Refrigerant Pressure Switch Inspection

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Install the manifold gauge set.
Disconnect the refrigerant pressure switch connector.
Verify the high-pressure side reading of the manifold gauge and continuity between the terminals of the refrigerant pressure switch.
- If not as specified, replace the refrigerant pressure switch.
  
  Fig 1: Terminal Continuity Graph - High And Low Pressure
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Terminal Continuity Graph - Middle Pressure
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 3: Identifying Connector Terminal
  Courtesy of MAZDA MOTORS CORP.