Operation Procedure

WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Start the engine.
Turn the audio system off.
While pressing the "4" 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 shown, and items "Self-Diagnosis (DCU)", "Self-Diagnosis (NAVI)", "Confirmation/Adjustment" and "CAN DIAG SUPPORT MONITOR" will become selective.

Fig 2: Displaying Self-Diagnosis Screen CAN DIAG SUPPORT MONITOR
Courtesy of NISSAN MOTOR CO., U.S.A.
Perform self-diagnosis by selecting the "Self-diagnosis (NAVI)".
- Self-diagnosis subdivision screen will be shown and the operation enters the self-diagnosis mode.
- A bar graph shown below the self-diagnosis subdivision screen indicates progress of the diagnosis.
  
  Fig 3: Displaying Self-Diagnosis (NAVI) Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
On the "SELF DIAGNOSIS" screen, each unit name will be colored according to the diagnosis result, as follows.
Green: Not malfunctioning.

Yellow: Cannot be judged by self-diagnosis results.

Red: Unit is malfunctioning.

Gray: Diagnosis has not been done.
- If several malfunctions are present in a unit, color of its switch on the screen will be either red, yellow, or gray, determined by the malfunction of the highest priority.
  
  Fig 4: Displaying Self-Diagnosis Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
Select a switch on the "SELF DIAGNOSIS" screen and comments for the diagnosis results will be shown.
- When the switch is green, the following comment will be shown. "Self-diagnosis was successful. Further diagnosis and adjustments are recommended. Follow the "Confirmation and Adjustments" menu or refer to the service information."
- When the switch is yellow, the following comment will be shown. "Connection to the following unit is abnormal. See the service information for further details".
- When the switch is red, the following comment will be shown. "Center Control Unit is abnormal".
  
  Fig 5: Displaying Self-Diagnosis Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
- When the switch is gray, the following comment will be shown. "Self-diagnosis for DVD-ROM DRIVER of NAVI was not conducted because no DVD-ROM was available."