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Home >> Nissan-Datsun >> 2012 >> NV3500 HD SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing & Removal And Installation (VK56DE) >> Refrigerant Pressure Sensor >> Component Function Check

Component Function Check

  1. CHECK REFRIGERANT PRESSURE SENSOR 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 terminals as per the following conditions.
      ECM Voltage
      Connector + -
      Terminal
      F72 70 (Refrigerant pressure sensor signal) 67 (Sensor ground) 1.0 - 4.0 V
      Fig 1: Checking Voltage Between ECM Harness Connector Terminals
      G08435941Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Proceed to "DIAGNOSIS PROCEDURE ".