Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT

Turn ignition switch OFF.
Disconnect rear auxiliary input jacks connector and video distributor connector.

Check continuity between rear auxiliary input jacks harness connector and video distributor harness connector.

CONTINUITY SPECIFICATION

Rear auxiliary input jacks		Video distributor		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M98	7	M218	40	Existed

Check continuity between rear auxiliary input jacks harness connector and ground.

CONTINUITY SPECIFICATION

Rear auxiliary input jacks		Ground	Continuity
Connector	Terminal
M98	7		Not existed

Is the inspection result normal?

YES: Go to 2.

NO: Repair harness or connector.

CHECK AUX IMAGE SIGNAL

Connect rear auxiliary input jacks connector and video distributor connector.
Turn ignition switch ON.

Check signal between rear auxiliary input jacks harness connector and ground.

SIGNAL REFERENCE

(+)		(-)	Condition	Reference value
Rear auxiliary input jacks
Connector	Terminal
M98	7	Ground	At rear AUX image is displayed on headrest display unit.	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: Replace video distributor. Refer to "REMOVAL AND INSTALLATION ".

NO: Check that there is no malfunction in the external device.