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Navigation cannot control XM radio

NOTE:
  • Check the vehicle battery condition first (see BATTERY TEST ).
  • Check any official Honda service website for more service information about the navigation system.
  • Check for and resolve all CAN DTCs before troubleshooting the navigation system.
  1. Turn the ignition switch to ON (II).
  2. Make sure the anti-theft code for the audio system is entered.
  3. Go into the Diagnostic mode, and use the System Links diagnosis (see SYSTEM LINKS  ).

    Is the XM icon red? 

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

    NO  -Go to step 4.

  4. Substitute a known-good audio-navigation unit (including the HDD) (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION  ).

    Can the navigation system control XM radio functions? 

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

    NO  -Do the audio system troubleshooting.