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.
- Over inflated tires can cause excessive vibration.
- Disc labels should not be used in the audio-navigation unit or audio unit. They may damage and jam the player mechanism.

1. Confirm the vehicle's tires are properly inflated with no cupping or flat spots.

2. Check the customer's disc for scratches, fingerprints, and marks.

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

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

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

YES -

Operation is normal.�

NO -

Go to step 5.

NOTE: Do the following test with vehicle parked and the engine running.

5. Insert the diagnostic skip test CD (T/N: 07AAZ-SDBA300) (ABEX TCD 721). Play tracks 2-11, and note the track number(s) where the disc starts skipping. Do the same test on a known-good vehicle.

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

YES -

Operation is normal at this time.�

NO -

Go to step 6.

6. Insert the diagnostic skip test CD (T/N: 07AAZ-SDBA200) (ABEX TCD 725B) play tracks 7-11 and tracks 13-15, and note the track number(s) where the disc starts skipping. Do the same test on a known-good vehicle.

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

YES -

Operation is normal.�

NO -

- With navigation ('07-09 models): Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�
- With navigation ('10 model): Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�
- Without navigation: Substitute a known-good audio unit Audio Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio unit Audio Unit Removal/Installation.�