Vehicle Speed Sensor

Voltage inspection

1. Turn ignition to ON and use a voltmeter to back probe pin 1.
2. Have an assistant rotate one drive wheel, checking other drive wheel, if necessary. This will rotate vehicle speed sensor.
   Fig 1: Identifying Vehicle Speed Sensor

   Courtesy of KIA MOTORS AMERICA, INC.
3. Voltmeter reading should alternate between approximately 1 and 10 volts.
4. If this requirement is not met, replace vehicle speed sensor.