Navigation System Does Not Activate

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

SELF-DIAGNOSIS (DISPLAY CONTROL UNIT)
"Self-diagnosis mode" of the self-diagnosis function. Refer to "SELF-DIAGNOSIS MODE (DCU) ".

OK or NG
1. OK : "AV COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND NAVI CONTROL UNIT) ".
2. NG : "SELF-DIAGNOSIS RESULT ".