Self-Diagnosis Results

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.

The self-diagnosis mode allows the technician to diagnose the connection in the communication line between the AV control unit and each unit, and the internal operation of AV control unit.
Because the start condition of the diagnosis function is a switch operation, the on board diagnosis function cannot be started up if any malfunction is detected in the communication circuit between AV control unit and multifunction switch.
Check the applicable display in the following table, and then repair the malfunctioning parts.

SELF-DIAGNOSIS RESULT TABLE

Diagnosis results	Description	Possible malfunction location/Action to take
"Self-Diagnosis did not run because of a control unit malfunction"	AV control unit malfunction is detected.	Replace AV control unit.
Courtesy of NISSAN MOTOR CO., U.S.A. NOTE: When a control unit malfunction is detected (red in the unit display), connection malfunctions with other connection units may be displayed.	Malfunction is detected in AV control unit power supply or ground circuits.	Check AV control unit power supply and ground circuits. When detecting no malfunction in those components, replace AV control unit.
Courtesy of NISSAN MOTOR CO., U.S.A.	Malfunction is detected in the communication circuits between AV control unit and display unit.	Communication circuits between AV control unit and display unit.
Courtesy of NISSAN MOTOR CO., U.S.A.	When either one of the following items are detected: Satellite radio tuner power supply or ground circuits malfunction are detected. Malfunction is detected in the communication circuits between AV control unit and satellite radio tuner. Malfunction is detected in the request signal circuit between AV control unit and satellite radio tuner.	Satellite radio tuner power supply and ground circuits. Communication circuits between AV control unit and satellite radio tuner. Request signal circuit between AV control unit and satellite radio tuner.
Courtesy of NISSAN MOTOR CO., U.S.A.	A malfunction is detected in the camera connection recognition circuit between AV control unit and camera control unit.	Camera connection recognition circuit between AV control unit and camera control unit.