests at the connector.

- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, the audio-HVAC display panel must be faulty, replace it.
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