If NAVI Control Unit Detects That Inserted DVD-ROM Map Malfunctioning or If It is Impossible to Load Data from DVD-ROM Map

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK 1: DVD-ROM
1. Remove inserted DVD-ROM map to check that it is identified.
OK or NG
1. OK : GO TO 2.
2. NG : Replace identified DVD-ROM map.
CHECK 2: DVD-ROM
1. Check DVD-ROM for dirt, scratches and warpage.
OK or NG
1. OK : GO TO 3.
2. NG : Replace DVD-ROM map.
CHECK 3: DVD-ROM
1. Insert same DVD-ROM to make sure same diagnosis result is found as last self-diagnosis.
OK or NG
1. OK : Replace NAVI control unit. Refer to , "REMOVAL AND INSTALLATION OF NAVI CONTROL UNIT ".
2. NG : Replace DVD-ROM map.