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Home >> Infiniti >> 2009 >> FX50 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Symptom Diagnosis, On-Vehicle Repair And Specifications (VK50VE) >> Manifold Pressure Sensor >> Component Function Check
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Component Function Check

  1. CHECK MANIFOLD PRESSURE SENSOR FUNCTION
    1. Start engine and warm it up to normal operating temperature.
    2. Check the voltage between ECM harness connector terminals as per the following.
      VOLTAGE REFERENCE CHART

      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      F111 69 (Manifold pressure sensor signal) 70 0.6 - 4.8

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".

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