Nissan Frontier, Xterra 1998-05

Intake Air Temperature (IAT) Sensor

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Testing





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Fig. Intake Air Temperature Sensor specifications

2.4L (KA24DE) I4 Engine & 3.3L (VG33DE) V6 Engine
  1. Measure the resistance of the IAT sensor.
  2.  
  3. The sensor resistance should be 2.1-2.9 kohms at 68°F and decrease as air temperature rises.

    Click image to see an enlarged view

    Fig. Intake Air Temperature Sensor specifications

  4.  

2.4L (KA24DE) I4 Engine & 3.3L (VG33E, VG33ER) V6 Engine
  1. Measure the resistance of the IAT sensor.
  2.  
  3. The sensor resistance should be 2.1-2.9 kohms at 68°F and decrease as air temperature rises.
  4.  

 
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