Symptom Troubleshooting

Navigation System Symptom Troubleshooting - Navigation cannot control audio system

Navigation cannot control audio system

NOTE:

- Check the vehicle battery condition first 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 Navigation System Diagnostic Mode, and use Version.
- Check the connectors for poor connections or loose terminals.
- 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 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 System Links.

Is the Radio icon red?

YES -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.�

NO -

Go to step 6.

6. Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation, and recheck.

Can the navigation system control audio/disc functions?

YES -

Replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�

NO -

Do the audio system troubleshooting.�