Sound Is Not Heard From Rear Door Speaker (Base System)

1. Disconnect audio unit connector and rear door speaker connector.
2. Check continuity between audio unit (A) connector terminal and rear door speaker (B) connector terminal.
   AUDIO UNIT (A) CONNECTOR TERMINAL AND REAR DOOR SPEAKER (B) CONNECTOR TERMINAL
   
   

   Terminals				Continuity
   A		B
   Connector	Terminal	Connector	Terminal
   M51	5	D202	-	Yes
   	4		+
   	14	D302	-
   	13		+

3. Check continuity between audio unit harness connector terminal and ground.

Fig 1: Checking Continuity Between Audio Unit Harness Connector Terminal And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK: GO TO 2.

NG:

• Check connector housings for disconnected or loose terminals.
• Repair harness or connector.

1. Connect audio unit connector and rear speaker connector.
2. Turn ignition switch to ACC.
3. Push "POWER" switch.
4. Check the signal between audio unit harness connector terminals with CONSULT-III or oscilloscope.
   REAR SPEAKER SIGNAL CHECK
   
   

   Terminals				Condition	Reference signal
   (+)		(-)
   Connector	Terminal	Connector	Terminal
   M51	4	M51	5	Receive audio signal	Courtesy of NISSAN MOTOR CO., U.S.A.
   	13		14

   Fig 2: Checking Signal Between Audio Unit Harness Connector Terminals

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK : Replace speaker. Refer to "REAR DOOR SPEAKER ".

NG: Replace audio unit. Refer to "REMOVAL AND INSTALLATION ".