System locks up or freezes constantly

System locks up or freezes constantly

NOTE:
- 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.

1. Turn the ignition switch ON (II).
2. Remove the DVD and check the DVD reading surface for scratches and finger prints.

Are there any scratches or finger prints on the DVD-ROM reading surface?

YES - Clean or replace the DVD-ROM and recheck.

NO - Go to step 2.

3. Turn the ignition switch OFF, and then back ON (II).

Does the system reboot?

YES - The system is OK at this time. Go into the Diagnostic mode and use the "Unit Check" diagnostic to check the navigation unit and display panel control unit status. If any status are NG, replace the affected units.

NO - Replace the navigation unit.