Nissan Sentra manuals

Nissan Sentra Service Manual: Door lock actuator

Nissan Sentra Service Manual / Body exterior, doors, roof & vehicle security / Door & lock / With intelligent key system / Door lock actuator

Driver side

Driver side : component function check

1.CHECK FUNCTION

  1. Select DOOR LOCK of BCM using CONSULT.
  2. Select DOOR LOCK in ACTIVE TEST mode.
  3. Touch 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 DLK-92, "DRIVER SIDE : Diagnosis Procedure".

Driver side : diagnosis procedure

Regarding Wiring Diagram information, refer to DLK-41, "Wiring Diagram".

1.Check door lock actuator input signal

  1. Turn ignition switch OFF.
  2. Disconnect front door lock actuator LH connector
  3. Check voltage between front door lock actuator LH harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> replace front door lock actuator lh .

No >> go to 2.

2.Check door lock actuator circuit

  1. Disconnect BCM connector and all door lock actuator connectors.
  2. Check continuity between bcm harness connector and front door lock actuator lh harness connector.


  1. Check continuity between bcm harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace harness.

3.Check bcm output signal

  1. Connect bcm connector.
  2. Check voltage between front door lock actuator lh harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> check for internal short of each door lock actuator.

No >> replace bcm. Refer to bcs-73, "removal and installation".

Passenger side

Passenger side : component function check

1.Check function

  1. Select DOOR LOCK of BCM using CONSULT.
  2. Select DOOR LOCK in ACTIVE TEST mode.
  3. Touch 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 dlk-93, "passenger side : diagnosis procedure".

Passenger side : diagnosis procedure

Regarding wiring diagram information, refer to dlk-41, "wiring diagram".

1.Check door lock actuator input signal

  1. Turn ignition switch OFF.
  2. Disconnect front door lock actuator rh connector.
  3. Check voltage between front door lock actuator RH harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace front door lock actuator (RH).

NO >> GO TO 2.

2.Check door lock actuator circuit

  1. Disconnect bcm connector and all door lock actuators.
  2. Check continuity between bcm harness connector and front door lock actuator rh harness connector.


  1. Check continuity between bcm harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> go to 3.

No >> repair or replace harness.

3.Check bcm output signal

  1. Connect bcm connector.
  2. Check voltage between front door lock actuator rh harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> check for internal short of each door lock actuator.

No >> replace bcm. Refer to bcs-73, "removal and installation".

Rear lh

Rear lh : component function check

1.Check function

  1. Select door lock of bcm using consult.
  2. Select DOOR LOCK in ACTIVE TEST mode.
  3. Touch 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 dlk-94, "rear lh : diagnosis procedure".

Rear lh : diagnosis procedure

Regarding Wiring Diagram information, refer to DLK-41, "Wiring Diagram".

1.Check door lock actuator input signal

  1. Turn ignition switch off.
  2. Disconnect rear door lock actuator lh connector.
  3. Check voltage between rear door lock actuator lh harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> replace rear door lock actuator lh.

No >> go to 2.

2.Check door lock actuator circuit

  1. Disconnect bcm connector and all door lock actuator connectors.
  2. Check continuity between bcm harness connector and rear door lock actuator lh harness connector.


  1. Check continuity between bcm harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace harness.

3.Check bcm output signal

  1. Connect BCM connector.
  2. Check voltage between rear door lock actuator LH harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> check for internal short of each door lock actuator.

No >> replace bcm. Refer to bcs-73, "removal and installation".

Rear RH

REAR RH : Component Function Check

1.Check function

  1. Select door lock of bcm using consult.
  2. Select door lock in active test mode.
  3. Touch 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 dlk-95, "rear rh : diagnosis procedure".

REAR RH : Diagnosis Procedure

Regarding wiring diagram information, refer to dlk-41, "wiring diagram".

1.Check door lock actuator input signal

  1. Turn ignition switch off.
  2. Disconnect rear door lock actuator RH connector.
  3. Check voltage between rear door lock actuator rh harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> replace rear door lock actuator rh.

No >> go to 2.

2.Check door lock actuator circuit

  1. Disconnect BCM connector and all door lock actuator connectors.
  2. Check continuity between bcm harness connector and rear door lock actuator rh harness connector.


  1. Check continuity between bcm harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> go to 3.

No >> repair or replace harness.

3.Check bcm output signal

  1. Connect bcm connector.
  2. Check voltage between rear door lock actuator rh harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> check for internal short of each door lock actuator.

No >> replace bcm. Refer to bcs-73, "removal and installation".

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