Self-Diagnosis Function: Description

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

Diagnosis function has 2 modes; self-diagnosis mode and Confirmation/adjustment mode.
Self-diagnosis mode checks connections between AV and NAVI control unit and rear view camera control unit, and shows the results on the display screen.
The Confirmation/Adjustment mode adjusts the guidelines which overlap rear view monitor image.