Symptom Troubleshooting

Symptom Troubleshooting: Navigation cannot control audio system

Navigation cannot control audio system

Diagnostic Test: System Links

NOTE:

- Check the vehicle battery condition first.

- 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. Navigation System Diagnostic Mode (With Navigation)

- Check the connectors for poor connections or loose terminals.

- Before troubleshooting, make sure you have the anti-theft codes for the navigation system.

- After troubleshooting, enter the anti-theft codes for the navigation system.

- Check any official Honda service web site 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 Diagnostic mode, and use the use the Self-Diagnosis Mode diagnostic. Navigation System Diagnostic Mode (With Navigation)

Is the Radio icon red?
YES - Replace the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)

NO - Go to step 6.


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

Can the navigation system control audio/disc functions?
YES - Replace the HDD. HDD Removal/Installation (With Navigation)

NO - Do the audio system troubleshooting.