Diagnosis Procedure

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT

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

Check continuity between display unit harness connector and AV control unit harness connector.

TERMINALS CONTINUITY SPECIFICATION

Display unit		AV control unit		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M71	6	M83	39	Existed

Check continuity between display unit harness connector and ground.

TERMINALS CONTINUITY SPECIFICATION

Display unit		Ground	Continuity
Connector	Terminal
M71	6		Not existed

Is the inspection result normal?

YES: GO TO 2.

NO: Repair harness or connector.

CHECK RGB (G: GREEN) SIGNAL

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

Check signal between display unit harness connector and ground.

TERMINALS REFERENCE

(+)		(-)	Condition	Reference value
Display unit
Connector	Terminal
M71	6	Ground	Start confirmation/adjustment mode, and then display color bar by selecting "Color Spectrum Bar" on DISPLAY DIAGNOSIS screen.	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: Replace display unit.

NO: Replace AV control unit.