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HVAC System Test

Test 1 - 3:




Test 4 - 5:






SYMPTOM
HVAC SYSTEM TEST

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