Diagnosis Description: Self-Diagnosis

1. Perform self-diagnosis by selecting "Self-diagnosis".
   • Self-diagnosis subdivision screen is displayed, and the self-diagnosis mode starts.
   • A bar graph visible on the center of the self-diagnosis subdivision screen indicates progress of the trouble diagnosis.
   NOTE: Self-diagnosis requires approximately 10 seconds to complete.
   Fig 1: Screen Display - Self-Diagnosis

   Courtesy of NISSAN MOTOR CO., U.S.A.
2. Diagnosis results are displayed after the self-diagnosis is completed. The unit names and the connection lines are color-coded according to the diagnostic results.

   Diagnosis results Unit Connection line 

   Normal Green Green 

   Connection malfunction Gray Yellow 

   Unit malfunction  ^Note  Red Green 

   Fig 2: Screen Display - Self-Diagnosis

   Courtesy of NISSAN MOTOR CO., U.S.A.
   NOTE:

   • Only the control unit (AV control unit) is displayed in red.
   • If multiple malfunctions occur at the same time for a single unit, the screen switch colors are determined according to the following order of priority: red > yellow > gray.
3. Select a switch on the "SELF DIAGNOSIS" screen and comments for the diagnosis results will be shown.

Fig 3: Screen Display - Self-Diagnosis

Courtesy of NISSAN MOTOR CO., U.S.A.

Self-Diagnosis Results

Area with yellow connection lines	Description	Possible malfunction location / Action to take
Courtesy of NISSAN MOTOR CO., U.S.A.	AV control unit malfunction is detected	Replace the AV control unit. Refer to "REMOVAL AND INSTALLATION ".
Courtesy of NISSAN MOTOR CO., U.S.A.	GPS antenna connection malfunction is detected	GPS antenna
Courtesy of NISSAN MOTOR CO., U.S.A.	Poor connection is detected in satellite antenna	Satellite antenna feeder Satellite antenna
Courtesy of NISSAN MOTOR CO., U.S.A.	No diagnosis due to internal malfunction of CD changer	Replace the CD changer. Refer to "REMOVAL AND INSTALLATION ".
Courtesy of NISSAN MOTOR CO., U.S.A.	CD changer power supply and ground circuits A malfunction is detected in communication circuit between AV control unit and CD changer (REQ1 signal or communication signal) A malfunction is detected in communication signal between AV control unit and CD changer (REQ1 signal or communication signal)	CD changer power supply and ground circuits Communication line between AV control unit and CD changer (REQ1 signal or communication signal)