GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

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

--

Go to Step 2

Go to Diagnostic Starting Point

2

Clean all moving parts and the tape head or use a cleaning cassette.

Does the tape play OK?

--

Go to Step 6

Go to Step 3

3

Perform a motor speed test with diagnostic test tape from J 39916-A as described in Audio Systems.

Is the motor speed OK?

--

Go to Step 4

Go to Step 5

4

The fault is with the tape.

Verify proper operation of cassette player with J 39916-A .

Is the repair complete?

--

Go to Step 6

--

5

Service radio. Refer to Radio Replacement

Did you complete the replacement?

--

Go to Step 6

--

6

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 2