Refrigerant Pressure Switch Inspection

WARNING: This page is about a different car, the 2008 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Install the gas charging set.
Disconnect the refrigerant pressure switch connector.
Verify the high-pressure side reading of the manifold gauge and continuity between the refrigerant pressure switch terminals.
- If there is any malfunction, replace the refrigerant pressure switch.
  
  Fig 1: Refrigerant Pressure Switch Operation Chart - HI And Low Pressure With Specifications
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Refrigerant Pressure Switch Operation Chart - Medium Pressure With Specifications
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 3: Checking Continuity Between Refrigerant Pressure Switch Terminals
  Courtesy of MAZDA MOTORS CORP.