Schematic Reference: Instrument Cluster Schematics

Did you perform the IPC Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

Start the engine.

Does the engine oil pressure 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 parameter in the PCM IPC Data list.

Does the Engine Oil Pressure parameter display Low?

Go to Step 4

Go to Step 7

1. Turn OFF the ignition.
2. Disconnect the engine oil pressure indicator switch.
3. Turn ON the ignition.

Does the Engine Oil Pressure parameter display OK?

Go to Step 8

Go to Step 5

Test for a short to ground in the signal circuit of the engine oil pressure 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

Important: Perform the programming procedure for the replacement PCM.

Replace the PCM. Refer to Powertrain Control Module Replacement in Engine Controls.

Did you complete the replacement?

Go to Step 9

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Important: Perform the compass calibration and variance procedure on the replacement IPC.

Replace the IPC. Refer to Instrument Cluster Replacement .

Did you complete the replacement?

Go to Step 9

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Replace the engine oil pressure switch. Refer to Engine Oil Pressure Sensor and/or Switch Replacement in Engine Mechanical.

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