Audio Screen is Not Shown (NAVI Screen is Shown)

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK1: COMMUNICATION LINE
1. Check audio communication line. Refer to "AUDIO COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND AUDIO UNIT) ".
OK or NG
1. OK : GO TO 2.
2. NG : Check the malfunctioning parts.
CHECK2: COMMUNICATION LINE
1. Check display communication line. Refer to "DISPLAY COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND DISPLAY) ".
OK or NG
1. OK : Replace display.
2. NG : Check the malfunctioning parts.