Diagnostic Test

Replace the problem CD with a good, clean, unscratched, music CD.

Turn the radio CD player on.

With the scan tool, read DTC's.

Does the scan tool display: B1421 AUDIO CD READ ERROR/INOPERABLE DISC? 

Yes 

1. Eject the inoperative CD and replace the CD in accordance with the service information.
2. Perform BODY VERIFICATION TEST - VER 1 .

No 

1. Test Complete.