Kia Sportage 2005-06

Testing

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NOTE
A separate circuit for the coolant temperature sender is incorporated into the coolant temperature sensor.

  1. Inspect the sensor connector connection, check terminal for poor connections, loose wires, bent, broken or corroded pins, and then verify that the connector is always securely fastened.
  2.  
  3. Disconnect the sender electrical connector.
  4.  
  5. Using an ohmmeter, measure the resistance between the terminal 2 of sender and ground.
    NOTE
    The resistance reading should be measured at the sender terminal not the connector terminal.

  6.  
  7. If the resistance value is not as shown in the table, replace the temperature sender.

    Click image to see an enlarged view

    Fig. Coolant sender resistance table

  8.  

  1. Turn the ignition switch to the OFF position.
  2.  
  3. Disconnect the ECTS connector.
  4.  
  5. Check the resistance of the sensor connector between terminals 1 and 3 (component side).
  6.  
  7. Specifications should be as follows.

    Temperature 32 degrees F, resistance 5.79 kohms (2.0L engine)
     
    Temperature 68 degrees F, resistance 2.31-2.59 kohms (2.0L and 2.7L engines)
     
    Temperature 176 degrees F, resistance 0.32 kohms (2.7L engine)
     

  8.  
  9. If specification is normal, check for poor connection between the ECM and the components.
  10.  
  11. If not within specification, substitute the sensor with a known good component, check for proper operation. If problem corrected replace the sensor.
  12.  

  1. Turn the ignition switch to the OFF position.
  2.  
  3. Disconnect the ECTS connector.
  4.  
  5. Check the resistance of the sensor connector between terminals 1 and 3 (component side).
  6.  
  7. Specifications should be as follows.

    Temperature 32 degrees F, resistance 5.79 kohms (2.0L engine)
     
    Temperature 68 degrees F, resistance 2.31-2.59 kohms (2.0L and 2.7L engines)
     
    Temperature 176 degrees F, resistance 0.32 kohms (2.7L engine)
     

  8.  
  9. If specification is normal, check for poor connection between the ECM and the components.
  10.  
  11. If not within specification, substitute the sensor with a known good component, check for proper operation. If problem corrected replace the sensor.
  12.  

 
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