Audio Screen is Not Shown (NAVI Screen is Shown)

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: COMMUNICATION LINE
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.
CHECK 2: COMMUNICATION LINE
Check display communication line. Refer to , "DISPLAY COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND DISPLAY UNIT) ".

OK or NG
1. OK : Replace display unit. Refer to , "REMOVAL AND INSTALLATION OF DISPLAY UNIT ".
2. NG : Check the malfunctioning parts.