Hybrid Electronic Cluster Self-Diagnostics Modes: "Oil"
WARNING: This page is about a different car, the 2002 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Displays last oil pressure reading input to instrument cluster. Oil pressure will indicate present oil pressure. Normal oil pressure will display a value between 000 and 176. An inoperative engine oil pressure switch will display a value more than 176.