GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the system operation and perform the necessary inspections?

--

Go to Step 2

Go to Symptoms - Entertainment

2

  1. Turn the ignition to the RUN position.
  2. Turn on the radio.
  3. Insert a cassette tape and operate.

Does the tape player operate normally?

--

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

Go to Step 3

3

Inspect the tape player for the following conditions:

    â€¢ Weak
    â€¢ Slow
    â€¢ Garbled

Does the tape play in any of the above manners?

--

Go to Step 5

Go to Step 4

4

Inspect the tape player for an obstruction through the tape door.

Is an obstruction present?

--

Go to Step 6

Go to Step 7

5

  1. Clean the moving parts and the tape head using a cleaning cassette from J 39916-A .
  2. Inspect the system.

Is the symptom still present?

--

Go to Step 8

Go to Step 12

6

  1. Remove the obstruction.
  2. Inspect the system.

Is the symptom still present?

--

Go to Step 10

Go to Step 12

7

Replace the radio. Refer to Radio Replacement .

Did you complete the replacement?

--

Go to Step 12

--

8

Perform the motor speed test with the diagnostic test tape from J 39916-A .

Is the motor speed OK?

--

Go to Step 9

Go to Step 7

9

Play a known good tape.

Is the symptom still present?

--

Go to Step 7

Go to Step 12

10

  1. Clean the moving parts and the tape head or use a cleaning cassette.
  2. Inspect the system.

Is the symptom still present?

--

Go to Step 11

Go to Step 12

11

Play the diagnostic test tape from J 39916-A .

Does the test tape operate?

--

Go to Step 12

Go to Step 7

12

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3