Operation Procedure

Start the engine.
Turn the audio system off.
While pressing the "SETUP" button, turn the volume control dial clockwise or counterclockwise for 30 clicks or more. (When the self-diagnosis mode is started, a short beep will be heard.)

Fig 1: Turning Volume Control Dial Clockwise Or Counterclockwise
Courtesy of NISSAN MOTOR CO., U.S.A.
The initial trouble diagnosis screen will be displayed, and items "Self-Diagnosis" and "Confirmation/Adjustment" can be selected.

Fig 2: Screen Display - Self-Diagnosis
Courtesy of NISSAN MOTOR CO., U.S.A.