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Home >> Acura >> 2012 >> RL >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System >> Symptom Troubleshooting >> Navigation cannot control audio system >> Diagnostic Test: System Links

Diagnostic Test: System Links

NOTE:
  • Check the vehicle battery condition first (see BATTERY TEST ).
  • Check the connectors for poor connections or loose terminals.
  • Check for and resolve all CAN DTCs before troubleshooting the navigation system.
  • Verity that the correct navigation unit is installed for this model. Go into the System Diagnostic Mode, and use Version (see VERSION  ).
  • Before troubleshooting, make sure you have the anti-theft codes for the audio system and the navigation system.
  • After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
  • Make sure that the correct navigation DVD color and version are installed.
  • Inspect the navigation DVD for dirt or damage.
  • Check any official Honda service website for more service information about the navigation system.
  1. Connect the HDS to the DLC (see GENERAL TROUBLESHOOTING INFORMATION ).
  2. Turn the ignition switch to ON (II).
  3. Check for DTCs with the HDS.

    Are there any DTCs present? 

    YES  -Troubleshoot the DTC, then recheck.

    NO  -Go to step 4.

  4. Make sure the anti-theft code is entered.
  5. Go into the System Diagnostic Mode, and use the use the System Links (see SYSTEM LINKS  ).

    Is the Radio icon red? 

    YES  -Do the voice guidance cannot be heard troubleshooting (see VOICE GUIDANCE CANNOT BE HEARD, IS BROKEN UP, OR THERE IS STATIC  ).

    NO  -Go to step 6.

  6. Substitute a known-good navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION  ), and recheck.

    Can the navigation system control audio/disc functions? 

    YES  -Replace the original navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION  ).

    NO  -Do the audio system troubleshooting.