Kia_Sedona_2002-2006

Throttle Position Sensor (TPS)

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Operation



The throttle position sensor is a rotating type variable resistor that rotates with the throttle body-s throttle shaft to sense the throttle valve angle. As the throttle shaft rotates, the throttle angle of the sensor changes and the ECM/PCM detects the throttle valve opening based on the TPS output voltage.

Removal & Installation



  1. Disconnect the negative battery cable.
  2.  
  3. Disconnect the sensor connector.
  4.  
  5. Remove the sensor retaining screws. Remove the sensor from its mounting.
  6.  

To install:

  1. Installation is the reverse of the removal procedure.
  2.  

Testing



2002-2005
  1. Disconnect the sensor connector.
  2.  
  3. Measure the resistance between terminal 1 (sensor ground) and terminal 4 (sensor power).
  4.  
  5. Specification should be 3.5-6.5 kohm.
  6.  
  7. Connect and analog ohmmeter between terminal 1 (sensor ground) and terminal 3 (sensor output).
  8.  
  9. Operate the throttle valve slowly from the idle position to the full open position, and check that the resistance changes smoothly in proportion with the throttle valve opening angle.
  10.  
  11. If the resistance is out of specification, or fails to change smoothly, replace the sensor.
  12.  

 
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