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Home › Mazda › 2016 › CX-9 Signature › Repair and Diagnosis › Heating, Ventilation & A/C (HVAC) › HVAC Control Systems › Control System - Auto A/C › Refrigerant Pressure Sensor Removal/Installation › Notes

Refrigerant Pressure Sensor Removal/Installation: Notes

  1. Disconnect the negative battery terminal. (Refer to NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Discharge the refrigerant. (Refer to REFRIGERANT RECOVERY .) (Refer to REFRIGERANT CHARGING .)
  3. Disconnect the connectors.
    Fig 1: Disconnecting PCM Component Connectors
    G10948528Courtesy of MAZDA MOTORS CORP.
  4. Remove the bolts.
  5. Set the PCM component out of the way.
  6. Disconnect the connector.
    Fig 2: Disconnecting Connector
    G10948529Courtesy of MAZDA MOTORS CORP.
  7. Loosen the refrigerant pressure sensor using two spanners.
    Fig 3: Loosening Refrigerant Pressure Sensor
    G10948530Courtesy of MAZDA MOTORS CORP.
  8. Remove the refrigerant pressure sensor.
    Fig 4: Removing Refrigerant Pressure Sensor
    G10948531Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • If moisture or foreign matter 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 matter out of the cycle.
  9. Install in the reverse order of removal. (Refer to REFRIGERANT PRESSURE SENSOR INSTALLATION NOTE .)
  10. Perform the refrigerant system performance test. (Refer to REFRIGERANT SYSTEM PERFORMANCE TEST .)
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