Note. Check the vehicle battery condition first (see BATTERY TEST ). Check the connectors for poor connections or loose terminals. Discs with labels should not be used in the audio-navigation unit. They may jam and damage the player mechanism.
- Turn on the audio system.
- Insert a known-good disc or press the EJECT button. Is the DISC indicator (LED) indicated? YES -The audio-navigation unit is OK at this time. Check for loose or poor connections at the audio-navigation unit and the audio-navigation panel. NO -Substitute a known-good audio-navigation unit (including the HDD) (see «AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION»(ref-510512-S04174865142012102300000) ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see «AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION»(ref-510512-S04174865142012102300000) ). If the symptom is still present, substitute a known-good audio-navigation panel (see «AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION»(ref-510512-S04174865142012102300000) ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see «AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION»(ref-510512-S04174865142012102300000) ).