GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Instrument Cluster Schematics .

Connector End View Reference: Engine Control Module Connector End Views for the 2.8L, 3.0L, 3.2L or the 3.6L engine, Engine Control Module Connector End Views for the 4.6L engine or Inline Harness Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Start the engine.

Does the engine oil pressure indicator illuminate after the displays test?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

3

Replace the instrument panel cluster (IPC). Refer to Control Module References for replacement, setup and programming.

Did you complete the replacement?

Go to Step 4

--

4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2