Title: Inspect and test HVAC system blower motors, resistors, switches, relays, wiring, and protection devices; determine needed action.
Course: Automotive Technology III (20104-III) > Section: HEATING, VENTILATION, AND AIR CONDITIONING (HVAC): Operating Systems and Related Controls

Procedures should include

- performing a visual inspection of components
- testing individual components
- following service materials and manufacturer guidelines.

Process/Skill Questions:

- What procedures should be followed to check blower controls and protection devices?
- Where can one find information to diagnose electrical components?
- What are the causes of noises and abnormal smells related to the blower motor components?