Symptom Troubleshooting
Navigation System Symptom Troubleshooting - Voice control does not work/respond
Voice control does not work/respond
Diagnostic Test: Mic Level
NOTE:
- Check the vehicle battery condition first 12 Volt Battery Test.
- Make sure that the correct navigation DVD color and version are installed.
- Check any official Honda service website for more information about the navigation system.
- Check the connector for poor connection or loose terminals.
- Before troubleshooting, make sure you have the anti-theft code for the audio-navigation unit.
- After troubleshooting, enter the anti-theft code for the audio-navigation unit.
- Before assuming that a voice complaint is hardware related, ensure that the voice control system is being operated correctly.
- Make sure you are sitting in the driver's seat when you give voice commands.
- Make sure you are on the correct screen when trying to issue a voice command. For instance, the command "Find the nearest Italian Restaurant" only works on a Map screen. (See the navigation system manual for a complete list of allowed voice commands for the information being displayed.)
- Close the windows, moonroof, and doors.
- Set the fan speed to low (1 or 2).
- Adjust the air flow from the air conditioning vents so that they do not blow against the microphone on the ceiling.
- Pause after pressing the navigation TALK button, then give a voice command clearly in a natural speaking voice. If the system cannot recognize your command, speak louder.
- If the microphone picks up voices other than yours, the system may not interpret your voice commands correctly.
- If you speak a command with something in your mouth, or your voice is too husky, the system may misunderstand your command.
- Compare the system operation with a known-good vehicle. Have more than one person test the system operation. If the known-good vehicle performs the same, it is a characteristic of the system.
1. Turn the ignition switch to ON (II).
2. Go into the System Diagnostic Mode, select Detail Information & Settings, and use the Mic Level test under Functional Setup to check the operation of the navigation TALK and navigation BACK buttons.
Are the navigation TALK and navigation BACK buttons operational when you press the button?
YES -
Go to step 11.
NO -
Go to step 3.
3. Turn the ignition switch to LOCK (0).
4. Do the voice control switch test Testing and Inspection.
Is the voice control switch OK?
YES -
Go to step 5.
NO -
Replace the HFL-navigation voice control switch Service and Repair.�
5. Remove the audio-navigation unit.
6. Disconnect the HFL-navigation voice control switch 5P connector and audio-navigation unit connector D (12P).
7. Check for continuity between audio-navigation unit connector D (12P) terminal No. 1 and body ground.
Is there continuity?
YES -
Repair a short to body ground in the wire between the audio-navigation unit and the HFL-navigation voice control switch, or replace the cable reel Service and Repair.�
NO -
Go to step 8.
8. Check for continuity between audio-navigation unit connector D (12P) terminal No. 1 and HFL-navigation voice control switch 5P connector terminal No. 2.
Is there continuity?
YES -
Go to step 9.
NO -
Repair an open in the wire between the audio-navigation unit and the HFL-navigation voice control switch, or replace the cable reel Service and Repair.�
9. Disconnect audio-navigation unit connector A (24P).
10. Check for continuity between audio-navigation unit connector A (24P) terminal No. 5 and HFL-navigation voice control switch 5P connector terminal No. 4.
Is there continuity?
YES -
Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.�
NO -
Repair an open in the wire between the audio-navigation unit and the HFL-navigation voice control switch, or replace the cable reel Service and Repair.�
11. Use the Mic Level test under Functional Setup to check the operation of the microphone.
Is the microphone operational?
YES -
Check the operation of the voice control system (see the Navigation System Manual).�
NO -
Go to step 12.
12. Clear the hard error code.
13. Turn the ignition switch to LOCK (0), and then back to ON (II).
14. Check for the hard error code.
Is DTC 2707 indicated?
YES -
Do the DTC 2707 troubleshooting 2707.�
NO -
Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�