Diagnosis Procedure

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.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT CONTINUITY

Turn ignition switch OFF.
Disconnect AV control unit connector M194 and display unit connector.

Check continuity between AV control unit connector M194 terminal 74 and display unit connector M93 terminal 20.

AV control unit		Display unit		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M194	74	M93	20	Yes

Check continuity between AV control unit connector M194 terminal 74 and ground.

AV control unit		Ground	Continuity
Connector	Terminal
M194	74		No

Is inspection result normal?

YES

GO TO STEP 2 .

Repair or replace harness or connectors.

CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL

Connect AV control unit connector M194 and display unit connector.
Turn ignition switch ON.

Check signal between display unit connector M93 terminal 20 and ground.

Display unit		Ground	Reference value
(+)		(-)
Connector	Terminal	(-)
M93	20	-	Courtesy of NISSAN NORTH AMERICA, INC.

Is inspection result normal?

YES

Replace AV control unit. Refer to REMOVAL AND INSTALLATION .

Replace display unit. Refer to REMOVAL AND INSTALLATION .