Heater & A/C Mode - With Electronic A/C

The heater A/C module is where all system air is heated, cooled, mixed together, and directed to the various air ducts and outlets. The module consists of a housing with inlet openings, outlet openings, air passages and air valves. Vacuum actuators and an electric motor (mounted on the housing) operate the air valves according to A/C solenoid switch assembly signals.