Left Channel

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS

Turn ignition switch OFF.
Disconnect satellite radio tuner (factory installed) connector M45 and AV control unit connector M170.

Check continuity between satellite radio tuner (factory installed) connector M45 (A) and AV control unit connector M170 (B).

A		B		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M45	21	M170	21	Yes
M45	22	M170	22	Yes

Check continuity between satellite radio tuner (factory installed) connector M45 (A) and ground.

A		-	Continuity
Connector	Terminal	-	Continuity
M45	21	Ground	No
M45	22	Ground	No

Fig 1: Checking Continuity Between Satellite Radio Tuner Connector M45 (A) & Ground

Courtesy of NISSAN NORTH AMERICA, INC.

Are continuity results as specified?

YES: GO TO 2.

NO: Repair harness or connector.

CHECK LEFT CHANNEL AUDIO SIGNAL

Connect satellite radio tuner (factory installed) and AV control unit.
Turn ignition switch ON.

Check signal between satellite radio tuner (factory installed) connector M45 terminals 21 and 22 with CONSULT or oscilloscope.

(+)		(-)	Reference signal
Connector	Terminal	(-)	Reference signal
M45	22	21

Fig 2: Checking Signal Between Satellite Radio Tuner Connector M45 Terminals 21 & 22 Using Oscilloscope

Courtesy of NISSAN NORTH AMERICA, INC.

Are voltage readings as specified?

YES: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".

NO: Replace satellite radio tuner. Refer to "REMOVAL AND INSTALLATION ".