Check Trunk Room Lamp Switch

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK TRUNK ROOM LAMP SWITCH INPUT SIGNAL

With CONSULT-III

Check ("TRUNK SW") in "DATA MONITOR" mode with CONSULT-III.

MONITOR ITEM CHART

Monitor item	Condition
TRUNK SW	OPEN	: ON
TRUNK SW	CLOSE	: OFF

Without CONSULT-III

Turn ignition switch OFF.

Check voltage between BCM connector and ground.

TERMINAL VOLTAGE CHART

Terminals			Trunk condition	Voltage (V) (Approx.)
(+)		(-)
BCM connector	Terminal	(-)
M3	57	Ground	OPEN	0
M3	57	Ground	CLOSE	Battery voltage

OK or NG

OK: Trunk room lamp switch circuit is OK.

NG: GO TO 2.

Fig 1: Checking Voltage Between BCM Connector Terminal 57 And Ground

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

CHECK TRUNK ROOM LAMP SWITCH

Turn ignition switch OFF.
Disconnect trunk lid lock assembly connector.

Check trunk room lamp switch.

TERMINAL CONTINUITY CHART

Terminal		Trunk condition	Continuity
Trunk room lamp switch		Trunk condition	Continuity
1	2	OPEN	Yes
1	2	CLOSE	No

OK or NG

OK: GO TO 3.

NG: Replace trunk room lamp switch.

Fig 2: Checking Trunk Room Lamp Switch

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

CHECK TRUNK ROOM LAMP SWITCH CIRCUIT

Disconnect BCM connector.

Check continuity between BCM connector and trunk lid lock assembly connector.

CONTINUITY CHART

A		B		Continuity
BCM connector	Terminal	Trunk lid lock assembly connector	Terminal	Continuity
M3	57	T106	1	Yes

Check continuity between BCM connector and ground.

CONTINUITY CHART

A		Ground	Continuity
BCM connector	Terminal
M3	57		No

Fig 3: Checking Continuity Between BCM Connector And Trunk Lid Lock Assembly Connector

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

OK or NG

OK: GO TO 4.

NG: Repair or replace harness between BCM and trunk room lamp switch.

CHECK TRUNK ROOM LAMP SWITCH GROUND CIRCUIT

Check continuity between trunk lid lock assembly connector and ground.

TERMINAL CONTINUITY CHART

Trunk lid lock assembly connector	Terminal	Ground	Continuity
T106	2	Ground	Yes

OK or NG

OK: GO TO 5.

NG: Repair or replace trunk room lamp switch ground circuit.

Fig 4: Checking Continuity Between Trunk Lid Lock Assembly Connector Terminal 2 And Ground

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

CHECK BCM OUTPUT SIGNAL

Connect BCM connector.

Check voltage between BCM connector and ground.

TERMINAL VOLTAGE CHART

Terminals			Voltage (V) (Approx.)
(+)		(-)
BCM connector	Terminal	(-)
M3	57	Ground	Battery voltage

OK or NG

OK: Check the condition of harness and connector.

NG: Replace BCM.

Fig 5: Checking Voltage Between BCM Connector Terminal 57 And Ground

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