Toyota Tacoma 2002-06

Testing

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1GR-FE Engine



  1. Using an ohmmeter, measure the resistance between terminals.
  2.  
  3. If the resistance is not as specified, replace the sensor.

    Click image to see an enlarged view

    Fig. ECT Sensor testing

  4.  

2RZ-FE



  1. Measure the resistance between the terminals.
  2.  
  3. If the result is not as specified, replace the ECT.

    Click image to see an enlarged view

    Fig. ECT testing

  4.  

3RZ-FE



  1. Measure the resistance between the terminals.
  2.  
  3. If the result is not as specified, replace the ECT.

    Click image to see an enlarged view

    Fig. ECT testing

  4.  

5VZ-FE



  1. Drain engine coolant.
  2.  
  3. Disconnect the ECT sensor connector.
  4.  
  5. Using a 19 mm deep socket wrench, remove the ECT sensor and gasket.
  6.  
  7. Using an ohmmeter, measure the resistance between terminals 1 and 2.
  8.  
  9. If the resistance is not as specified, replace the ECT sensor.

    Click image to see an enlarged view

    Fig. ECT testing

  10.  

To install:

  1. Install a new gasket to the ECT sensor.
  2.  
  3. Using a 19 mm deep socket, install the ECT sensor. Tighten to 14 ft. lbs. (20 Nm).
  4.  
  5. Connect the ECT sensor connector.
  6.  
  7. Refill with engine coolant.
  8.  

 
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