Title: Identify the causes of outlet air temperature control problems in the HVAC system.
Course: Diesel Equipment Technology III (20107-III) > Section: Heating, Ventilation, and Air Conditioning: Servicing the Heating and Engine Cooling Systems

Identification should include performing an A/C system test to determine the causes of air temperature control in the HVAC system.

Process/Skill Questions:

- What should the vent temperature and ambient air temperature readings be to show proper operation?
- What part does the ambient air temperature sensor have in controlling the compressors operation?