Toyota Sienna 2000-06

Testing

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  1. Disconnect the negative battery cable.
  2.  
  3. Disconnect the fuel pump and sender electrical connector.
  4.  
  5. Using an ohmmeter, measure the resistance between terminals 4 and 5 of the sender. The resistance should be 0.2-3.0 ohms at 20 degrees C (68 F). If not as specified, replace the pump assembly.
    NOTE
    Do these tests within 10 seconds to prevent the coil from burning out. Keep the pump as far away from the battery as possible and always do the switching at the batter side.

  6.  
  7. Connect battery voltage to terminal 4 of the connector and a ground connection to terminal 5 of the connector. The fuel pump should operate. If not replace the pump.

    Click image to see an enlarged view

    Fig. Using an ohmmeter, measure the resistance between terminals 4 and 5 of the sender. The resistance should be 0.2-3.0 ohms at 20 degrees C (68 F)-Sienna



    Click image to see an enlarged view

    Fig. Connect battery voltage to terminal 4 of the connector and a ground connection to terminal 5 of the connector. The fuel pump should operate. If not replace the pump-Sienna

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