For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Instrument Cluster Schematics . Connector End View Reference: Engine Control Module Connector End Views for the 2.8L, 3.0L, 3.2L or 3.6L engines or Engine Control Module Connector End Views for the 4.6L engine
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 |

1. Turn ON the ignition.
2. With the scan tool, observe the Engine Oil Level Switch parameter in the ECM data list.

Does the Engine Oil Level Switch parameter display OK?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3 | Replace the instrument panel cluster (IPC). Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 4 | --
4 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2