Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / Door Lock Actuator. Front Lh
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
Component Function Check
CHECK FUNCTION
CONSULT
Select “CDL LOCK SW” or “CDL UNLOCK SW” in “Data Monitor” mode of “BCM(DOOR LOCK)”...
Unlock Sensor
Component Function Check
CHECK FUNCTION
CONSULT
Select “UNLK SEN-DR” in “Data Monitor” mode of “BCM(INTELLIGENT KEY)”.
Check that the function operates normally according to the following conditions:
Monitor Item Condition Status
UNLK SEN -DR
Driver side door
Lock
OFF
Unlock
ON
Is the inspection result normal?
YES>>
Unlock sensor is OK...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Symptom Diagnosis. Noise, Vibration and Harshness (nvh) Troubleshooting
NVH Troubleshooting Chart Use the chart below to find the cause of the symptom. If necessary, repair or replace these parts. Reference Inspection Exploded View Inspection Inspection Inspection Inspection Inspection NVH of REAR FINAL DRIVE in this section...
Nissan Murano (Z52) 2015-2024 Service Manual: The Door Open Warning Continues Displaying, or Does Not Display
Diagnosis Procedure The door open warning is displayed even though all of the doors are closed. The door open warning is not displayed even though a door is ajar. CHECK BCM INPUT SIGNAL Check the BCM input signal. Refer to Component Function Check...
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Vehicle security system
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.
