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HVAC System Test - MTC

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Test 5:




Test 6:






SYMPTOM
HVAC SYSTEM TEST - MTC

POSSIBLE CAUSES
- Attempt to communicate with the PCM/ECM, the BCM, and the FCM
- Check for HVAC related DTCs in the PCM/ECM
- Check for BCM DTCs
- Check for FCM DTCs
- Check for active HVAC DTCs and system tests fault messages
- Check for HVAC related DTCs in the PCM/ECM
- Manual A/C system test
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