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

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

Component Function Check

CHECK FUNCTION

CONSULT

  1. Select “REQ SW-BD/TR” in “Data Monitor” mode of “BCM(INTELLIGENT KEY)”.

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

Monitor Item Condition Status
REQ SW-BD/TR Back door request switch Pressed On
Released Off

Is the inspection result normal?

YES>>

Back door request switch is OK.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK BACK DOOR REQUEST SWITCH INPUT SIGNAL

  1. Ignition switch OFF.

  2. Disconnect back door opener switch connector.

  3. Check voltage between back door opener switch harness connector and ground.

    (+) (–)

    Voltage

    (Approx.)
    Back door opener switch
    Connector Terminal
    D559 4 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK BACK DOOR REQUEST SWITCH CIRCUIT

  1. Disconnect BCM connector.

  2. Check continuity between BCM harness connector and back door opener switch harness connector.

    BCM Back door opener switch Continuity
    Connector Terminal Connector Terminal
    M20 83 D559 4 Yes

  3. Check continuity between BCM harness connector and ground.

    BCM Ground Continuity
    Connector Terminal
    M20 83 No

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Repair or replace harness.

CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT

Check continuity between back door opener switch harness connector and ground.

Back door opener switch Ground Continuity
Connector Terminal
D559 3 Yes

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace harness.

CHECK BACK DOOR REQUEST SWITCH

Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Replace back door opener switch. Refer to Removal and Installation.

CHECK INTERMITTENT INCIDENT

Refer to Intermittent Incident.

>>

Inspection End.

Component Inspection

CHECK BACK DOOR REQUEST SWITCH

  1. Ignition switch OFF.

  2. Disconnect back door opener switch connector.

  3. Check continuity between back door opener switch terminals.

    Back door opener switch Condition Continuity
    Terminal
    3 4 Back door request switch Pressed Yes
    Released No

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace back door opener switch. Refer to Removal and Installation.

    Door Request Switch

    Component Function Check CHECK FUNCTION CONSULT Select “REQ SW-DR” or “REQ SW-AS” in “Data Monitor” mode of “BCM(INTELLIGENT KEY)”. Check that the function operates normally according to the following conditions: Monitor Item Condition Status REQ SW -DR LH door request switch Pressed ON Released OFF REQ SW -AS RH door request switch Pressed ON Released OFF Is the inspection result normal? YES>> Front door request switch is OK...

    Intelligent Key Warning Buzzer

    Component Function Check CHECK FUNCTION CONSULT Select “OUTSIDE BUZZER” in “Active Test” mode of “BCM(INTELLIGENT KEY)”. Select “On” or “Off” to check that it works normally...

    Other information:

    Nissan Murano (Z52) 2015-2024 Service Manual: Door Motor


    Diagnosis Procedure CHECK EACH DOOR MOTOR POWER SUPPLY Ignition switch ON. Check voltage between intake door motor harness connector and ground. + − Voltage (Approx.) Intake door motor Connector Terminal M153 1 Ground Battery voltage Is the inspection result normal? YES>> GO TO 2...

    Nissan Murano (Z52) 2015-2024 Owners Manual: Troubleshooting


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