Nissan Pathfinder 1996-05

Mass Air Flow (MAF) Sensor

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Testing



  1. Turn ignition switch ON .
  2.  
  3. Start engine and warm it up sufficiently.
  4.  
  5. Check the voltage between ECM pin 54 and ground.
  6.  
  7. Check for linear voltage rise in response to increases in engine RPM.

    Click image to see an enlarged view

    Fig. Mass Air Flow Sensor testing-Pathfinder

  8.  

 
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