CHECK FUNCTION
CONSULT
Select “DOOR LOCK” in “Active Test” mode of “BCM(DOOR LOCK)”.
Select “ALL LOCK” or “ALL UNLK” to check that it works normally.
Is the inspection result normal?
YES>>Door lock actuator is OK.
NO>>Refer to Diagnosis Procedure.
CHECK DOOR LOCK ACTUATOR INPUT SIGNAL
Ignition switch OFF.
Disconnect front door lock assembly LH connector.
Check voltage between front door lock assembly LH harness connector and ground.
| (+) | (–) | Condition |
Voltage (Approx.) | ||
|---|---|---|---|---|---|
| Front door lock assembly LH | |||||
| Connector | Terminal | ||||
| D14 | 1 | Ground | Door lock and unlock switch | Lock | Battery voltage |
| 2 | Unlock | ||||
Is the inspection result normal?
YES>>Replace front door lock assembly LH. Refer to Removal and Installation.
NO>>GO TO 2.
CHECK DOOR LOCK ACTUATOR CIRCUIT
Disconnect BCM and all door lock actuators.
Check continuity between BCM harness connector and front door lock assembly LH harness connector.
| BCM | Front door lock assembly LH | Continuity | ||
|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | |
| M81 | 135 | D14 | 1 | Yes |
| 137 | 2 | |||
Check continuity between BCM harness connector and ground.
| BCM | Ground | Continuity | |
| Connector | Terminal | ||
| M81 | 135 | No | |
| 137 | |||
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness.
CHECK BCM OUTPUT SIGNAL
Connect BCM connector.
Check voltage between BCM harness connector and ground.
| (+) | (–) | Condition |
Voltage (Approx.) | ||
|---|---|---|---|---|---|
| BCM | |||||
| Connector | Terminal | ||||
| M81 | 135 | Ground | Door lock and unlock switch | Lock | Battery voltage |
| 137 | Unlock | ||||
Is the inspection result normal?
YES>>Check for internal short of each door lock actuator.
NO>>Replace BCM. Refer to Removal and Installation.
Door Lock and Unlock Switch. Driver Side
Unlock Sensor
Your vehicle has two types of security systems:
Vehicle security system NISSAN Vehicle Immobilizer SystemThe vehicle security system provides visual and audible alarm signals if someone opens the doors, liftgate or the hood when the system is armed. It is not, however, a motion detection type system that activates when a vehicle is moved or when a vibration occurs.