Symptom Troubleshooting

Navigation System Symptom Troubleshooting - Voice guidance cannot be heard, is broken up, or there is static

Voice guidance cannot be heard, is broken up, or there is static

Diagnostic Test: Self-Diagnosis Mode

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the navigation volume level (see Owner's Manual).
- Check the connectors for poor connections or loose terminals.
- If the Hard Error Code stored, check the Hard Error Code troubleshooting first.
- Make sure that the correct navigation DVD color and version are installed.
- Inspect the navigation DVD for dirt or damage.
- 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.
- The voice guidance is provided by the right front speaker. When you check the audio system function, make sure all speakers are working OK. Do the individual speaker test.

1. Turn the ignition switch to ON (II).

2. Press the SET-UP button.

3. Check the volume and voice feedback setting for the navigation system in set-up.

Is either set to OFF?

YES -

Set the voice feedback to ON, and select an audible level for the volume.�

NO -

Go to step 4.

4. Check the audio system operation.

Can you hear the audio system?

YES -

Go to step 5.

NO -

Troubleshoot the audio system.�

5. Check for the hard error code.

Is there a hard error code stored?

YES -

Refer to the hard error code troubleshooting.�

NO -

Go to step 6.

6. Substitute and a known-good audio unit Audio Unit Removal / Installation, and recheck.

Is the system OK?

YES -

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

NO -

Replace the navigation unit Service and Repair.�