Front Door Speaker Check (Base System)

WARNING: This page is about a different car, the 2003 Nissan Murano. 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 connector.

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

FRONT DOOR SPEAKER HARNESS CHECK CHART

Terminals				Continuity
Audio unit		Speaker
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
M44	2 (W)	D5	1 (L/R)	Yes
	1 (B)	D5	2 (L/B)
	4 (Y)	D34	1 (W/B)
	3 (BR)	D34	2 (G/B)

Check continuity between audio unit harness connector terminal and ground.

AUDIO UNIT HARNESS CONNECTOR CHECK CHART

Terminals			Continuity
Audio unit		-
Connector	Terminal (Wire color)	-
M44	2 (W)	Ground	No
	1 (B)
	4 (Y)
	3 (BR)

Fig 1: Checking Continuity Between Audio Unit Harness Connector Terminal And Front Door Speaker Harness Connector Terminal, And 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.

FRONT SPEAKER SIGNAL CHECK
1. Connect audio unit connector and front speaker 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: Identifying Audio Unit Connectors Reference Signal Graph
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Voltage Between Audio Unit Harness Connector Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : Inspection end.
2. NG : Replace audio unit.