Nissan Pathfinder: Door & Lock - Door Lock/unlock Switch

• Front Lh
• Front Rh

Front Lh Nissan Pathfinder 5th Gen

ComponentFunctionCheck

CHECK FUNCTION

CONSULT

1. Ignition switch ON.

2. Select “INT LAMP” of “BCM”.

3. Select “CDL LOCK SW”, “CDL UNLOCK SW” in “DATA MONITOR” mode.

4. Check that the function operates normally according to the following conditions.

Monitor item	Condition		Status
CDL LOCK SW	Door lock/unlock switch LH	LOCK	On
		UNLOCK	Off
CDL UNLOCK SW		LOCK	Off
		UNLOCK	On

Is the inspection result normal?

YES>>

Door lock/unlock switch LH is OK.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL

1. Ignition switch OFF.

2. Disconnect door lock/unlock switch LH connector.

3. Check voltage between door lock/unlock switch LH harness connector and ground.

   (+)		(–)	Voltage (Approx.)
   Door lock/unlock switch LH
   Connector	Terminal
   D10	1	Ground	Battery voltage
   	2

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK DOOR LOCK/UNLOCK SWITCH CIRCUIT

1. Disconnect BCM connector.

2. Check continuity between BCM harness connector and door lock/unlock switch LH harness connector.

   BCM		Door lock/unlock switch LH		Continuity
   Connector	Terminal	Connector	Terminal
   M18	11	D10	2	Yes
   	14		1

3. Check continuity between BCM harness connector and ground.

   BCM		—	Continuity
   Connector	Terminal
   M18	11	Ground	No
   	14

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Repair or replace harness.

CHECK DOOR LOCK/UNLOCK SWITCH GROUND CIRCUIT

Check continuity between door lock/unlock switch LH harness connector and ground.

Door lock/unlock switch LH		—	Continuity
Connector	Terminal
D10	4	Ground	Yes

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace harness.

CHECK DOOR LOCK/UNLOCK SWITCH

Check door lock/unlock switch LH. Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Replace door lock/unlock switch LH. Refer to Removal and Installation.

CHECK INTERMITTENT INCIDENT

Refer to Intermittent Incident.

YES>>

Inspection End.

Component Inspection

CHECK DOOR LOCK/UNLOCK SWITCH

1. Ignition switch OFF.

2. Disconnect door lock/unlock switch LH connector.

3. Check continuity between door lock/unlock switch LH terminals.

Door lock/unlock switch LH		Condition		Continuity
Terminal
1	4	Door lock/unlock switch LH	LOCK	No
			UNLOCK	Yes
2			LOCK	Yes
			UNLOCK	No

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace door lock/unlock switch LH. Refer to Removal and Installation.

Front Rh Nissan Pathfinder

ComponentFunctionCheck

CHECK FUNCTION

CONSULT

1. Ignition switch ON.

2. Select “INT LAMP” of “BCM”.

3. Select “CDL LOCK SW”, “CDL UNLOCK SW” in “DATA MONITOR” mode.

4. Check that the function operates normally according to the following conditions.

Monitor item	Condition		Status
CDL LOCK SW	Door lock/unlock switch RH	LOCK	On
		UNLOCK	Off
CDL UNLOCK SW		LOCK	Off
		UNLOCK	On

Is the inspection result normal?

YES>>

Door lock/unlock switch RH is OK.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL

1. Ignition switch OFF.

2. Disconnect door lock/unlock switch RH connector.

3. Check voltage between door lock/unlock switch RH harness connector and ground.

   (+)		(–)	Voltage (Approx.)
   Door lock/unlock switch RH
   Connector	Terminal
   D103	1	Ground	Battery voltage
   	2

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK DOOR LOCK/UNLOCK SWITCH CIRCUIT

1. Disconnect BCM connector.

2. Check continuity between BCM harness connector and door lock/unlock switch RH harness connector.

   BCM		Door lock/unlock switch RH		Continuity
   Connector	Terminal	Connector	Terminal
   M18	11	D103	2	Yes
   	14		1

3. Check continuity between BCM harness connector and ground.

   BCM		—	Continuity
   Connector	Terminal
   M18	11	Ground	No
   	14

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Repair or replace harness.

CHECK DOOR LOCK/UNLOCK SWITCH GROUND CIRCUIT

Check continuity between door lock/unlock switch RH harness connector and ground.

Door lock/unlock switch RH		—	Continuity
Connector	Terminal
D103	4	Ground	Yes

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace harness.

CHECK DOOR LOCK/UNLOCK SWITCH

Check door lock/unlock switch RH. Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Replace door lock/unlock switch RH. Refer to Removal and Installation.

CHECK INTERMITTENT INCIDENT

Refer to Intermittent Incident.

YES>>

Inspection End.

Component Inspection

CHECK DOOR LOCK/UNLOCK SWITCH

1. Ignition switch OFF.

2. Disconnect door lock/unlock switch RH connector.

3. Check continuity between door lock/unlock switch RH terminals.

Door lock/unlock switch RH		Condition		Continuity
Terminal
1	4	Door lock/unlock switch RH	LOCK	No
			UNLOCK	Yes
2			LOCK	Yes
			UNLOCK	No

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace door lock/unlock switch RH. Refer to Removal and Installation.