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Home >> Acura >> 2009 >> CSX Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Navigation System) >> Symptom Troubleshooting >> Navigation Cannot Control Audio System >> Diagnostic Test System Links
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Diagnostic Test System Links

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Check the vehicle battery condition first (see BATTERY TEST )
  • Check for and resolve all CAN DTCs before troubleshooting the navigation system
  • Verify 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 the anti-theft code
  • After troubleshooting, enter the anti-theft code
  • Check any official Honda service website for more service information about the navigation system
  1. Connect the HDS to the DLC
  2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
  3. Check for DTCs with the HDS

    Are there any DTCs present? 

    YES  -Troubleshoot the DTC, then retest

    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 diagnosis (see SYSTEM DIAGNOSTIC MODE )

    Is the Radio icon red? 

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

    NO  -Go to step 6

  6. Substitute a known-good HDD (see HDD Removal/Installation ), and recheck

    Can the navigation system control audio/disc functions? 

    YES  -Replace the HDD

    NO  -Do the audio system troubleshooting