Rear 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 rear door speaker connector.

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

AUDIO UNIT CONNECTOR AND REAR DOOR SPEAKER CONNECTORS CHECK CHART

Terminals				Continuity
Audio unit		Speaker
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
M45	13 (B/P)	D54	2 (R)	Yes
	14 (O)	D54	1 (L)
	15 (B/W)	D74	2 (R)
	16 (L)	D74	1 (L)

Check continuity between audio unit harness connector terminal and ground.

AUDIO UNIT CONNECTOR CONTINUITY CHECK CHART

Terminals			Continuity
Audio unit		-
Connector	Terminal (Wire color)	-
M45	13 (B/P)	Ground	No
	14 (O)
	15 (B/W)
	16 (L)

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

REAR SPEAKER SIGNAL CHECK
1. Connect audio unit connector and rear speaker connector.
2. Turn ignition switch ACC.
3. Push "POWER" switch.
4. Check the signal audio unit harness connector terminal with CONSULT-II or oscilloscope.
Fig 2: Identifying Audio Unit Connectors 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.