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

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

HARNESS CHECK

Disconnect audio unit connector and rear door speaker connector

Check continuity between audio unit harness connector terminal and rear door speaker harness connector terminal.

TERMINAL CONDITION SPECIFICATION

Terminals				Continuity
Audio unit		Speaker
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
M44	13 (B/Y)	D202	- (V/Y)	Yes
	14 (G/Y)		+ (G/Y)
	15 (R)	D302	- (R)
	16 (L)		+ (L)

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.

TERMINAL CONDITION SPECIFICATION

Terminals			Continuity
Audio unit		-
Connector	Terminal (Wire color)
M44	13 (B/Y)	Ground	No
	14 (G/Y)
	15 (R)
	16 (L)

OK or NG

OK: GO TO 2.
NG:
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector.

REAR SPEAKER SIGNAL CHECK
1. Connect audio unit connector and rear speaker connector.
2. Turn ignition switch to ACC.
3. Push "POWER" switch.
4. Check the signal audio unit harness connector terminal with CONSULT-II or oscilloscope.
Fig 2: Terminal Condition Specification
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Rear Speaker Signal
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Replace speaker. Refer to , "REMOVAL AND INSTALLATION OF REAR DOOR SPEAKER ".
2. NG: Replace audio unit. Refer to , "REMOVAL AND INSTALLATION OF AUDIO UNIT ".