This course teaches the procedures required to check and diagnosis of the air bag systems, including computers, sensors, and seat belt restraints. It also teaches the principles of air conditioning sand its relationship to the heating system. The various types, the diagnosis of malfunctions, testing and repair are studied in the classroom. Practical experience is performed on live systems. It also teaches students the removal and replacement of mechanical and electrical parts in front and/or rear wheel drive vehicles. Prerequisites: Completion of first year Auto Body Collision Technology.