Oil Pressure Sender: Testing and Inspection

ENGINE OIL PRESSURE SWITCH




1. Check that there is continuity between terminal and ground with the engine stopped.
2. Check that there is no continuity between terminal and ground with the engine running.
3. If operation is not as specified, replace the switch.
4. Disconnect the connector from the warning switch and ground terminal on the wire harness side connector.




5. Turn the ignition switch ON, check that the warning lamp lights up.
If the warning lamp does not light up, test the bulb or inspect wire harness.