GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Instrument Cluster Schematics

1

Did you perform the Instrument Panel Cluster (IPC) Diagnostic System Check?

Go to Step 2

Go to Symptoms - Instrument Panel, Gages and Console

2

  1. Install a scan tool.
  2. Start the engine.
  3. With the scan tool, perform the IPC Gages Oil Pressure Gage Sweep Test.

Does the engine oil pressure gage move up and down when commanded?

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

Go to Step 3

3

Replace the IPC. Refer to Instrument Cluster Replacement .

Did you complete the replacement?

Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2