Low Oil Pressure Indicator Does Not Come on With the Ignition Switch In on (II)

Low oil pressure indicator does not come on with the ignition switch in ON (II)

Do the low oil pressure indicator circuit troubleshooting (Short) procedure Low Oil Pressure Indicator Circuit Troubleshooting - Short.

Test the oil pressure switch Testing and Inspection.

Also check for

A wire shorted to ground between the PCM and the oil pressure switch