Trunk Room Lamp Switch Check

With CONSULT 

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

Without CONSULT 

1. Turn ignition switch OFF.
2. Check voltage between BCM harness connector M19 terminal 42 and ground.

   Connector	Terminals		Trunk condition	Voltage (V) (Approx.)
   	(+)	(-)
   M19	42	Ground	CLOSED	Battery voltage
   			OPEN	0

   Fig 1: Checking Trunk Room Lamp Switch Input Signal

   Courtesy of NISSAN NORTH AMERICA, INC.

   OK or NG 

   OK: Trunk room lamp switch circuit is OK.

   NG: GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect trunk room lamp switch connector.
3. Check continuity between trunk room lamp switch terminals 1 and 2.

   Terminals		Trunk condition	Continuity
   1	2	CLOSED	No
   		OPEN	Yes

   Fig 2: Checking Trunk Room Lamp Switch

   Courtesy of NISSAN NORTH AMERICA, INC.

   OK or NG 

   OK: GO TO 3.

   NG: Replace trunk room lamp switch.

1. Disconnect BCM connector M19.
2. Check continuity between BCM harness connector M19 (A) terminal 42 and trunk room lamp switch harness connector B57 (B) terminal 1.

   42 - 1: Continuity should exist  .

   Fig 3: Checking Trunk Room Lamp Switch Circuit

   Courtesy of NISSAN NORTH AMERICA, INC.
3. Check continuity between BCM harness connector M19 (A) terminal 42 and ground.

   42 - Ground: Continuity should not exist  .

   OK or NG 

   OK: GO TO 4.

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

Check continuity between trunk room lamp switch harness connector B57 terminal 2 and ground.

2 - Ground: Continuity should exist  .

Fig 4: Checking Trunk Room Lamp Switch Ground Circuit

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG 

OK: Check connection of harness and connector.

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