GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you perform the Instrument Cluster Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2

  1. Turn the ignition switch to the ON position.
  2. With a scan tool command the instrument cluster indicators ON.

Does the oil pressure indicator lamp turn ON and OFF when commanded?

Go to A Powertrain On Board Diagnostic (OBD) System Check -2.2L or A Powertrain On Board Diagnostic (OBD) System Check -2.4L in Engine Controls

Go to Step 3

3

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

Did you complete the repair?

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