1.) Identify air-conditioning system concerns.

2.) Perform air-conditioning system diagnosis.

3.) Research vehicle and service information related to heating and air-conditioning, including vehicle service history, technical service bulletins, and vehicle and major component identification numbers.

4.) Describe air-conditioning operations.

5.) Apply general air-conditioning system repairs in accordance with air-conditioning system diagnosis.

6.) Identify refrigerant system components.

7.) Demonstrate procedures for diagnosing, inspecting, removing, installing, and adjusting refrigeration components.

8.) Identify heating system concerns.

9.) Perform diagnosis of heating system problems.

10.) Research vehicle and service information related to the heating system, including vehicle service history, technical service bulletins, and vehicle and major component identification numbers.

11.) Describe heating system operations.

12.) Apply procedures for heating system repair.

13.) Demonstrate procedures for correcting air-conditioning system refrigerant problems.

14.) Verify operation of automatic heating, ventilation, and air-conditioning (HVAC) systems to determine necessary action.