GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Important: A short to ground will cause an open fuse(s). Before performing this diagnostic procedure, inspect the fuse(s) for an open.

1

Did you perform the Instrument Cluster System Check?

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Go to Step 2

Go to Instrument Cluster System Check

2

  1. Turn the ignition switch to the ON position.
  2. With the scan tool select Instrument Panel Cluster, Special Functions, Lamp Test and command the indicators ON.

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

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Go to Engine Oil Pressure Gauge Inaccurate or Inoperative

Go to Step 3

3

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Did you complete the repair?

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Go to Instrument Cluster System Check

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