Basic System Outline

WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

The basic system is composed with parts which are basic of HVAC.
Operation of main parts of basic system is as follows:

Fig 1: Identifying A/C Components, Operation & State Change Of Refrigerant
Courtesy of MAZDA MOTORS CORP.