GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Schematic Reference: Driver Information System Schematics

1

Did you perform the Driver Information Center Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Driver Information Systems

2

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the suspect DIC switch parameter in the DIC Inputs data list.
  4. Depress the suspect DIC switch.

Does the switch parameter change state?

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

Go to Step 3

3

Replace the DIC.

Did you complete the replacement?

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Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2