GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2

  1. Install a scan tool.
  2. Start the engine.
  3. With a scan tool, observe the Battery Voltage parameter in the Instrument Panel Cluster data list.

Does the voltage measure within the normal operating range?

10 V-15 V

Go to Step 3

Go to Charging System Test in Engine Electrical

3

With a scan tool, observe the Battery Save Active parameter in the Dash Integration Module data list.

Does the scan tool indicate that the battery save function is active?

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Go to Charging System Test in Engine Electrical

Go to Step 4

4

Replace the instrument panel cluster. Refer to Instrument Cluster Replacement .

Did you complete the replacement?

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System OK

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