Schematic Reference: Driver Information System Schematics

Did you perform the Driver Information Center Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Driver Information Systems

1. Start the engine.
2. Install a scan tool.
3. With a scan tool, observe the Engine Oil Life Remaining parameter in the PCM Engine Data  2 list.

Does the Engine Oil Life Remaining parameter display less than the specified value?

11%

Go to Step 3

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

1. Reset the engine oil life. Refer to GM Oil Life System Resetting in Maintenance and Lubrication.
2. With a scan tool, observe the Engine Oil Life Remaining parameter.

Does the Engine Oil Life Remaining parameter display the specified value?

100%

Go to Step 6

Go to Step 4

1. With a scan tool, observe the Reset Switch parameter in the DIC Inputs list.
2. Press the DIC RESET switch.

Does the Reset Switch parameter display On?

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Go to Step 5

Go to Driver Information Center (DIC) Switch Inoperative

Important: Program the replacement PCM.

Replace the PCM. Refer to Powertrain Control Module Replacement in Engine Controls - 4.0L.

Did you complete the replacement?

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Go to Step 6

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2