Audio disc skips
NOTE:
- Check the vehicle battery condition first (see 12 VOLT BATTERY TEST ).
- 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.
- Confirm the vehicle's tires are properly inflated.
- Check the customer's disc for scratches, fingerprints, and marks.NOTE: The following test should be done with the audio-navigation unit or audio unit bass and treble set to the customer's listening performance. when comparing to a known-good vehicle, do the comparison on the same model and trim level.
- Test drive to identify when the customer's disc skips. The audio diagnostic CD (T/N: 07AAZ-SDBA100) can be used if customer's disc is not available. use tracks 10 - 12.
Does the disc skip?
YES -Go to step 4.
NO -Operation is normal.
- Compare the customer's disc 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 audio disc player operation is normal, the problem is with the customer's disc.
NO -Go to step 5.
NOTE: Do the following test with vehicle parked and the engine running. - 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 the same track number(s) as the known-good vehicle?
YES -Operation is normal.
NO -Go to step 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: Substitute a known-good audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).
- Without navigation: Substitute a known-good audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).