Check Door Lock and Unlock Switch

With CONSULT-III 

Check ("CDL LOCK SW", "CDL UNLOCK SW") in DATA MONITOR mode with CONSULT-III.

Without CONSULT-III 

1. Remove key from ignition switch, and the door of driver side and passenger side is closed.
2. Check signal between BCM connector and ground with oscilloscope when door lock and unlock switch (driver side and passenger side) is turned "LOCK" or "UNLOCK".
3. Make sure signals which are shown in the figure below can be detected during 10 second just after door lock and unlock switch (driver side and passenger side) is turned "LOCK" or "UNLOCK".
   TERMINAL SIGNAL CHART
   
   

   Terminal			Signal (Reference value)
   (+)		(-)
   BCM connector	Terminal
   M1	22	Ground	Courtesy of NISSAN MOTOR CO., U.S.A.

   Fig 1: Checking Signal Between BCM Connector Terminal 22 And Ground

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

OK or NG 

OK: Door lock and unlock switch is OK.

NG: GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect power window main switch and front power window switch (passenger side) connector.
3. Check continuity between power window main switch connector and ground.
   TERMINAL CONTINUITY CHART
   
   

   Power window main switch connector	Terminal		Continuity
   D11	17	Ground	Yes

   Fig 2: Checking Continuity Between Power Window Main Switch Connector Terminal 17 And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between power window sub-switch (front passenger side) connector and ground.
   TERMINAL CONTINUITY CHART
   
   

   Power window sub-switch (front passenger side) connector	Terminal		Continuity
   D46	11	Ground	Yes

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness.

Fig 3: Checking Continuity Between Power Window Sub-Switch (Front Passenger Side) Connector Terminal 11 And Ground

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

1. Disconnect BCM connector.
2. Check continuity between BCM connector and power window main switch connector.
   CONTINUITY CHART
   
   

   A		B		Continuity
   BCM connector	Terminal	Power window main switch connector	Terminal
   M1	22	D10	14	Yes

   Fig 4: Checking Continuity Between BCM Connector And Power Window Main Switch Connector

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity between BCM connector and power window sub-switch (front passenger side) connector.
   CONTINUITY CHART
   
   

   A		B		Continuity
   BCM connector	Terminal	Power window sub- switch (front passenger side) connector	Terminal
   M1	22	D46	16	Yes

OK or NG 

OK: Replace power window main switch.

NG: Repair or replace harness.

Fig 5: Checking Continuity Between BCM Connector And Power Window Sub-Switch (Front Passenger Side) Connector

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