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