Refrigerant Pressure Switch Inspection

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

Install the manifold gauge set. (See MANIFOLD GAUGE SET INSTALLATION .)
Disconnect the refrigerant pressure switch connector.
Verify the high-pressure side reading of the manifold gauge.

Fig 1: Identifying Refrigerant Pressure Reading Of Manifold Gauge
Courtesy of MAZDA MOTORS CORP.
Inspect for continuity between the terminals of the refrigerant pressure switch.
- If not as specified, replace the refrigerant pressure switch.
  
  Fig 2: Inspecting For Continuity Between Terminals Of Refrigerant Pressure Switch
  Courtesy of MAZDA MOTORS CORP.