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 Battery Test.
- The navigation system uses the center speaker for voice response.
- Check the navigation volume level (see Navigation Manual).
- Check the connectors for poor connections or loose terminals.
- If the hard error code stored, check the hard error code troubleshooting first.
- Before troubleshooting, make sure you have the anti-theft code.
- After troubleshooting, enter the anti-theft code.
1. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
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), or press the engine start/stop button to select the OFF mode.
6. Connect the HDS to the DLC.
7. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
8. Check for DTCs with the HDS.
Are there any DTCs present?
YES -
Troubleshoot the DTC, then recheck.�
NO -
Troubleshoot 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), or press the engine start/stop button to select the OFF mode.
11. Disconnect audio-navigation unit connector D (20P) and stereo amplifier connector B (28P).
12. Check for continuity between body ground and audio-navigation unit connector D (20P) terminals No. 17 and No. 19 individually.
Is there continuity?
YES -
There is a short to body ground in the wire(s) between the audio-navigation unit and the stereo amplifier. Replace the affected shielded harness.�
NO -
Go to step 13.
13. Check for continuity between the terminals of audio-navigation unit connector D (20P) according to the table.
Is there continuity between any of the terminals?
YES -
There is a short in the wires between the audio-navigation unit and the stereo amplifier. Replace the affected shielded harness.�
NO -
Go to step 14.
14. Check for continuity between audio-navigation unit connector D (20P) terminals No. 17 and No. 19 and stereo amplifier connector B (28P) terminals No. 9 and No. 21 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 audio-navigation unit Audio-Navigation Unit Removal/Installation.�