GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Radio/Audio System Schematics

1

Did you perform the Diagnostic System Check - Radio/Audio System?

Go to Step 2

Go to Diagnostic System Check - Radio/Audio System

2

Use the J 39916-A CD and Cassette Diagnostic Audio Kit in order to perform the motor speed test.

Is the cassette motor speed correct?

Go to Step 3

Go to Step 4

3

Use the J 39916-A CD in order to clean the cassette player.

Did you complete the repair?

Go to Step 5

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4

Important:: Reprogram the radio. Refer to Service Programming System (SPS) in Vehicle Control Systems.

Replace the radio. Refer to Radio Replacement .

Did you complete the repair?

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 2