Low oil pressure indicator does not come on with the ignition switch in ON (II), or the vehicle in the ON mode (L4)

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

Diagnostic procedure

1.	Do the low oil pressure indicator does not come on with the ignition switch in ON (II), or the vehicle in the ON mode procedure.
2.	Test the oil pressure switch.

Also check for

An open in the wire between the PCM and the oil pressure switch