Operation CHARM: Car repair manuals for everyone.

Vehicle Speed Sensor: Testing and Inspection

Speed Sensor Test:





1. Disconnect speedometer cable.

2. Connect ohmmeter to terminals #16 and #15.

3. Using a suitable screwdriver, slowly rotate speedometer.

4. Ohmmeter needle should deflect 2 times per revolution.

5. If needle does not deflect, replace speedometer/speed sensor assembly.