GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was Instrument Cluster System Check performed?

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Go to Step 2

Go to Instrument Cluster System Check

2

  1. Ignition switch ON engine OFF.
  2. Connect a scan tool.
  3. Select PCM DATA 3.

Does the scan tool indicate that the Engine Oil Pressure Indicator is LOW ?

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Go to Step 3

Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls

3

Start engine

Does scan tool indicate that engine oil pressure is normal?

 

Go to Step 4

Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls

4

Replace the Instrument Cluster (IPC). Refer to Instrument Cluster Replacement .

Is the replacement complete?

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Go to Instrument Cluster System Check

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