Audio disc skips
- Confirm the vehicles tires are properly inflated.
- Check the customers CD for scratches, fingerprints, and marks.NOTE: The following test should be done with audio unit bass and treble set to customers listening performance. When comparing to known-good vehicles, the comparison should be done on same model and trim level.
- Test drive the vehicle to identify when customers CD skips. The audio diagnostic CD (T/N: 07AAZ-SDBA100) can be used if customers CD is not available. Use tracks 10 to 12.
Does the disc skip?
YES -Go to step 4.
NO -Operation is normal.
- Compare the customers CD that is skipping 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.
NOTE: The following test should be done with the vehicle parked and the engine running. - Insert the diagnostic skip test CD (07AAZ-SDBA300). Play tracks 2 to 11 and note the track number(s) when the CD starts skipping. Do 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 -Go to step 6.
- Insert the diagnostic skip test CD (07AAZ-SDBA200). Play tracks 7 to 11 and tracks 13 to 15 and note the track number(s) when the CD starts skipping. Do the same test on a known-good vehicle.
Does the CD skip on same track number (s) as known-good vehicle?
YES -Operation is normal.
NO -Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).