Title: Test the HVAC system air and mechanical control panel assemblies.
Course: Diesel Equipment Technology III (20107-III) > Section: HVAC: Servicing the Air/Mechanical Operating Systems and Related Controls

Test should include

- visually inspecting the condition of the panel
- manually operating the control panel to ensure the electrical and cable driven controls work.

Process/Skill Questions:

- What would be the cause of a stuck mode position control?
- How would a broken temperature control knob affect A/C performance?