Diesel Data: Automotive Repair

Oil Pressure Warning Lamp/Indicator: Testing and Inspection

CHECK LOW OIL PRESSURE WARNING LIGHT




a. Disconnect the O1 switch connector.
b. Connect the terminal 1 of the wire harness side connector to the body ground.
c. Turn the ignition switch ON, and then check that the low oil pressure warning light turns on.

OK:
Low oil pressure warning light turns on

If the result is not as specified, the combination meter may have a malfunction.