GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the seat belt circuit description and perform the necessary inspections?

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Go to Step 2

Go to Symptoms

2

Verify that the fasten safety belt indicator is always on.

Does the fasten safety belt indicator operate normally?

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

Go to Step 3

3

Was the instrument panel cluster (IPC) system check performed?

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Go to Step 4

Go to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges and Console

4

  1. Turn the ignition switch to the ON position.
  2. With a scan tool select instrument cluster (IPC), special functions, and lamp test.
  3. Command the seat belt lamp ON.

Does the seat belt lamp turn ON and OFF when commanded?

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Go to Fasten Safety Belt Chime Inoperative in Instrument Panel, Gauges and Console

Go to Step 5

5

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

Is the repair complete?

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Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3