Nissan Qashqai J11. Manual - part 1293

UNLOCK SENSOR

DLK-441

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 3]

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UNLOCK SENSOR

Diagnosis Procedure

INFOID:0000000010502792

1.

CHECK BCM OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect front door lock assembly (driver side) connector.

3.

Check signal between front door lock assembly (driver side) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK UNLOCK SENSOR CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and front door lock assembly (driver side) harness
connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK UNLOCK SENSOR GROUND CIRCUIT

Check continuity between front door lock assembly (driver side) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK UNLOCK SENSOR 

Refer to 

DLK-442, "Component Inspection"

. 

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace front door lock assembly (driver side).

5.

CHECK INTERMITTENT INCIDENT 

Refer to 

GI-44, "Intermittent Incident"

.

(+)

(–)

Voltage

Front door lock assembly (driver side)

Connector

Terminal

D26

4

Ground

9 – 16 V

BCM

Front door lock assembly (driver side)

Continuity 

Connector

Terminal

Connector

Terminal

M69

104

D26

4

Existed

BCM

Ground

Continuity 

Connector

Terminal

M69

104

Not existed

Front door lock assembly (driver side)

Ground

Continuity 

Connector

Terminal

D26

5

Existed

DLK-442

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 3]

UNLOCK SENSOR

>> INSPECTION END

Component Inspection

INFOID:0000000010502793

1.

CHECK UNLOCK SENSOR

1.

Turn ignition switch OFF.

2.

Disconnect front door lock assembly (driver side) connector.

3.

Check continuity between front door lock assembly (driver side) terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace front lock assembly (driver side).

Front door lock assembly (driver side)

Condition

Continuity

Terminal

4

5

Driver side door 

Unlock

Existed

Lock

Not existed

DOOR DOES NOT LOCK/UNLOCK WITH DOOR LOCK AND UNLOCK SWITCH

DLK-443

< SYMPTOM DIAGNOSIS >

[TYPE 3]

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SYMPTOM DIAGNOSIS

DOOR DOES NOT LOCK/UNLOCK WITH DOOR LOCK AND UNLOCK
SWITCH

ALL DOOR

ALL DOOR : Description

INFOID:0000000010502854

All doors do not lock/unlock using door lock and unlock switch.

ALL DOOR : Diagnosis Procedure

INFOID:0000000010502855

1.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check front door lock and unlock power supply and ground circuit.
Refer to 

DLK-434, "FRONT DOOR : Diagnosis Procedure"

 (front door) or 

DLK-434, "REAR DOOR : Diagnosis

Procedure"

 (rear door).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK DOOR LOCK AND UNLOCK SWITCH

Check door lock and unlock switch.
Refer to 

DLK-426, "DRIVER SIDE : Component Function Check"

 (driver side) or 

DLK-427, "PASSENGER

SIDE : Component Function Check"

 (passenger side).

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK DOOR LOCK ACTUATOR

Check front door lock assembly (driver side).
Refer to 

DLK-421, "DRIVER SIDE : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace the malfunctioning parts.

4.

CHECK DOOR SWITCH

Check door switch.
Refer to 

DLK-430, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace the malfunctioning parts.

5.

CHECK KEY SWITCH

Check key switch.
Refer to 

DLK-574, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace the malfunctioning parts.

6.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

2.

Confirm the operation after replacement.

Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

FRONT DOOR

DLK-444

< SYMPTOM DIAGNOSIS >

[TYPE 3]

DOOR DOES NOT LOCK/UNLOCK WITH DOOR LOCK AND UNLOCK SWITCH

FRONT DOOR : Description

INFOID:0000000010502856

Front doors do not lock/unlock using door lock and unlock switch.

FRONT DOOR : Diagnosis Procedure

INFOID:0000000010502857

1.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check front door lock and unlock power supply and ground circuit.
Refer to 

DLK-434, "FRONT DOOR : Diagnosis Procedure"

. 

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK DOOR LOCK ACTUATOR

Check front door lock actuator (driver side).
Refer to 

DLK-421, "DRIVER SIDE : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

2.

Confirm the operation after replacement.

Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

REAR DOOR

REAR DOOR : Description

INFOID:0000000010502858

Rear doors do not lock/unlock using door lock and unlock switch.

REAR DOOR : Diagnosis Procedure

INFOID:0000000010502859

1.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check rear doors lock and unlock power supply and ground circuit.
Refer to 

DLK-434, "REAR DOOR : Diagnosis Procedure"

. 

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK DOOR LOCK ACTUATOR

Check rear door lock actuator.
Refer to 

DLK-423, "REAR LH : Component Function Check"

 (LH) and 

DLK-424, "REAR RH :

Component Function Check"

 (RH).

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

2.

Confirm the operation after replacement.

Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

DRIVER SIDE