Symptom Troubleshooting

Audio System Symptom Troubleshooting - Audio disc skips

Special Tools Required

- Diagnostic CD 07AAZ-SDBA100
- Skip Test CD 07AAZ-SDBA200
- Skip Test CD 07AAZ-SDBA300

Audio disc skips

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- Disc labels should not be used in the audio unit. They may jam and damage the player mechanism.

1. Confirm the vehicle tires are properly inflated.

2. Check the CD for scratches, fingerprints, and marks.

NOTE: The following test should be performed with audio unit bass and treble set to customer's listening performance. When comparing to a known-good vehicle, comparison should be performed on same model and trim level.

3. Test drive to identify when the CD skips. The audio diagnostic CD (T/N: 07AAZ-SDBA100) can be used if the customer's CD is not available. Use tracks 10 to 12.

Does the CD skip?

YES -

Go to step 4.

NO -

Operation is normal.�

4. Compare the customer's CD that skips to a known-good vehicle under the same conditions.

Does the CD skip in the known-good vehicle under the same conditions?

YES -

Operation is normal.�

NO -

Go to step 5.

5. Insert the diagnostic skip test CD (07AAZ-SDBA300) (ABEX TCD 721). Play tracks 2 to 11 and note the track number(s) where the CD starts skipping. Do the same test on a known-good vehicle while parked and engine running.

Does the CD skip on same track number(s) as the known-good vehicle?

YES -

Operation is normal.�

NO -

Go to step 6.

6. Insert the diagnostic skip test CD (07AAZ-SDBA200) (ABEX TCD 725B) play tracks 7 to 11 and tracks 13 to 15 and note the track number(s) the CD starts skipping. Perform the same test on a known-good vehicle.

Does the CD skip on same track number(s) as the known-good vehicle?

YES -

Operation is normal.�

NO -

- With navigation: Replace the audio disc changer Service and Repair.�
- Without navigation: Replace the audio unit Audio Unit Removal/Installation.�