Toyota Tacoma 2002-06

Throttle Position Sensor

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Testing



2.4L (2RZ-FE)
  1. Apply vacuum to the throttle opener.
  2.  
  3. Insert a thickness gauge between the throttle stop screw and stop lever.
  4.  
  5. Using an ohmmeter, measure the resistance between each terminal.

    Click image to see an enlarged view

    Fig. TPS testing



    Click image to see an enlarged view

    Fig. Resistance table

  6.  

2.7L (3RZ-FE)
  1. Apply vacuum to the throttle opener.
  2.  
  3. Insert a thickness gauge between the throttle stop screw and stop lever.
  4.  
  5. Using an ohmmeter, measure the resistance between each terminal.

    Click image to see an enlarged view

    Fig. TPS testing



    Click image to see an enlarged view

    Fig. Resistance table

  6.  

4.0L (1GR-FE)
  1. Connect the hand-held tester to the DLC3.
  2.  
  3. Turn the ignition switch ON.
  4.  
  5. When turning the accelerator pedal position sensor lever to the full-open position, check that the percentage of throttle valve opening angle. Standard percentage of the valve opening angle: 60 % or more
  6.  
  7. If operation is not as specified, check that the accelerator pedal position sensor, the wiring and the ECM.
  8.  

 
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