GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you review the Radio/Audio System Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Entertainment

2

Use the J 39916-A in order to perform the motor speed test.

Is the cassette motor speed correct?

  1. Clean the cassette player using the J 39916-A Audio System Diagnostic Audio Kit.
  2. Perform the motor speed test using the diagnostic tape located in the J 39916-A .

Did you find and correct the condition?

Go to Step 4

Go to Step 3

3

Replace the radio. Refer to Radio Replacement .

Did you complete the repair?

Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2