Oil Level Sensor: Testing and Inspection

Inspect Engine Oil Level Sensor

a. Check that there is continuity between terminals 1 and 2 with the switch each position.




b. Heat the switch to above 60°C (140°F) in an oil bath.

c. Check that there is continuity between terminals 1 and 2 with the switch ON (float up).

d. Check that there is no continuity between terminals 1 and 2 with the switch OFF (float down).

If operation is not as specified, replace the switch.