Diagnosis System (Av Control Unit): Description

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

AV control unit on board diagnosis performs the following functions listed in the table below:

Mode		Description
Self Diagnosis		AV control unit diagnosis. Diagnoses the connections between system components: between Control Unit (AV control unit) and Cluster (combination meter). between Control Unit (AV control unit) and IT-Commander (multifunction switch). between Control Unit (AV control unit) and Amplifier (Bose speaker amp.). between Control Unit (AV control unit) and XM antenna. between Control Unit (AV control unit) and GPS antenna. between Control Unit (AV control unit) and TCU (Telematics control unit).
Confirmation/Adjustment	Display Diagnosis	The following functions are available: Color Spectrum Bar provides a color tone check by color bar display. Gradation Bar provides a light and shade check by gray scale display. Touch Panel: Touch Panel Calibration. Touch Panel Response Check. White Display provides a white shade check by white display.
	Vehicle Signals	Diagnosis of signals can be performed for vehicle speed, parking brake, lights, ignition and reverse.
	Navigation	Sensor Information can be displayed.
	Error Location Display	The system malfunction and the frequency when occurring in the past are displayed. When the malfunctioning item is selected, the time and place that the selected malfunction last occurred is displayed.
	AV COMM Diagnosis	The communication condition of system components can be monitored.
	### Hands-free Phone, NissanConnect Services	The following functions are available: Phone Volume Adjustment. ### Voice Microphone Test. Maintenance. Bluetooth Device Information.
	Camera	The following functions are available: Alter/Confirm Configuration. Reset Configuration. Camera Syst Type.
	Delete Unit Connection Log	Erase the connection history of unit and error history.
	Reset Settings	The following functions are available: User Data Initialization. Factory Configuration Data Initialization.
	Version Information	Version information of the AV control unit is displayed.
	Software Update	Software update can be performed.
	Speaker Test	The connection of the speakers can be confirmed by individual test tones.
	ANC/ASC	The following functions are available: Status. Setting. Connection Diagnosis. Active Test.
	SXM	The following functions are available: Diagnostic Mode Display. External Diagnostic Mode.

Perform CONSULT diagnosis if the AV control unit on board diagnosis does not start or the screen does not display anything.