Hyundai Car 1999-05

Throttle Position Sensor

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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 detects the throttle valve opening based on the TPS output voltage.

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 detects the throttle valve opening based on the TPS output voltage.

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 detects the throttle valve opening based on the TPS output voltage.

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 detects the throttle valve opening based on the TPS output voltage.

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 detects the throttle valve opening based on the TPS output voltage.

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.  

  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.  

  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.  

  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.  

  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.  

  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



  1. Disconnect the connector from the sensor.
  2.  
  3. Measure the resistance between terminals 2 (sensor ground) and 3 (sensor power).
  4.  
  5. Specification should be 0.7-3.0 kohm.
  6.  
  7. Connect an analog ohmmeter between terminals 2 (sensor ground) and 1 (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.  

  1. Disconnect the connector from the sensor.
  2.  
  3. Measure the resistance between terminals 2 (sensor ground) and 3 (sensor power).
  4.  
  5. Specification should be 0.7-3.0 kohm.
  6.  
  7. Connect an analog ohmmeter between terminals 3 (sensor ground) and 1 (sensor output), on 1996-1997 vehicles and between terminals 2 (sensor ground) and 1 (sensor output), on 1998-2003.
  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.  

  1. Turn the ignition switch to the OFF position.
  2.  
  3. Measure the resistance between terminals 1 and 2 of the TPS.
  4.  
  5. Measure the resistance between terminals 2 and 3 of the TPS.
  6.  
  7. Specification should be 0.7-3.0 kohms.
  8.  
  9. If not within specification, replace the sensor.
  10.  

  1. Turn the ignition switch to the OFF position.
  2.  
  3. Disconnect the TPS connector.
  4.  
  5. Measure the resistance between terminals 2 and 3 of the TPS.
  6.  
  7. Specification should be 1.6-2.4 kohms at all throttle position..
  8.  
  9. With the connector still disconnected, measure the resistance between terminals 1 and 2.
  10.  
  11. 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.
  12.  
  13. Specification should be 0.71-1.38 kohm at closed throttle valve and 2.2-3.4 kohm at wide open throttle.
  14.  
  15. If within specification, check for poor connection between the PCM and the component.
  16.  
  17. If not, substitute the sensor with a known good component, check for proper operation. If problem corrected replace the sensor.
  18.  

  1. Disconnect the connector from the sensor.
  2.  
  3. Measure the resistance between terminals 1 (sensor ground) and 4 (sensor power).
  4.  
  5. Specification should be 3.5-6.5 kohm.
  6.  
  7. Connect an analog ohmmeter between terminals 1 (sensor ground) and 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.  

  1. Disconnect the sensor connector.
  2.  
  3. Measure the resistance between terminal 3 (sensor ground) and terminal 1 (sensor power).
  4.  
  5. Specification should be 3.5-6.5 kohm.
  6.  
  7. Connect and analog ohmmeter between terminal 3 (sensor ground) and terminal 2 (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.  

2.0L Engine
  1. Disconnect the connector from the sensor.
  2.  
  3. Measure the resistance between terminals 2 (sensor ground) and 3 (sensor power).
  4.  
  5. Specification should be 0.7-3.0 kohm.
  6.  
  7. Connect an analog ohmmeter between terminals 3 (sensor ground) and 1 (sensor output), on 1999-2001 vehicles and between terminals 2 (sensor ground) and 1 (sensor output), on 2003 vehicles.
  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.  

  1. Turn the ignition switch to the OFF position.
  2.  
  3. Measure the resistance between terminals 1 and 2 of the TPS.
  4.  
  5. Measure the resistance between terminals 2 and 3 of the TPS.
  6.  
  7. Specification should be 0.7-3.0 kohms.
  8.  
  9. If not within specification, replace the sensor.
  10.  

  1. Turn the ignition switch to the OFF position.
  2.  
  3. Disconnect the TPS connector.
  4.  
  5. Measure the resistance between terminals 2 and 3 of the TPS.
  6.  
  7. Specification should be 1.6-2.4 kohms at all throttle position..
  8.  
  9. With the connector still disconnected, measure the resistance between terminals 1 and 2.
  10.  
  11. 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.
  12.  
  13. Specification should be 0.71-1.38 kohm at closed throttle valve and 2.2-3.4 kohm at wide open throttle.
  14.  
  15. If within specification, check for poor connection between the PCM and the component.
  16.  
  17. If not, substitute the sensor with a known good component, check for proper operation. If problem corrected replace the sensor.
  18.  

2.4L Engine
  1. Disconnect the connector from the sensor.
  2.  
  3. Measure the resistance between terminals 1 (sensor ground) and 4 (sensor power) on 2.4L engine and between terminals 2 (sensor ground) and 3 (sensor power) on 2.5L engine.
  4.  
  5. Specification should be 3.5-6.5 kohm.
  6.  
  7. Connect an analog ohmmeter between terminals 1 (sensor ground) and 3 (sensor output), on 2.4L engine and between terminals 2 (sensor ground) and 1 (sensor output), on 2.5L engine.
  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.  

  1. Disconnect the connector from the sensor.
  2.  
  3. Measure the resistance between terminals 4 (sensor ground) and 1 (sensor power) on 2.4L engine and between terminals 2 (sensor ground) and 1 (sensor power) on 2.5L and 2.7L engines.
  4.  
  5. Specification should be 3.5-6.5 kohm.
  6.  
  7. Connect an analog ohmmeter between terminals 4 (sensor ground) and 2 (sensor output), on 2.4L engine and between terminals 2 (sensor ground) and 3 (sensor output), on 2.5L and 2.7L engines.
  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.  

  1. Disconnect the connector from the sensor.
  2.  
  3. Measure the resistance between terminals 1 (sensor ground) and 2 (sensor power).
  4.  
  5. Specification should be 1.6-2.4 kohm.
  6.  
  7. Connect an analog ohmmeter between terminals 1 (sensor ground) and 2 (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.  

2.5L Engine
  1. Disconnect the connector from the sensor.
  2.  
  3. Measure the resistance between terminals 1 (sensor ground) and 4 (sensor power) on 2.4L engine and between terminals 2 (sensor ground) and 3 (sensor power) on 2.5L engine.
  4.  
  5. Specification should be 3.5-6.5 kohm.
  6.  
  7. Connect an analog ohmmeter between terminals 1 (sensor ground) and 3 (sensor output), on 2.4L engine and between terminals 2 (sensor ground) and 1 (sensor output), on 2.5L engine.
  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.  

  1. Disconnect the connector from the sensor.
  2.  
  3. Measure the resistance between terminals 4 (sensor ground) and 1 (sensor power) on 2.4L engine and between terminals 2 (sensor ground) and 1 (sensor power) on 2.5L and 2.7L engines.
  4.  
  5. Specification should be 3.5-6.5 kohm.
  6.  
  7. Connect an analog ohmmeter between terminals 4 (sensor ground) and 2 (sensor output), on 2.4L engine and between terminals 2 (sensor ground) and 3 (sensor output), on 2.5L and 2.7L engines.
  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.  

2.7L Engine
  1. Disconnect the connector from the sensor.
  2.  
  3. Measure the resistance between terminals 4 (sensor ground) and 1 (sensor power) on 2.4L engine and between terminals 2 (sensor ground) and 1 (sensor power) on 2.5L and 2.7L engines.
  4.  
  5. Specification should be 3.5-6.5 kohm.
  6.  
  7. Connect an analog ohmmeter between terminals 4 (sensor ground) and 2 (sensor output), on 2.4L engine and between terminals 2 (sensor ground) and 3 (sensor output), on 2.5L and 2.7L engines.
  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.  

  1. Disconnect the sensor connector.
  2.  
  3. Measure the resistance between terminal 1 and terminal 2, (component side).
  4.  
  5. Specification should be 1.6-2.4 kohm, at all throttle positions.
  6.  
  7. Measure the resistance between terminal 2 and terminal 3, (component side).
  8.  
  9. Specification should be 0.71-1.38 kohm, at closed throttle and 2.2-3.4 kohm at wide open throttle.
  10.  
  11. If within specification, check for poor connection between the PCM and the component.
  12.  
  13. If not, substitute the sensor with a known good component, check for proper operation. If problem corrected replace the sensor.
  14.  

 
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