Oil Pressure Sender: Testing and Inspection
INSPECT LOW OIL PRESSURE SWITCH CONTINUITY
a. Check that continuity exists between terminal and ground with the engine stopped.
b. Check that no continuity exists between terminal and ground with the engine running.
HINT: The oil pressure should be over 24.5 kPa (0.25 kg/cm2, 3.55 psi).
If operation is not as specified, replace the switch.