Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

Turn ignition switch OFF.
Disconnect BOSE speaker amp. connector B109 and suspect rear door speaker connector.

Check the continuity between BOSE speaker amp. connector B109 and suspect rear door speaker connector.

BOSE speaker amp.		Rear door speaker		Continuity
Connector	Terminal	Connector	Terminal
B109	22	D202 (LH)	1	Yes
	33		2
	23	D302 (RH)	1
	34		2

Check the continuity between BOSE speaker amp. connector B109 and ground.

BOSE speaker amp.		Continuity
Connector	Terminal			Ground
B109	22	-	No
	33
	23
	34

Is the inspection result normal?

YES

GO TO 2 .

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

Check the continuity between the terminals of BOSE speaker amp. connector B109 for the suspect rear door speaker.

BOSE speaker amp.			Rear door speaker	Continuity
Connector	Terminal
B109	22	33	LH	No
	23	34	RH

Is the inspection result normal?

YES

GO TO 3 .

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

Turn ignition switch ON.

Check the voltage between BOSE amp. connector B109 and ground for the suspect rear door speaker.

BOSE speaker amp.		Ground	Rear door speaker	Voltage
Connector	Terminal
B109	22	-	LH	0 V
	33
	23		RH
	34

Is the inspection result normal?

YES

Replace rear door speaker. Refer to Removal and Installation .

Repair or replace harness or connectors.