Scion 2005-06

Throttle Position Sensor

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Testing



  1. Disconnect the TPS connector.
  2.  
  3. Using an ohmmeter, measure the resistance between terminals VC and E2. Standard value: 2.5-6.0 KOhms.
  4.  
  5. Check the resistance between terminals VTA and E2. Resistance should increase as throttle is opened.
  6.  
  7. If the resistance is not as specified, replace the TPS.

    Click image to see an enlarged view

    Fig. TPS terminal identification-1.5L (1NZ-FE) VIN T



    Click image to see an enlarged view

    Fig. Resistance between terminals VTA and E2-1.5L (1NZ-FE) VIN T

  8.  

  1. Disconnect the TPS connector.
  2.  
  3. Using an ohmmeter, measure the resistance between terminals VC and E2. Standard value: 2.5-6.0 KOhms.
  4.  
  5. Check the resistance between terminals VTA and E2. Resistance should increase as throttle is opened.
  6.  
  7. If the resistance is not as specified, replace the TPS.

    Click image to see an enlarged view

    Fig. TPS terminal identification-1.5L (1NZ-FE) VIN T



    Click image to see an enlarged view

    Fig. Resistance between terminals VTA and E2-1.5L (1NZ-FE) VIN T

  8.  

 
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