Operation CHARM: Car repair manuals for everyone.

Check Engine Oil Pressure

The engine oil pressure indicator may only be ON during RUN. The IPC illuminates the engine oil pressure indicator under the following conditions:
^ During the bulb check.
^ The Powertrain Control Module (PCM) sends a class 2 serial data message requesting illumination due to low engine oil pressure. The IPC also sends a class 2 serial data message requesting 5 chimes to sound and displays the OIL PRESSURE LOW/STOP ENGINE message on the DIC.