Diagnosis Procedure

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

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM - WITHOUT NAVIGATION SYSTEM ".

CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT

Turn ignition switch OFF.
Disconnect display unit connector M93 and AV control unit connector M45.

Check continuity between display unit harness connector M93 (A) terminal 6 and AV control unit harness connector M45 (B) terminal 39.

A		B		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M93	6	M45	39	Yes

Check continuity between display unit harness connector M93 (A) terminal 6 and ground.

A		-	Continuity
Connector	Terminal	-	Continuity
M93	6	Ground	No

Fig 1: Checking Continuity Between Display Unit Connector M93 (A) Terminal 6 And AV Control Unit Connector M45 (B) Terminal 39

Courtesy of NISSAN NORTH AMERICA, INC.

Are the continuity results as specified?

YES: GO TO 2

NO: Repair harness or connector.

CHECK RGB (G: GREEN) SIGNAL

Connect display unit connector M93 and AV control unit connector M45.
Turn ignition switch ON.

Check signal between display unit harness connector M93 terminal 6 and ground.

(+)		(-)	Condition	Reference signal
Connector	Terminal	(-)	Condition	Reference signal
M93	6	Ground	Receive audio signal

Fig 2: Checking Signal Between Display Unit Connector M93 Terminal 6 And Ground

Courtesy of NISSAN NORTH AMERICA, INC.

Are voltage readings as specified?

YES: Replace display unit. Refer to "REMOVAL AND INSTALLATION ".

NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".