Vehicle Speed Sensor: Testing and Inspection

VEHICLE SPEED SENSOR INSPECTION

Vehicle Speed Sensor Inspection:

1. Connect the positive (+) lead from battery to terminal 1 and negative (-) lead to terminal 2 as shown.
2. Connect the positive (+) lead from tester to terminal 3 and negative (-) lead to terminal 2 as shown.
3. Revolve shaft.
4. Check that there is a voltage change from approx. 0.0 volts to 11.0 volts or more between terminals 3 and 2.

NOTE: The voltage should change 4 times per each revolution of the speed sensor shaft.

If operation is not as specified, replace the sensor.