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
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.
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?
YES -
Go to step 5.
NO -
Troubleshoot the audio system.�
5. Clear the hard error code.
6. Turn the ignition switch to LOCK (0) and then back to ON (II).
7. 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 8.
8. Turn the ignition switch to LOCK (0).
9. Disconnect navigation unit connector C (16P) and audio unit connector B (20P).
10. Check for continuity between body ground and navigation unit connector C (16P) terminals No. 7 and No. 14 individually.
Is there continuity?
YES -
There is a short to body ground in the wire(s) between the navigation unit and the navigation display unit. Replace the affected shielded harness.�
NO -
Go to step 11.
11. Check for continuity between the terminals of navigation unit connector C (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 12.
12. Check for continuity between navigation unit connector C (16P) terminals No. 7 and No. 14 and audio unit connector B (20P) terminals No. 11 and No. 1 respectively.
Is there continuity?
YES -
Go to step 13.
NO -
There is an open in the wire(s) between the navigation unit and the audio unit. Replace the affected shielded harness.�
13. Substitute a known-good audio unit Audio Unit Removal/Installation (With Navigation), and recheck.
Is the system OK?
YES -
Replace the original audio unit Audio Unit Removal/Installation (With Navigation).�
NO -
Replace the navigation unit Service and Repair.�