Refrigerant Pressure Sensor Installation Note

1. Apply compressor oil to the O-rings and connect the joints.

SKYACTIV-G 2.5T 

1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
2. Discharge the refrigerant. (See REFRIGERANT RECOVERY .) (See REFRIGERANT CHARGING .)
3. Remove the plug hole plate. (SKYACTIV-G 2.5T) (See PLUG HOLE PLATE REMOVAL/INSTALLATION [SKYACTIV-G 2.5T] .)
4. Remove the engine cover.
5. Detach the clips.
   Fig 1: Detaching Clips

   Courtesy of MAZDA MOTORS CORP.
6. Remove the bolt.
7. Disconnect the engine ground.
8. Disconnect the connector.
   Fig 2: Disconnecting Connector

   Courtesy of MAZDA MOTORS CORP.
9. Remove the bolts.
10. Set the PCM component out of the way.
11. Disconnect the connector.
    Fig 3: Disconnecting Connector

    Courtesy of MAZDA MOTORS CORP.
12. Loosen the refrigerant pressure sensor using two spanners.
    Fig 4: Loosening Refrigerant Pressure Sensor Using Spanners

    Courtesy of MAZDA MOTORS CORP.
13. Remove the refrigerant pressure sensor.
    Fig 5: Refrigerant Pressure Sensor

    Courtesy of MAZDA MOTORS CORP.
    CAUTION:

    • If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.
14. Install in the reverse order of removal. (See Refrigerant pressure sensor installation note .)
15. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST .)

1. Apply compressor oil to the O-rings and connect the joints.