Pinpoint Test V : The Low Oil Pressure Warning Indicator Is Never Or Always On (Base IPC (Instrument Panel Cluster) (1.5L And 2.5L): Notes

Refer to Instrument Cluster for schematic and connector information.

Normal Operation and Fault Conditions 

See Low Oil Pressure Warning Indicator. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .

If the IPC fails to receive the oil pressure warning indicator request for less than 5 seconds, the IPC defaults the low oil pressure warning indicator to the last state (on or off), based upon the last message received.

If the IPC fails to receive the oil pressure warning indicator request for 5 seconds or longer, the IPC defaults the low oil pressure warning indicator on.

Visual Inspection and Diagnostic Pre-checks 

Inspect the:

• engine for noise or other symptom indicating a base engine or low engine oil pressure concern.
• engine oil pressure switch for signs of external damage.
• engine oil pressure switch connector for signs of corrosion
• harness for damage indicating an open or short to ground.