GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Instrument Cluster Schematics.

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Using the keyless entry transmitter to open the door. Refer to Keyless Entry System Description and Operation .

Does the keyless entry transmitter operate properly?

Go to Step 3

Go to Symptoms - Keyless Entry

3

Is the vehicle equipped with a navigation system?

Go to Step 5

Go to Step 4

4

Select Driver 1 or Driver 2 from the radio. Refer to Radio/Audio System Description and Operation.

Does the radio personalization feature operate properly?

Go to Step 7

Go to Symptoms - Entertainment

5

Select Driver 1 or Driver 2 from the navigation system. Refer to Navigation System Description and Operation.

Does the navigation system personalization feature operate properly?

Go to Step 6

Go to Symptoms - Navigation Systems

6

Activate the voice recognition of the Navigation System. Refer to Navigation System Description and Operation.

Does the voice recognition of the Navigation System operate properly?

Go to Step 7

Go to Symptoms - Navigation Systems

7

Are multiple personalization features of the vehicle inoperative?

Go to Step 8

Go to the subsection with the single personalization feature that is inoperative

8

Replace the Remote Control Door Lock Receiver (RCDLR). Refer to Control Module References.

Did you find and correct the condition?

Go to Step 9

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9

Operate the system to verify the repair.

Is the failure removed?

System OK

Go to Step 2