Self-Diagnosis Results

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Check the applicable display at the following table, and then repair the malfunctioning parts.

POSSIBLE MALFUNCTION - ONLY UNIT PART DISPLAYED IN RED

Screen switch	Description	Possible malfunction location / Action to take
Control Unit	Malfunction is detected in AV control unit power supply and ground circuits.	Check AV control unit power supply and ground circuits. When detecting no malfunction in those components, replace AV control unit.
Amplifier	When either one of the following items are detected: sound signal circuits between BOSE amp. and each speaker are malfunctioning. BOSE amp. malfunction is detected.	Malfunctioning speaker circuits Replace BOSE amp. Refer to "REMOVAL AND INSTALLATION ".

POSSIBLE MALFUNCTION - A CONNECTING CABLE BETWEEN UNITS DISPLAYED IN YELLOW

Area with yellow connection lines	Description	Possible malfunction location / Action to take
Control unit <==> Front Display	Serial communication circuits between AV control unit and front display unit are malfunctioning.	Serial communication circuits between AV control unit and front display unit.
Control unit <==> GPS Antenna	GPS antenna connection malfunctions detected.	Check the connection of the GPS antenna connector.
Control unit <==> XM Antenna	Satellite radio antenna connection malfunction is detected.	Satellite radio antenna disconnection
Control unit <==> Amplifier	When either one of the following items are detected: BOSE amp. power supply and ground circuits are malfunctioning. AV communication circuits between headrest display unit LH and BOSE amp. are malfunctioning.	BOSE amp. power supply and ground circuits. Refer to "BOSE AMP.: DIAGNOSIS PROCEDURE ". AV communication circuits between headrest display unit LH and BOSE amp.
Control unit <==> Around view Around view <==> Parking Sensor	When either one of the following items are detected: around view monitor control unit power supply and ground circuits are malfunctioning. AV communication circuits between AV control unit and around view monitor control unit are malfunctioning.	Around view monitor control unit power supply and ground circuits. AV communication circuits between AV control unit and around view monitor control unit.
Control unit <==> Parking Sensor Around view <==> Parking Sensor	When either one of the following items are detected: sonar control unit power supply and ground circuits are malfunctioning. AV communication circuits between AV control unit and sonar control unit are malfunctioning.	Sonar control unit power supply and ground circuits. AV communication circuits between AV control unit and sonar control unit.
Control unit <==> Video Dist.(Rear) Video Dist.(Rear) <==> Rear display 2	When either one of the following items are detected: video distributor power supply and ground circuits are malfunctioning. headrest display unit LH power supply and ground circuits are malfunctioning. AV communication circuits between AV control unit and headrest display unit LH are malfunctioning. location recognition signal circuit between headrest display unit LH and ground is malfunctioning.	Video distributor power supply and ground circuits. Headrest display unit LH power supply and ground circuits. AV communication circuits between AV control unit and headrest display unit LH. Location recognition signal circuit between headrest display unit LH and ground.
Video Dist.(Rear) <==> Rear display 2	When either one of the following items are detected: headrest display unit RH power supply and ground circuits are malfunctioning. AV communication circuits between headrest display unit LH and headrest display unit RH are malfunctioning. location recognition signal circuit between headrest display unit RH and ground is malfunctioning.	Headrest display unit RH power supply and ground circuits. AV communication circuits between headrest display unit LH and headrest display unit RH. Location recognition signal circuit between headrest display unit RH and ground.