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

Check continuity between audio unit harness connector terminal and suspect speaker or tweeter harness connector terminal.

Fig 1: Checking Harness

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

TERMINAL CONTINUITY SPECIFICATION

Terminals				Continuity
Audio unit		Speaker or tweeter
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
M43	2 (W)	D3	+ (L/W)	Yes
	1 (B)		-(L/B)
	4 (Y)	D103	+ (W/B)
	3 (BR)		- (G/B)
	2 (W)	D12	+ (L/W)
	1 (B)		- (L/B)
	4 (Y)	D112	+ (W/B)
	3 (BR)		- (G/B)

Check continuity between audio unit harness connector terminal and ground.

TERMINAL CONTINUITY SPECIFICATION

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

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 audio unit connector and suspect speaker or tweeter connector.
2. Turn ignition switch ACC.
3. Push "POWER" switch.
4. Check the signal between audio unit harness connector terminal and ground with CONSULT-II or oscilloscope.
Fig 2: Terminal Specification Chart
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: Replace audio unit. Refer to , "REMOVAL AND INSTALLATION OF AUDIO UNIT ".