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 Battery Test.
- 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 code for the audio system and the navigation system.
- After troubleshooting, enter the anti-theft code 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 9.
NO -
Go to step 5.
5. Turn the ignition switch to LOCK (0).
6. Connect the HDS to the DLC.
7. Turn the ignition switch to ON (II).
8. Check for DTCs with the HDS.
Are there any DTCs present?
YES -
Troubleshoot the DTC, then recheck.
NO -
Troubleshooting the audio system.
9. 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 10.
10. Turn the ignition switch to LOCK (0).
11. Disconnect navigation unit connector C (16P) and stereo amplifier connector C (23P).
12. 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 stereo amplifier. Replace the affected shielded harness.
NO -
Go to step 13.
13. 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 stereo amplifier. Replace the affected shielded harness.
NO -
Go to step 14.
14. Check for continuity between navigation unit connector C (16P) terminals No. 7 and No. 14 and stereo amplifier connector C (23P) terminals No. 2 and No. 3 respectively.
Is there continuity?
YES -
Go to step 15.
NO -
There is an open in the wire between the audio-navigation unit and the stereo amplifier. Replace the affected shielded harness.
15. Substitute a known-good stereo amplifier Service and Repair, and recheck.
Is the system OK?
YES -
Replace the original stereo amplifier Service and Repair.
NO -
Replace the navigation unit Service and Repair.