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Home >> Nissan-Datsun >> 2011 >> Cube Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Symptom Diagnosis, Periodic Maintenance, Service Data And Specifications (SDS) (For CALIFORNIA) >> Refrigerant Pressure Sensor >> Component Function Check
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Component Function Check

  1. CHECK REFRIGERANT PRESSURE SENSOR OVERALL FUNCTION
    1. Start engine and warm it up to normal operating temperature.
    2. Turn A/C switch and blower fan switch ON.
    3. Check the voltage between ECM harness connector and ground.
      VOLTAGE REFERENCE CHART

      ECM Ground Voltage
      Connector Terminal
      F8 41 (Refrigerant pressure sensor signal) Ground 1.0 - 4.0V

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".

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