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Door Lock/Unlock Switch Check

  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 

    • 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 

    Fig 1: CONSULT-II Screen Display - DATA MONITOR
    G02250909Courtesy of NISSAN MOTOR CO., U.S.A.

    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: Terminal Voltage Table
    G02250910Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Checking Signal Between BCM Connector M18 Terminal 22 And Ground
    G02250911Courtesy of NISSAN MOTOR CO., U.S.A.

    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 "REMOTE KEYLESS ENTRY SYSTEM" with CONSULT-II. Refer to ACTIVE TEST  .

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

    OK or NG 

    • OK: GO TO 3.
    • NG: Replace BCM.
    Fig 4: CONSULT-II Screen Display - ACTIVE TEST
    G02250912Courtesy of NISSAN MOTOR CO., U.S.A.
  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 (B) - Ground: Continuity should exist. 

      4. Fig 5: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch And Ground
      G02250913Courtesy 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 (B) - Ground: Continuity should exist. 

    OK or NG 

    • OK: GO TO 4.
    • NG: Repair or replace harness.
    Fig 6: Checking Continuity Between Power Window And Door Lock/Unlock Switch And Ground
    G02250914Courtesy of NISSAN MOTOR CO., U.S.A.
  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 (W/V) - 14 (LG/W): Continuity should exist. 

      Fig 7: Checking Continuity Between BCM And Main Power Window And Door Lock/Unlock Switch
      G02250915Courtesy 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 (W/V) - 16 (LG/W): Continuity should exist. 

    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.
    Fig 8: Checking Continuity Between BCM And Power Window And Door Lock/Unlock Switch
    G02250916Courtesy of NISSAN MOTOR CO., U.S.A.
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