HVAC System Test - MTC

Test 1 - Test 4:

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