BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY › DOOR & LOCK › COMPONENT DIAGNOSIS

UNLOCK SENSOR

Description

Detects door lock condition of driver door.

1.CHECK FUNCTION

Check unlock sensor (“DOOR STAT-DR”) in “Data Monitor” mode.

Monitor item	Condition
DOOR STAT-DR	Front door lock (driver side) LOCK: OFF
DOOR STAT-DR	Front door lock (driver side) UNLOCK: ON

Is the inspection result normal?

YES>>Unlock sensor is OK.

NO>>Refer to Diagnosis Procedure.

1.CHECK BCM OUTPUT SIGNAL

Is the inspection result normal?

YES>>GO TO 3.

NO>>GO TO 2.

2.CHECK UNLOCK SENSOR CIRCUIT

Is the inspection result normal?

YES>>Replace BCM. Refer to Removal and Installation.

NO>>Repair or replace harness.

3.CHECK UNLOCK SENSOR GROUND CIRCUIT

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

Driver side door lock assembly (unlock sensor)		Ground	Continuity
Connector	Terminal
D15	4		Existed

Is the inspection result normal?

YES>>GO TO 4.

NO>>Repair or replace harness.

4.CHECK UNLOCK SENSOR

Is the inspection result normal?

YES>>GO TO 5.

NO>>Replace driver side door lock assembly. Refer to Removal and Installation (GT-R certified NISSAN dealer).

5.CHECK INTERMITTENT INCIDENT

>>INSPECTION END

1.CHECK UNLOCK SENSOR

Driver side door lock assembly (unlock sensor)		Condition		Continuity
Terminal
2	4	Driver side door lock assembly (unlock sensor)	Unlock	Existed
			Lock	Not existed

Is the inspection result normal?

YES>>INSPECTION END

NO>>Replace driver side door lock assembly. Refer to Removal and Installation (GT-R certified NISSAN dealer).

(+)		(–)	Signal (Reference value)
Driver side door lock assembly (unlock sensor)
Connector	Terminal
D15	2	Ground