Audio Does Not Work

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.

A/C AND AV SWITCH SELF-DIAGNOSIS
1. A/C and AV switch self-diagnosis. Refer to "A/C AND AV SWITCH SELF-DIAGNOSIS FUNCTION ".
OK or NG
1. OK : GO TO 2.
2. NG : Check the malfunctioning parts.
CHECK 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 : Replace audio unit.
2. NG : Check the malfunctioning parts.