HVAC System Test

Test 1 - 2:

Test 3 - 4:

SYMPTOM
HVAC SYSTEM TEST

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