Component Tests and General Diagnostics

INSPECT ENGINE OIL LEVEL WARNING SWITCH CONTINUITY




a. Check that continuity exists between terminal with the switch in each position.
b. Heat the switch to above 60°C (140°F) in an oil bath.




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

INSPECT ENGINE OIL LEVEL WARNING SWITCH CIRCUIT







Disconnect the switch connector and inspect the connector on wire harness side.
If continuity is not as specified, inspect the wire harness or ground point.




INSPECT ENGINE OIL LEVEL WARNING LIGHT
a. Disconnect the connector from the switch.
b. Turn the IG switch ON, the warning light lights up.
c. The warning light lights up after 40 sec. from the engine has started.
If the warning light does not light up, inspect bulb or wire harness.