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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2234 (Door & Lock (With Intelligent Key System)) >> DTC/Circuit Diagnosis >> Door Lock And Unlock Switch >> PASSENGER SIDE: Diagnosis Procedure

PASSENGER SIDE: Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM - WITH INTELLIGENT KEY SYSTEM ".

  1. CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL

    With CONSULT

    Check power window and door lock/unlock switch RH ("CDL LOCK SW", "CDL UNLOCK SW") in DATA MONITOR mode in CONSULT.

    • When power window and door lock/unlock switch RH is turned to LOCK:

      CDL LOCK SW: ON 

    • When power window and door lock/unlock switch RH is turned to UNLOCK:

      CDL UNLOCK SW: ON 

      Without CONSULT

    1. Remove key from ignition key cylinder.
    2. Using an oscilloscope, check the signal between BCM connector M18 terminal 22 and ground when power window and door lock/unlock switch RH is turned to LOCK or UNLOCK.
    3. Make sure the signals which are shown in the figure below can be detected during 10 seconds just after the power window and door lock/unlock switch RH is turned to LOCK or UNLOCK.
    Connector Terminal Voltage (V)
    (+) (-)
    M18 22 Ground
    G04877061
    Fig 1: Checking Signal Between BCM Connector M18 Terminal 22 And Ground
    G04877062Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection normal? 

    YES: Power window and door lock/unlock switch RH circuit is OK.

    NO: GO TO 2

  2. CHECK BCM OUTPUT SIGNAL
    1. Turn ignition switch OFF.
    2. Using the vehicle operational Intelligent Key, press and hold the UNLOCK button for more than 3 seconds.

    The front windows should be lowered  .

    Is the inspection result normal? 

    YES: GO TO 3

    NO: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

  3. CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS
    1. Disconnect power window and door lock/unlock switch RH.
    2. Check continuity between power window and door lock/unlock switch RH connector D105 terminal 11 and ground

    11 - Ground: Continuity should exist  .

    Is the inspection normal? 

    YES: GO TO 4

    NO: Repair or replace harness.

    Fig 2: Checking Continuity Between Power Window And Door Lock/Unlock Switch RH Connector D105 Terminal 11 And Ground
    G04902467Courtesy of NISSAN NORTH AMERICA, INC.
  4. CHECK POWER WINDOW SERIAL LINK CIRCUIT
    1. Disconnect BCM.
    2. Check continuity between BCM connector M18 terminal 22 and power window and door lock/unlock switch RH connector D105 terminal 16.

      22 - 16: Continuity should exist  .

      Fig 3: Checking Continuity Between BCM Connector M18 Terminal 22 And Door Lock/Unlock Switch RH Connector D105 Terminal 16
      G04902469Courtesy of NISSAN NORTH AMERICA, INC.
    3. Check continuity between BCM connector M18 terminal 22 and ground.

      22 - Ground: Continuity should not exist  .

      Is the inspection normal? 

      YES: Replace power window and door lock/unlock switch RH.

      NO: Repair or replace harness.

    Fig 4: Checking Continuity Between BCM Connector M18 Terminal 22 And Ground
    G04916746Courtesy of NISSAN NORTH AMERICA, INC.
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