GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Driver Information System Schematics

1

Did you review the Driver Information Center (DIC) Description and Operation?

Go to Step 2

Go to Driver Information Center (DIC) Description and Operation

2

Verify that the compass display is inoperative.

Does the compass operate normally?

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

Go to Step 3

3

Do the other DIC modes operate normally?

Go to Step 4

Go to Symptoms - Instrument Panel, Gages and Console

4

Perform the compass calibration procedure. Refer to Electronic Compass Calibration .

Does the compass operate properly?

Go to Step 7

Go to Step 5

5

Perform the compass variance procedure. Refer to Electronic Compass Calibration .

Does the compass operate properly?

Go to Step 7

Go to Step 6

6

Important: Perform the compass calibration and variance procedure on the replacement DIC.

Replace the DIC. Refer to Driver Information Center Module Replacement .

Did you complete the replacement?

Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2