GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

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

--

Go to Step 2

Go to Diagnostic System Check - Radio/Audio System

2

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

Did you complete the repair?

--

Go to Step 5

--

4

Replace the radio and perform the set up procedure for the radio. Refer to Radio Replacement for service procedure.

Did you complete the repair?

--

Go to Step 5

--

5

Operate the system for which the symptom occurred.

Is the symptom still present?

--

Go to Step 2

System OK