Refrigerant Pressure Switch Inspection

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 and continuity between the terminals B and C, and A and D is as shown.
- If there is any malfunction, replace the front cooler pipe No.2.
Fig 1: High And Low Pressure Switch Continuity
Courtesy of MAZDA MOTORS CORP.

Fig 2: Medium Pressure Switch Continuity
Courtesy of MAZDA MOTORS CORP.

Fig 3: Inspecting Pressure Switch Connector Terminals
Courtesy of MAZDA MOTORS CORP.