Navigation cannot control audio system
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 System Diagnostic Mode (see SYSTEM DIAGNOSTIC MODE ), and use the Version (see VERSION ).
- Check the connectors for poor connections or loose terminals.
- Check any official Honda service website for more service information about the navigation system.
- Connect the HDS to the DLC.
- Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
- Check for DTCs with the HDS.
Are there any DTCs indicated?
YES -Troubleshoot the indicated DTC(s).
NO -Go to step 4.
- Make sure the anti-theft code is entered.
- Turn on the audio system, and check for sound in each mode (AM/FM and CD or DVD).
Is the sound normal?
YES -Go to step 6.
NO -Go to Sound Quality Diagnosis (see SOUND QUALITY DIAGNOSIS ) or No sound is heard from the speaker(s) (display is normal) troubleshooting (see NO SOUND IS HEARD FROM THE SPEAKER(S) (DISPLAY IS NORMAL) (WITH NAVIGATION) ).
- Check for the hard error code (see HOW TO CHECK ERROR HISTORY (NAVIGATION DTCS)
).
Are there any navigation DTCs indicated?
YES -Troubleshoot the indicated navigation DTC(s).
NO -Substitute a known-good audio-navigation unit (including the HDD) (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).