Vibe 2006-2007

Testing

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  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Drain and recycle the engine coolant.
  4.  
  5. Remove the coolant temperature sensor.
  6.  
  7. Place the sensor in a container of water with a temperature approximately 20 degrees C (68 F).
  8.  
  9. Using an ohmmeter, check resistance between the terminals. The resistance should be 2.32-2.59 Kohms.
  10.  
  11. Raise the temperature of the container of water to approximately 80 degrees C (176F).
  12.  
  13. Using an ohmmeter, check resistance between the terminals. The resistance should be 0.310-0.326 Kohms.

    Click image to see an enlarged view

    Fig. Engine Coolant Temperature (ECT) sensor terminals; (1) Sensor ground, (2) ECT input

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