Schematic Reference: Instrument Cluster Schematics

Did you perform the IPC Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

Verify the low oil level indicator in the message center is always on.

Does the system operate normally?

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

Go to Step 3

1. Install scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool observe the low oil level in the PCM data 2 list.

Does the engine oil level message data value indicate NO?

Go to Step 4

Go to Step 5

Replace the IPC. Refer to Instrument Cluster Replacement .

Did you complete the replacement?

Go to Step 10

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1. Turn OFF the ignition.
2. Disconnect the PCM connector C1.
3. Turn ON the ignition, with the engine OFF.
4. Using a test lamp probe the signal circuit of the engine oil level sensor to ground. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

Go to Step 6

Go to Step 7

1. Disconnect the engine oil level sensor connector.
2. Leave the test lamp connected from the previous step.

Does the test lamp illuminate?

Go to Step 8

Go to Step 9

Important: Program the replacement PCM.

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

Did you complete the replacement?

Go to Step 10

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Repair a short to ground in the signal circuit of the engine oil level sensor. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 10

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Replace the engine oil level sensor. Refer to Engine Oil Level Sensor Replacement in Engine Controls.

Did you complete the replacement?

Go to Step 10

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3