Symptom Troubleshooting

Navigation System Symptom Troubleshooting - Voice guidance cannot be heard, is broken up, or there is static ('08-10 models)

Voice guidance cannot be heard, is broken up, or there is static ('08-10 models)

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Using the HDS, check for and resolve any HFL related DTCs before troubleshooting.
- Check any official Honda service website for more service information about the navigation buttons.
- Check the volume setting and voice feedback is turned ON.
- Check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the audio and navigation system anti-theft codes.
- After troubleshooting, enter the audio and navigation system anti-theft codes.

1. Press the display unit SET-UP button.

2. Check the volume setting for the navigation system.

Is it set to OFF?

YES -

Set the volume to an audible level.�

NO -

Go to step 3.

3. Check the HFL system operation making sure that the HFL system mutes and cancels.

Does the HFL system mute and cancel properly?

YES -

Go to step 4.

NO -

Troubleshoot the HFL system.�

4. Check the audio operation.

Can you hear the audio from all speakers?

YES -

Go to step 5.

NO -

Troubleshoot the audio system.�

5. Go into the Diagnostic Menu and use the Navi System Link test Navigation System Diagnostic Mode to check the audio system.

Is the Radio icon red?

YES -

Troubleshoot the audio system.�

NO -

Go to step 6.

6. Make sure the ignition switch is in LOCK (0).

7. Disconnect navigation unit connector B (16P) and audio unit connector F (20P).

8. Check for continuity between navigation unit connector B (16P) and body ground according to the table.









Is there continuity?

YES -

There is a short to body ground in the wire(s) between the navigation unit and the audio unit. Replace the affected shielded harness.�

NO -

Go to step 9.

9. Check for continuity between navigation unit connector B (16P) according to the table.













Is there continuity between any of the terminals?

YES -

There is a short in the wires between the navigation unit and the audio unit. Replace the affected shielded harness.�

NO -

Go to step 10.

10. Check for continuity between navigation unit connector B (16P) and audio unit connector F (20P) according to the table.













Is there continuity?

YES -

Substitute a known- good audio unit Audio Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio unit. If the symptom/indication is still present, replace the navigation unit Service and Repair.�

NO -

There is an open in the wire(s) between the navigation unit and the audio unit. Replace the affected shielded harness.�