Oil Pressure Switch (For Fuel Pump): Testing and Inspection

INSPECT ENGINE OIL PRESSURE SWITCH

a. Disconnect the connector from the engine oil pressure switch.
b. Engine switch on (IG).
c. Ground the terminal of the wire harness side connector, then check the low oil pressure warning light.

OK: Oil pressure warning light comes on.

HINT: If the warning message is not displayed, go to the problem symptoms table.