Versions And Eq Profile Display Function: Notes

Turn ignition switch to the ON position.
Turn the audio unit off.
While pressing the "1" button, turn the volume control dial clockwise or counterclockwise 30 clicks or more. When the self-diagnosis mode is started, diagnosis default screen is displayed.

Fig 1: Turning Volume Control Dial While Pressing "1" Button
Courtesy of NISSAN NORTH AMERICA, INC.

NOTE:
Diagnosis default screen = All icons and segments of the audio unit are turned on.
Press the "DISP" switch to enter version diagnostics. Audio software version is displayed.

Fig 2: Audio Software Version Screen Display
Courtesy of NISSAN NORTH AMERICA, INC.
Press the "DISP" switch again to display the audio hardware version.

Fig 3: Audio Hardware Version Screen Display
Courtesy of NISSAN NORTH AMERICA, INC.
Press the "DISP" switch again to display the audio EEPROM version.

Fig 4: Audio EEPROM Version Screen Display
Courtesy of NISSAN NORTH AMERICA, INC.
Press the "DISP" switch again to display the status of EQ profile selection signal.

Fig 5: EQ Profile Selection Signal Status Screen Display
Courtesy of NISSAN NORTH AMERICA, INC.

NOTE:
When Control Signal Circuit (EQ) has a malfunction, "INVALID EQ" is displayed.
Press the "DISP" switch with a long press to back to diagnosis default screen.