Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / Door Lock Actuator. Front Lh

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Dtc/circuit Diagnosis / Door Lock Actuator. Front Lh

Component Function Check

CHECK FUNCTION

CONSULT

  1. Select “DOOR LOCK” in “Active Test” mode of “BCM(DOOR LOCK)”.

  2. 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.

Diagnosis Procedure

CHECK DOOR LOCK ACTUATOR INPUT SIGNAL

  1. Ignition switch OFF.

  2. Disconnect front door lock assembly LH connector.

  3. 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

  1. Disconnect BCM and all door lock actuators.

  2. 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
  3. 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

  1. Connect BCM connector.

  2. 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.

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    Nissan Murano. Vehicle security system

    Your vehicle has two types of security systems:

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