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HVAC System Test - MTC

Test 1 - 4:

Test 5:

Test 6:

SYMPTOM
HVAC SYSTEM TEST - MTC

POSSIBLE CAUSES
- Attempt to communicate with the PCM, the BCM, and the IPM
- Check for HVAC related DTCs in the powertrain control module (PCM)
- Check for body control module (BCM) DTCs
- Check for integrated power module (IPM) DTCs
- Check for active HVAC DTCs and system tests fault messages
- Check for HVAC related DTCs in the PCM
- Perform manual A/C system test