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 (with navigation)

NOTE:

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

1. Confirm the vehicles tires are properly inflated.

2. Check the client's disc for scratches and fingerprints.

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

3. Test-drive the vehicle to identify when the client's disc skips. The audio diagnostic CD (T/N 07AAZ-SDBA100) can be used if the client'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 client'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 -

The disc player operation is normal, the problem is with the client's disc.�

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). Play tracks 2-11, and note on which track number(s) the disc starts skipping. Do the same test on a known-good vehicle.

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

YES -

Operation is normal.�

NO -

Go to step 6.

6. Insert the diagnostic skip test CD (T/N 07AAZ-SDBA200). Play tracks 7-11 and tracks 13-15, and note on which track number(s) 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 -

Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�