1.CHECK BCM OUTPUT SIGNAL
Turn ignition switch OFF.
Disconnect driver side door lock actuator connector.
Check signal between driver side door lock actuator harness connector and ground using oscilloscope.
(+)
(–)
Signal
(Reference value)
Driver side door lock actuator
Connector
Terminal
D15
2
Ground
Is the inspection result normal?
YES
>>
GO TO 3
.
NO
>>
GO TO 2
.
2.CHECK UNLOCK SENSOR CIRCUIT
Disconnect BCM connector.
Check continuity between BCM harness connector and driver side door lock actuator harness connector.
BCM
Driver side door lock actuator
Continuity
Connector
Terminal
Connector
Terminal
M123
119
D15
2
Existed
Check continuity between BCM harness connector and ground.
BCM
Ground
Continuity
Connector
Terminal
M123
119
Not existed
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 actuator harness connector and ground.
Driver side door lock actuator
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
Refer to
Component Inspection
.
Is the inspection result normal?
YES
>>
GO TO 5
.
NO
>>
Replace driver side door lock actuator. Refer to
Removal and Installation (GT-R certified NISSAN dealer)
.
5.CHECK INTERMITTENT INCIDENT
Refer to
Intermittent Incident
.
>>
INSPECTION END