Navigation Module: Service and Repair
Navigation Unit Removal/InstallationNOTE:
- Before you replace the navigation unit, back-up the client data using system diagnostic mode "save users memory" ('07 and later) under the functional set up.
- If the navigation unit is replaced or disconnected, a Map Matching must be done.
1. Turn the ignition switch to ON (II).
2. Eject the DVD from the original navigation unit. To avoid scratching or damaging the DVD, temporarily place the DVD in a jewel case.
3. Turn the ignition switch to LOCK (0).
4. Remove the trunk trim lining.
5. Remove the four screws (A) from the navigation unit brackets (B).
6. Disconnect the navigation unit connectors (C).
7. Remove the navigation unit (D).
8. Install in the reverse order of removal.
9. Turn the ignition switch to ON (II), then reinstall the client's original DVD, verifying that the DVD is free of scratches or smudges.
10. Check online for any service publications prescribing patches for the navigation system, and if any should be applied to the new navigation unit.
NOTE: Simply transferring the DVD from the original navigation unit to the new navigation unit does not assure the correct software for the vehicle will be loaded into the new navigation unit. Doing the DVD transfer without doing software patches may cause the new navigation unit to appear to be malfunctioning.
11. Enter the new navigation anti-theft code.
12. Park the vehicle outside, and do the GPS initialization.
13. Give the new navigation anti-theft code to the client.