Sound Is Not Heard From Front Door Speaker or Tweeter (BOSE 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 BOSE speaker amp. connector and front door speaker and tweeter connector (LH or RH).

Check continuity between BOSE speaker amp. harness connector terminal and front door speaker harness connector terminal.

Fig 1: Checking Harness

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

TERMINAL CONDITION SPECIFICATION

Terminals				Continuity
BOSE speaker amp.		Speaker or tweeter
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
B128	13 (L/W)	D3	+ (L/W)	Yes
	14 (L/B)	- (L/B)
	15 (W/B)	D103	+ (W/B)
	16 (G/B)		- (G/B)
	13 (L/W)	D12	+ (L/W)
	14 (L/B)		- (L/B)
	15 (W/B)	D112	+ (W/B)
	16 (G/B)		- (G/B)

Check continuity between BOSE speaker amp. harness connector terminal and ground.

TERMINAL CONDITION SPECIFICATION

Terminals			Continuity
BOSE speaker amp.		-
Connector	Terminal (Wire color)
B128	13 (L/W)	Ground	No
	14 (L/B)
	15 (W/B)
	16 (G/B)

OK or NG

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

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

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

OK or NG
1. OK: Replace speaker. Refer to , "REMOVAL AND INSTALLATION OF FRONT DOOR SPEAKER " or , "REMOVAL AND INSTALLATION OF TWEETER ".
2. NG: GO TO 3.

HARNESS CHECK

Disconnect audio unit connector and BOSE speaker amp. connector.

Check continuity between audio unit harness connector terminal and BOSE speaker amp. harness connector terminal.

TERMINAL CONTINUITY SPECIFICATION

Terminals				Continuity
Audio unit		BOSE speaker amp.
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
M43	1 (B)	B128	29 (B)	Yes
	2 (W)		30 (W)
	3 (BR)		27 (BR)
	4 (Y)		28 (Y)

Check continuity between audio unit harness connector terminal and ground.

TERMINAL CONTINUITY SPECIFICATION

Terminals			Continuity
Audio unit		-
Connector	Terminal (Wire color)
M43	1 (B)	Ground	No
	2 (W)
	3 (BR)
	4 (Y)

Fig 4: Checking Continuity Between Audio Unit Harness Connector Terminal And Ground

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

OK or NG

OK: GO TO 4.

NG:
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector.

FRONT SPEAKER SIGNAL CHECK
1. Connect audio unit connector and BOSE speaker amp. 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 5: Terminal Continuity Specification
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 6: Checking Front Speaker Signal
Courtesy of NISSAN MOTOR CO., U.S.A.

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