Toyota Prius 2002-06

Knock Sensor (KS)

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  1. Disconnect the knock sensor connector.
  2.  
  3. Remove the sensor.
  4.  
  5. Using an ohmmeter, check that there is no continuity between the terminal and body.
  6.  
  7. If there is continuity, replace the sensor.
  8.  

To install:

  1. Install the sensor and tighten to 29 ft. lbs. (39 Nm).
  2.  
  3. Connect the sensor connector.

    Click image to see an enlarged view

    Fig. Testing the knock sensor

  4.  

 
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