Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / Back Door Switch

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

Component Function Check

CHECK FUNCTION

CONSULT

  1. Select “DOOR SW-BK” in “Data Monitor” mode of “BCM(DOOR LOCK)”.

  2. Check that the function operates normally according to the following conditions:

Monitor Item Condition Status
DOOR SW-BK Back door Open On
Closed Off

Is the inspection result normal?

YES>>

Door switch is OK.

NO>>

Refer to Diagnosis Procedure (With Automatic Back Door)

NO>>

Refer to Diagnosis Procedure (Without Automatic Back Door).

Diagnosis Procedure (With Automatic Back Door)

CHECK BACK DOOR SWITCH INPUT SIGNAL

  1. Ignition switch OFF.

  2. Disconnect back door lock assembly connector.

  3. Check signal between back door lock assembly harness connector and ground using oscilloscope.

    (+) (–)

    Signal

    (Reference value)
    Back door lock assembly
    Connector Terminal
    D557 7 Ground

    9.0 - 10.0 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK BACK DOOR SWITCH CIRCUIT

  1. Disconnect BCM connector.

  2. Check continuity between back door lock assembly harness connector and BCM harness connector.

    Back door lock assembly BCM Continuity
    Connector Terminal Connector Terminal
    D557 7 M20 97 Yes
  3. Check continuity between back door lock assembly harness connector and ground.

    Back door lock assembly Ground Continuity
    Connector Terminal
    D557 7 No

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Repair or replace harness.

CHECK BACK DOOR SWITCH GROUND CIRCUIT

  1. Check continuity between back door lock assembly harness connector and ground.

    Back door lock assembly Ground Continuity
    Connector Terminal
    B557 8 No

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace harness.

CHECK BACK DOOR SWITCH

Refer to Component Inspection (With Automatic Back Door).

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Replace back door lock assembly. Refer to Removal and Installation.

CHECK INTERMITTENT INCIDENT

Refer to Intermittent Incident.

>>

Inspection End.

Diagnosis Procedure (Without Automatic Back Door)

CHECK BACK DOOR SWITCH INPUT SIGNAL

  1. Ignition switch OFF.

  2. Disconnect back door lock assembly connector.

  3. Check signal between back door lock assembly harness connector and ground using oscilloscope.

    (+) (–)

    Signal

    (Reference value)
    Back door lock assembly
    Connector Terminal
    D567 3 Ground

    9.0 - 10.0 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK BACK DOOR SWITCH CIRCUIT

  1. Disconnect BCM connector.

  2. Check continuity between back door lock assembly harness connector and BCM harness connector.

    Back door lock assembly BCM Continuity
    Connector Terminal Connector Terminal
    D567 3 M20 97 Yes
  3. Check continuity between back door lock assembly harness connector and ground.

    Back door lock assembly Ground Continuity
    Connector Terminal
    D567 3 No

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Repair or replace harness.

CHECK BACK DOOR SWITCH GROUND CIRCUIT

Check continuity between back door lock assembly harness connector and ground.

Back door lock assembly Ground Continuity
Connector Terminal
D567 4 Yes

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace harness.

CHECK BACK DOOR SWITCH

Refer to Component Inspection (Without Automatic Back Door).

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Replace back door lock assembly. Refer to Removal and Installation.

CHECK INTERMITTENT INCIDENT

Refer to Intermittent Incident.

>>

Inspection End.

Component Inspection (With Automatic Back Door)

CHECK BACK DOOR SWITCH

  1. Ignition switch OFF.

  2. Disconnect back door lock assembly connector.

  3. Check continuity between back door lock assembly terminals.

    Back door lock assembly Condition Continuity
    Terminal
    7 8 Door switch Pressed No
    Released Yes

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace back door lock assembly. Refer to Removal and Installation.

Component Inspection (Without Automatic Back Door)

CHECK BACK DOOR SWITCH

  1. Ignition switch OFF.

  2. Disconnect back door lock assembly connector.

  3. Check continuity between back door lock assembly terminals.

    Back door lock assembly Condition Continuity
    Terminal
    3 4 Door switch Pressed No
    Released Yes

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace back door lock assembly. Refer to Removal and Installation.

    Door Switch

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    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)”...

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