Supra Sport Roof L6-2997cc 3.0L DOHC MFI (1998)
Oil Level Warning Indicator: Testing and Inspection
INSPECT ENGINE OIL LEVEL WARNING LIGHT
a. Disconnect the connector from the switch.
b. Ground terminal 1 on the wire harness connector.
c. Turn the ignition switch ON. Check that the warning light lights up approximately 40 seconds later.
If the warning light does not light up, inspect bulb or wire harness.