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Home >> Acura >> 2009 >> 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.
  • 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 Diagnostic mode, and use Version (see VERSION ).
  • Check the connectors for poor connections or loose terminals.
  • Before troubleshooting, make sure you have 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 DVD color and version are installed.
  • Inspect the DVD for dirt or damage.
  • Check any official Honda service website for more service information about 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 use the Self-Diagnosis Mode diagnostic (see SYMPTOM DIAGNOSIS ).

    Is the Radio icon red? 

    YES  -Do the troubleshooting for the voice guidance cannot be heard (see GPS ICON IS WHITE OR NOT SHOWN ).

    NO  -Go to step 4.

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

    Can the navigation system control audio/disc functions? 

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

    NO  -Do the audio system troubleshooting.