Toyota Highlander 6 2001-06

Testing

Print

1MZ-FE VIN F



  1. Connect the positive (+) lead from the battery to terminal +B and negative (-) lead to terminal RSC, and check that the valve is closed.
  2.  
  3. Connect the positive (+) lead from the battery to terminal +B and negative (-) lead to terminal RSO, and check that the valve is open.
  4.  
  5. If operation is not as specified, replace the IAC valve.

    Click image to see an enlarged view

    Fig. IAC valve testing

  6.  

2AZ-FE





Click image to see an enlarged view

Fig. Connector terminal identification

  1. Measure the resistance between terminals +B and HT. If the resistance is not as specified, replace the oxygen sensor.

    Click image to see an enlarged view

    Fig. Temperature/resistance table

  2.  

3MZ-FE



  1. Connect the positive (+) lead from the battery to terminal +B and negative (-) lead to terminal RSC, and check that the valve is closed.
  2.  
  3. Connect the positive (+) lead from the battery to terminal +B and negative (-) lead to terminal RSO, and check that the valve is open.
  4.  
  5. If operation is not as specified, replace the IAC valve.

    Click image to see an enlarged view

    Fig. IAC valve testing

  6.  

 
label.common.footer.alt.autozoneLogo