GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the driver information display diagnostic system check?

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Go to Step 2

Go to Diagnostic System Check - Driver Information Systems

2

Verify the compass is inaccurate or C is displayed.

Does the system operate normally?

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

Go to Step 3

3

Perform the magnetic variation adjustment and calibration of the compass.

Refer to Driver Information Center (DIC) Operation .

Does the compass display remain inaccurate or display a C?

--

Go to Step 4

System OK

4

Important: Perform the set up procedure for the replacement DID.

Replace the DID. Refer to Driver Information Center Replacement .

Did you complete the replacement?

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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?

--

System OK

Go to Step 3