Operation CHARM: Car repair manuals for everyone.

Engine Oil Level Warning

ENGINE OIL LEVEL WARNING INSPECTION

1. INSPECT WARNING SWITCH CONTINUITY





a. Check that there is continuity between terminal 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 with the switch ON (float up).
d. Check that there is no continuity between terminals a with the switch OFF (float down).
If operation is not as specified, replace the switch.








2. INSPECT WARNING SWITCH CIRCUIT
Disconnect the switch connector and inspect the connector on wire harness side, as shown.
If continuity is not as specified. inspect the wire harness or ground point.





3. INSPECT WARNING LIGHT
a. Disconnect the connector from the switch.
b. Ground terminal 1 on the wire harness connector.
c. Engine running. Check that the warning light lights up approximately 40 seconds later.
If the warning light does not light up, inspect bulb or wire harness.