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Home >> Nissan-Datsun >> 2007 >> Altima Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Hybrid) >> Qr25DE >> Component Diagnosis >> Refrigerant Pressure Sensor >> Component Function Check
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Component Function Check

  1. CHECK REFRIGERANT PRESSURE SENSOR OVERALL FUNCTION
    1. Activate "INSPECTION MODE 1" ( MODE 1 ) to start engine, and warm up engine to normal operating temperature.
    2. Turn A/C switch and blower fan switch ON.
    3. Check the voltage between ECM harness connector and ground.
      ECM HARNESS CONNECTOR AND GROUND

      ECM Ground Voltage
      Connector Terminal
      E219 39 (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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