Door Lock and Unlock Switch Check

CHECK DOOR LOCK AND UNLOCK INPUT SIGNAL

With CONSULT

Check door lock and unlock switch ("CDL LOCK SW" and "CDL UNLOCK SW") in DATA MONITOR mode with CONSULT.

Test item	Condition
CDL LOCK SW	Door lock and unlock switch is turned to LOCK	: ON
CDL LOCK SW	Other than above	: OFF
CDL UNLOCK SW	Door lock and unlock switch is turned to UNLOCK	: ON
CDL UNLOCK SW	Other than above	: OFF

Without CONSULT

Check voltage between BCM connector and ground

Terminals			Door lock and unlock switch condition	Voltage (V) (Approx.)
(+)		(-)
BCM connector	Terminal	(-)
M19	45	Ground	Lock	0
	45		Neutral / Unlock	Battery voltage
	46		Unlock	0
	46		Neutral / Lock	Battery voltage

Fig 1: Checking Door Lock & Unlock Input Signal

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG

OK: Door lock and unlock switch is OK.

NG1 >> With power windows, GO TO 2.

NG2 >> Without power windows, GO TO 5.

CHECK DOOR LOCK/UNLOCK SWITCH

Turn ignition switch OFF.
Disconnect door lock/unlock switch.

Check continuity between main power window and door lock/unlock switch connector D11 (B) terminal 18 and connector D11 (B) terminal 17, and connector D5 (A) terminal 6 and connector D11 (B) terminal 17.

Terminals		Condition	Continuity
18	17	Lock	Yes
18		Unlock/Neutral	No
6		Unlock	Yes
6		Lock/Neutral	No

Check continuity between power window and door lock/unlock switch RH connector D104 (C) terminals 1, 2 and 3.

Terminals		Condition	Continuity
1	3	Lock	Yes
1		Unlock/Neutral	No
2		Unlock	Yes
2		Lock/Neutral	No

Fig 2: Checking Door Lock/Unlock Switch

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG

OK: GO TO 3.

NG: Replace door lock/unlock switch.

CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS
1. Disconnect main power window and door lock/unlock switch or power window and door lock/unlock switch RH.
2. Check continuity between main power window and door lock/unlock switch connector D11 terminal 17 and ground.
  17 - Ground: Continuity should exist .
  
  Fig 3: Checking Door Lock/Unlock Switch Ground Harness
  Courtesy of NISSAN NORTH AMERICA, INC.
3. Check continuity between power window and door lock/unlock switch RH connector D104 terminal 3 and ground
  3 - Ground: Continuity should exist .
  
  Fig 4: Checking Door Lock/Unlock Switch Ground Harness
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  OK or NG
  
  OK: GO TO 4.
  
  NG: Repair or replace harness.
CHECK DOOR LOCK SWITCH CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M19 (A) terminal 45 and main power window and door lock/unlock switch connector D11 (B) terminal 18 or power window and door lock/unlock switch RH connector D104 (C) terminal 1.
  1 - 45: Continuity should exist .
  
  18 - 45: Continuity should exist .
3. Check continuity between BCM connector M19 (A) terminal 45 and ground.
  45 - Ground: Continuity should not exist .
  
  Fig 5: Checking Door Lock Switch Circuit Continuity
  Courtesy of NISSAN NORTH AMERICA, INC.
4. Check continuity between BCM connector M19 (A) terminal 46 and main power window and door lock/unlock switch LH connector D5 (B) terminal 6 or power window and door lock/unlock switch RH connector D104 (C) terminal 2.
  2 - 46: Continuity should exist .
  
  6 - 46: Continuity should exist .
5. Check continuity between BCM connector M19 (A) terminal 46 and ground.
  46 - Ground: Continuity should not exist .
  
  Fig 6: Checking Door Lock Switch Circuit
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  OK or NG
  
  OK: Replace BCM. Refer to , "REMOVAL AND INSTALLATION OF BCM ".
  
  NG: Repair or replace harness.

CHECK DOOR LOCK/UNLOCK SWITCH LH

Turn ignition switch OFF.
Disconnect door lock/unlock switch LH.

Check continuity between door lock/unlock switch LH terminals 1, 2 and 5.

Terminals		Condition	Continuity
1	5	Lock	Yes
1		Unlock/Neutral	No
2		Unlock	Yes
2		Lock/Neutral	No

Fig 7: Checking Door Lock/Unlock Switch LH

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG

OK: GO TO 6.

NG: Replace door lock/unlock switch LH.

CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS
Check continuity between door lock/unlock switch connector D6 terminal 5 and ground.

5 - Ground: Continuity should exist .

Fig 8: Checking Door Lock/Unlock Switch Ground Harness
Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG

OK: GO TO 7.

NG: Repair or replace harness.
CHECK DOOR LOCK SWITCH CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M19 (A) terminal 45 and door lock/unlock switch LH connector D6 (B) terminal 1.
  1 - 45: Continuity should exist .
3. Check continuity between BCM connector M19 (A) terminal 45 and ground.
  45 - Ground: Continuity should not exist .
  
  Fig 9: Checking Door Lock Switch Circuit
  Courtesy of NISSAN NORTH AMERICA, INC.
4. Check continuity between BCM connector M19 (A) terminal 46 and door lock/unlock switch LH connector D6 (B) terminal 2.
  2 - 46: Continuity should exist .
5. Check continuity between BCM connector M19 (A) terminal 46 and ground.
  46 - Ground: Continuity should not exist .
  
  Fig 10: Checking Door Lock Switch Circuit
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  OK or NG
  
  OK: Replace BCM. Refer to , "REMOVAL AND INSTALLATION OF BCM ".
  
  NG: Repair or replace harness.