Symptom Troubleshooting
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: Navi System Link
NOTE:
- Check the vehicle battery condition first. Testing and Inspection
- Check the navigation volume level.
- Check the connectors for poor connections or loose terminals.
- Inspect the 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 display unit SET-UP button.
3. Check the volume and 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 operation.
Can you hear the audio?
YES - Go to step 5.
NO - Troubleshoot the audio system.
5. Go into the Diagnostic mode, and use the Navi System Link diagnostic Navigation System Diagnostic Mode (With Navigation) 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. Disconnect the navigation unit connector B (14P) and the audio unit connector A (20P).
8. Check for continuity between body ground and navigation unit connector C (16P) terminals No. 7, and No. 14 individually.
Is there continuity?
YES - Replace the affected shielded harness.
NO - Go to step 9.
9. Check for continuity between navigation unit connector C (16P) terminals No. 13 and No. 7, and terminals No. 13 and No. 14.
Is there continuity?
YES - Replace the affected shielded harness.
NO - Go to step 10.
10. Check for continuity between navigation unit connector C (16P) terminal No. 7 and the audio unit connector A (24P) terminal No. 9.
Is there continuity?
YES - Go to step 11.
NO - There is an open in the circuit between the navigation unit and audio unit. Check for poor connections or loose terminals at the audio and navigation units. If no poor connection or loose terminal is found, replace the affected shielded harness.
11. Check for continuity between navigation unit connector C (16P) terminal No. 14 and the audio unit connector A (24P) terminal No. 8.
Is there continuity?
YES - Go to step 12.
NO - There is an open in the circuit between the navigation unit and audio unit. Check for poor connections or loose terminals at the audio and navigation units. If no poor connection or loose terminal is found, replace the affected shielded harness.
12. Substitute a known-good navigation unit, Service and Repair and recheck.
Is the system OK?
YES - Replace the navigation unit. Service and Repair
NO - Replace the audio unit. Audio Unit Removal/Installation