GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Radio/Audio System Diagnostic System check performed?

--

Go to Step 2

Go to Diagnostic System Check - Radio/Audio System .

2

  1. Verify the customer complaint.
  2. Attempt to use the customer's tape before using a known good tape.
  3. Insert a known good tape into the tape player.

Does the tape player operate properly with the known good tape?

--

Go to Step 3

Go to Step 4

3

  1. The customer has a faulty tape.
  2. Replace the customer's tape.

--

--

--

4

  1. Check for any obstructions in the tape player.
  2. Remove any obsturctions or other foreign materials that may be present.
  3. Inspect and clean all accessible parts in the tape player or use the cleaning cassette from the J 39916 Audio System Diagnostic Kit.

Is the cleaning procedure complete?

--

Go to Step 5

--

5

  1. Perform the motor speed test.
  2. Use the test tape from the J 39916 Audio System Diagnostic Kit.

Is the motor speed OK?

--

Go to Step 7

Go to Step 6

6

Replace the radio. Refer to Radio Replacement in Entertainment.

Is the replacement complete?

--

Go to Step 7

--

7

  1. Connect all connectors and components that were disconnected.
  2. Verify that the tape player operates properly.

Does the tape player operate properly?

--

System OK

Go to Step 1