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Home › Nissan-Datsun › 2004 › Sentra SE-R › Repair and Diagnosis › External Pages › Different car › Section 1642 (Body, Lock & Security System) › Power Door Lock System › Door Lock/Unlock Switch Check (Crew Cab)

Door Lock/Unlock Switch Check (Crew Cab)

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL 

    With CONSULT-II 

    Check door lock/unlock switch ("CDL LOCK SW", "CDL UNLOCK SW") in DATA MONITOR mode in CONSULT-II. Refer to "DATA MONITOR ".

    Fig 1: CONSULT-II Display - DATA MONITOR
    G04187470Courtesy of NISSAN MOTOR CO., U.S.A.
    • When door lock/unlock switch is turned to LOCK:

      CDL LOCK SW: ON 

    • When door lock/unlock switch is turned to UNLOCK:

      CDL UNLOCK SW: ON 

    Without CONSULT-II 

    1. Remove key from ignition key cylinder.
    2. Check the signal between BCM connector M18 terminal 22 and ground with oscilloscope when door lock/unlock switch 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 door lock/unlock switch is turned to LOCK or UNLOCK.
      Fig 2: Checking Signal Between BCM Connector M18 Terminal 22 And Ground
      G04187472G04187471Courtesy of NISSAN MOTOR CO., U.S.A.
      CONNECTOR TERMINAL SIGNAL REFERENCE

      Connector Terminals Signal (Reference value)
      (+) (-)
      M18 22 Ground
      G04187471

    OK or NG 

    OK: Door lock and unlock switch circuit is OK.

    NG: GO TO 2.

  2. CHECK BCM OUTPUT SIGNAL 

    Check ("POWER WINDOW DOWN") in ACTIVE TEST mode for "MULTI REMOTE ENT" with CONSULT-II. Refer to "ACTIVE TEST ".

    Fig 3: CONSULT II Display - Active Test
    G04077399Courtesy of NISSAN MOTOR CO., U.S.A.

    When "ACTIVE TEST" is performed, are the front windows lowered? 

    OK or NG 

    OK: GO TO 3.

    NG: Replace BCM. Refer to "BCM ".

  3. CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect main power window and door lock/unlock switch or power window and door lock/unlock switch RH.
    3. Check continuity between main power window and door lock/unlock switch connector D8 terminal 17 and ground.

      17 - Ground: Continuity should exist 

      4. Fig 4: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector D8 Terminal 17 And Ground
      G04187474Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between power window and door lock/unlock switch RH connector D105 terminal 11 and ground.

      11 - Ground: Continuity should exist 

      5. Fig 5: Checking Continuity Between Power Window And Door Lock/Unlock Switch RH Connector D105 Terminal 11 And Ground
      G04187475Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness.

  4. CHECK POWER WINDOW SERIAL LINK CIRCUIT 
    1. Disconnect BCM.
    2. Check continuity between BCM connector M18 terminal 22 and main power window and door lock/unlock switch connector D7 terminal 14.

      22 - 14: Continuity should exist 

      Fig 6: Checking Continuity Between BCM Connector M18 Terminal 22 And Main Power Window And Door Lock/Unlock Switch Connector D7 Terminal 14
      G04187476Courtesy of NISSAN MOTOR CO., U.S.A.
    3. 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 

      4. Fig 7: Checking Continuity Between BCM Connector M18 Terminal 22 And Power Window & Door Lock/Unlock Switch RH Connector D105 Terminal 16
      G04187477Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace main power window and door lock/unlock switch or power window and door lock/unlock switch RH.

    NG: Repair or replace harness.

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