GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

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

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Go to Step 2

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

2

  1. Turn the ignition switch to the on position.
  2. Turn headlamp switch to the head position.
  3. Using the dimmer switch, switch to high beams.

Do the headlamps function properly?

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Go to Step 3

Go to Step 4

3

  1. Turn the ignition switch to the on position.
  2. With a scan tool, select IPC, Special Functions, and command the high beam indicator Lamp on, then off.

Does the lamp turn on and off when commanded?

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

Go to Step 4

4

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

Is the replacement complete?

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

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