AT 206 - Automotive HVAC Systems

Credits: 4
Variable Credit Course: No

Lecture Hours: 22
Lab Hours: 44
Worksite/Clinical Hours: 0
Other Hours (LIA/Internships): 0

Course Description: Operation, diagnosis, service and repair of automotive HVAC systems, including air conditioning, heater systems, climate control and related electrical circuits. Includes factory repair, retrofitting, and safe handling of refrigerants and related chemicals. Section 609 Certification included.

Prerequisite: AT 133 with a D grade or higher; and concurrent enrollment in AT 205 and AT 218.
Meets FQE Requirement: No
Integrative Experience Requirement: No

Student Learning Outcomes

Conduct safe practices around automotive HVAC system service hazards while working in the lab.
Correctly identify HVAC system components and their function by explaining their operation.
Correctly diagnose AC systems by using AC manifold gauge set for air conditioning; read and interpret system pressures.
Diagnose electrical faults in HVAC systems by performing live vehicle repairs.
Diagnose mechanical faults in HVAC systems by performing live vehicle repairs.
Utilize a variety of air conditioning service equipment to properly test, evacuate, recycle, and recharge air conditioning systems.
Perform automotive air conditioning retrofitting or determine necessary requirements for a given vehicle.
Successfully pass Section 609 Certification for refrigerant handling.
PROGRAM OUTCOME: Demonstrate knowledge and retention of entry-level skills necessary to gain employment and certification in the automotive industry.

Course Contents

Air conditioning safety; Temperature and pressure fundamentals.
Air Conditioning components and operation.
Diagnosing air conditioning leaks.
Recovery, evacuation and charging.
Air conditioning pressure diagnosis.
Air conditioning compressors and clutches.
Retrofitting air conditioning systems.
Operation, diagnosis and repair of HVAC systems, including manual and automatic temperature control.
609 Certification.

Instructional Units: 5