Left Channel

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.

CHECK HARNESS

Turn ignition switch OFF.
Disconnect satellite radio tuner (factory installed) connector M41 and AV control unit connector M136.

Check continuity between satellite radio tuner (factory installed) connector M41 (A) and AV control unit connector M136 (B).

A		B		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M41	21	M43	21	Yes
M41	22	M43	22	Yes

Check continuity between satellite radio tuner (factory installed) connector M41 (A) and ground.

A		-	Continuity
Connector	Terminal	-	Continuity
M41	21	Ground	No
M41	22	Ground	No

Fig 1: Checking Continuity Between Satellite Radio Tuner Connector M41 (A) Terminals And AV Control Unit Connector M136 (B) Terminals

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 M41 terminals 21 and 22 with CONSULT or oscilloscope.

(+)		(-)	Reference signal
Connector	Terminal	(-)	Reference signal
M41	22	21

Fig 2: Checking Signal Between Satellite Radio Tuner Connector M41 Terminals 21 And 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 ".