GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the entire Radio/Audio System Check performed?

--

Go to Step  2

Go to Radio/Audio System Check

2

Insert the tape.

Does the tape play?

--

Go to Step  3

Go to Step  4

3

Inspect the tape player for the following conditions:

    • Weak
    • Slow
    • Garbled

Does the tape play in any of the above manners?

--

Go to Step  5

Go to Step  12

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

Service the radio. Refer to Radio Replacement .

Is the repair complete?

--

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. Refer to J 39916-A .

Does the test tape operate?

--

Go to Step  12

Go to Step  7

12

  1. Turn the ignition switch to the OFF position.
  2. Reconnect all connectors/components removed.

Have all the repairs been made?

--

Go to Radio/Audio System Check

--