FixVault

Step 2 - Inspect Vehicle Speed Sensor Operation

WARNING: This page is about a different car, the 2002 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2.
    Fig 1: Testing Vehicle Speed Sensor
    G01897791Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Connect the positive (+) lead from the tester to terminal 3 and the negative (-) lead to terminal 2.
  3. NOTE:

    The voltage change should be performed 4 times for every revolution of the speed sensor shaft.

  4. Rotate the shaft.
  5. Check that there is voltage change from approximately 0 V to 11 V or more between terminals 2 and 3.

If operation is not as specified, replace the sensor.