GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Doors Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Door Systems

2

Verify the problem.

Is the problem current?

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Go to Step 3

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

3

Close all the vehicle doors.

Are the courtesy lamps ON?

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Go to Courtesy Lamps Always On in Lighting

Go to Step 4

4

Replace the Instrument Cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console.

Is the repair complete?

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Go to Step 5

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5

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2