Vehicle Speed Sensor: Testing and Inspection

INSPECT VEHICLE SPEED SENSOR OPERATION
a. Connect the battery positive (+) lead to terminal 1 and the battery negative (-) lead to terminal 2.
b. Connect the tester positive (+) lead to terminal 3 and the tester negative (-) lead to terminal 2.
c. Rotate the shaft.
d. Check that there is voltage change from approx. 0 V to 11 V or more between terminals 2 and 3.

HINT: The voltage change should be performed 4 times for every revolution. If it doesn't, replace the sensor.