Related To Rear Display (Headrest-Mounted)

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Perform diagnosis of the power supply and ground circuits of the following items before starting diagnosis by symptom:

Video distributor. Refer to DIAGNOSIS PROCEDURE .
Headrest display unit. Refer to DIAGNOSIS PROCEDURE .

Symptom	Check item		Possible malfunction location/Action to take
Video is not shown on the headrest display unit screen.	Use the touch button in front display to switch video images on the headrest display unit.	Video is shown.	Operate with the remote to see if videos can be switched.
Video is not shown on the headrest display unit screen.		Video is not shown.	Replace headrest display unit. Refer to REMOVAL AND INSTALLATION .
Video is not shown on the headrest display unit (passenger seat). Headrest display unit (driver seat) is normal.	Perform "AV Comm Diagnosis" within "On Board Diagnosis Function". Refer to ON BOARD DIAGNOSIS FUNCTION .		AV communication circuits between headrest display unit (driver seat) and headrest displaying (passenger seat). Replace headrest display unit. Refer to REMOVAL AND INSTALLATION .
Headrest display unit inoperative with the remote.	All keys inoperative.	Check battery polarity. Replace battery.	Check with a remote from the same vehicle family. Check infrared * of the luminescent part (LED) of the remote.
Headrest display unit inoperative with the remote.	Some keys inoperative.	Check with a remote from the same vehicle family. Check infrared * of the luminescent part (LED) of the remote.	The function corresponding to the remote operation is not included (this is not a malfunction).
Headrest display unit screen is black.	Play a DVD.	Video is not shown.	Switch from AUX mode to DVD mode and check video.
		Screen is dark.	Adjust screen for image quality (this is not a malfunction).
		Screen is black.	Replace headrest display unit. Refer to REMOVAL AND INSTALLATION .
Video shown on headrest display unit screen becomes distorted or rolls up/down	Adjust the color settings using the display screen menu items.		If the symptom does not change, replace headrest display unit. Refer to REMOVAL AND INSTALLATION .
Headrest display unit screen is blue.	-		Replace headrest display unit. Refer to REMOVAL AND INSTALLATION .

* : To check infrared, check light of the luminescent part (LED) through the lens of digital camera when operating the remote.

Courtesy of NISSAN NORTH AMERICA, INC.