Speed Sensor: Inspection

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT SPEEDOMETER SENSOR
1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2.
2. Connect the positive (+) lead from the tester to terminal 3 and the negative (-) lead to terminal 2.
3. Rotate the shaft.
4. Check that the voltage output varies between 0 V and 11 V between terminals 2 and 3.
  HINT:
  
  The voltage output oscillates more than 4 times every revolution of the speed sensor shaft.
  
  If the operation is not as specified, replace the sensor.
  
  Fig 1: Identifying Speedometer Sensor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002