Schematic Reference: Instrument Cluster Schematics

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

Start the engine.

Does the engine oil pressure (EOP) indicator display in the message center?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

1. Turn the ignition ON, with the engine OFF.
2. Install a scan tool.
3. With a scan tool, observe the Engine Oil Pressure Switch parameter in the powertrain control module (PCM) Engine Data 2 data list.

Does the Engine Oil Pressure Switch parameter display Low?

Go to Step 4

Go to Step 7

1. Turn OFF the ignition.
2. Disconnect the EOP indicator switch.
3. Turn ON the ignition.

Does the Engine Oil Pressure Switch parameter display OK?

Go to Step 8

Go to Step 5

Test for a short to ground in the signal circuit of the EOP indicator switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 9

Go to Step 6

Replace the PCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 9

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Replace the instrument panel cluster (IPC). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 9

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Replace the engine oil level switch. Refer to Engine Oil Level Sensor and/or Switch Replacement in Engine Mechanical - 3.4L.

Did you complete the replacement?

Go to Step 9

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3