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Home >> Acura >> 2004 >> TL Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System >> Symptom Troubleshooting >> Navigation cannot control audio/disc >> Diagnostic Test: Navi System Link
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Diagnostic Test: Navi System Link

  1. Make sure the anti-theft code for the audio system is entered.
  2. Go into the Diagnostic mode and use the "Navi System Link" diagnostic (see NAVI SYSTEM LINK ).

    Is the "Radio" icon red? 

    1. YES-  Do the troubleshooting for the voice guidance cannot be heard (see GPS ICON IS WHITE OR NOT SHOWN ).
    2. NO-  Go to step 3.
  3. Substitute a known-good navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck.

    Can the navi control audio/disc? 

    1. YES-  Replace the navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ).
    2. NO-  Do the audio system troubleshooting.
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