Related To Headrest Display Unit And Rear Auxiliary Input Jacks

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check that there is no malfunction of rear auxiliary input jacks before performing a diagnosis.
Check that the remaining amount of the rear seat remote controller battery is sufficient to perform diagnosis.

Symptoms	Check items		Probable malfunction location / Action to take
Either one of the headrest display screens becomes black. ^*	Check if headrest display unit is in Fail-safe mode.	Headrest display unit voltage is high.	Check the battery power supply circuit of the headrest display unit. If no symptom appears, then replace headrest display unit.
		Headrest display unit voltage is low.	Check the battery power supply circuit of the headrest display unit. If no symptom appears, then replace headrest display unit.
Both of headrest display unit LH and RH screens become black. ^*	Check if video distributor is in fail-safe mode. Refer to Fail-Safe (Video Distributor) .	Video distributor voltage is high.	Check the battery power supply circuit of the video distributor. If no symptom appears, then replace video distributor.
		Video distributor voltage is low.	Check the battery power supply circuit of the video distributor. If no symptom appears, then replace video distributor.
	Check if headrest display unit is in Fail-safe mode. Refer to Fail-Safe (Headrest Display Unit) .	Headrest display unit voltage is high.	Check the battery power supply circuit of the headrest display unit. If no symptom appears, then replace headrest display unit.
		Headrest display unit voltage is low.	Check the battery power supply circuit of the headrest display unit. If no symptom appears, then replace headrest display unit.

*Check that the power supply of the headrest display is not OFF before starting the diagnosis.