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. Testing and Inspection

- 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 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 navigation DVD color and version are installed.

- Inspect the navigation 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 menu, and select the Self-diagnosis Mode in the Select Diagnosis Items menu. Navigation System Diagnostic Mode (With Navigation)

Is the Radio icon red?
YES - Do the troubleshooting for the voice guidance cannot be heard, is broken up, or there is static. Symptom Troubleshooting

NO - Go to step 5.


4. Check the System Links.

5. Substitute a known-good navigation unit, Service and Repair and recheck.

Can the navigation system control audio/disc functions?
YES - Replace the original navigation unit. Service and Repair

NO - Do the audio system troubleshooting.