Voice Guidance Cannot Be Heard, Is Broken Up, or There Is Static
Voice guidance cannot be heard, is broken up, or there is staticNOTE:
- Always make sure that the correct DVD color and version are installed.
- Check on-line for service bulletins or other service information for the navigation system.
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the navigation system anti-theft code.
- Make sure the DVD surface doesn't have scratches or smudges.
1. Turn the ignition switch ON (II).
2. Press the display unit SET-UP button.
3. Check the volume and voice feedback settings for the navigation system.
Are they set to OFF?
YES - Set the volume and/or voice feedback to an audible level.
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. Go into the Diagnostic Menu and use the "Navi System Link" test to check the radio.
Is the "Radio" icon red?
YES - Troubleshoot the audio system.
NO - Go to step 6.
6. Turn the ignition switch to LOCK (0).
7. Remove the audio-HVAC display module, and disconnect audio unit connector A (20P).
NOTE: Eject all the discs before removing the audio unit to prevent damaging the CD player's load mechanism.
8. Disconnect the navigation unit connector B (14P).
9. Check for continuity between body ground and navigation unit connector B (14P) terminals No. 5, No. 12 individually.
Is there continuity?
YES - Short to body ground in the wire(s) between navigation unit and audio unit. Replace the affected shielded harness.
NO - Go to step 10.
10. Check for continuity between navigation unit connector B (14P) according to the table.
Is there continuity between any of the terminals?
YES - Short in the wire(s) between navigation unit and audio unit. Replace the affected shielded harness.
NO - Go to step 11.
11. Check for continuity between navigation unit connector B (14P) terminal No. 5 and the audio unit connector A (20P) terminal No. 13.
Is there continuity?
YES - Go to step 12.
NO - Open in the wire between the navigation unit and audio unit. Check for poor connections or loose terminals at the audio and navigation units. If a poor connection or loose terminal is found, replace the affected shielded harness.
12. Check for continuity between navigation unit connector B (14P) terminal No. 12 and the audio unit connector A (20P) terminal No. 12.
Is there continuity?
YES - Go to step 13.
NO - Open in the wire between the navigation unit and audio unit. Check for poor connections or loose terminals at the audio and navigation units. If a poor connection or loose terminal is found, replace the affected shielded harness.
13. Substitute a known-good navigation unit, and recheck.
Is the system OK?
YES - Replace the original navigation unit.
NO - Replace the audio unit.