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Power Window Serial Link Check Front LH and RH

  1. CHECK SERIAL LINK OUTPUT SIGNAL 

    With CONSULT-II

    Check door lock and unlock switch ("LOCK SW DR/AS", "UNLK SW DR/AS") in DATA MONITOR mode for "REMOTE KEYLESS ENTRY SYSTEM" with CONSULT-II. Refer to "DATA MONITOR ".

    • When door lock and unlock switch is turned to LOCK
      1. LOCK SW DR/AS: ON 
    • When door lock and unlock switch is turned to UNLOCK
      1. UNLK SW DR/AS: ON 
      Fig 1: CONSULT-II - Identifying "LOCK SW DR/AS" And "UNLK SW DR/AS"
      G02383871Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II

    1. Remove key from ignition switch, and the door of driver side and passenger side is closed.
    2. Check the signal between BCM connector and ground with oscilloscope when door lock and unlock switch (front LH and front RH) is turned "LOCK" or "UNLOCK".
    3. Make sure signals which are shown in the figure below can be detected during 10 second just after door lock and unlock switch (front LH and front RH) is turned "LOCK" or "UNLOCK".
      Fig 2: Power Window Serial Link Front LH and RH Connector Signal Specification
      G02383872Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: Checking Signal Between BCM Connector And Ground With Oscilloscope
      G02383873Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 2.
    2. NG: GO TO 3.
  2. CHECK BCM OUTPUT SIGNAL 

    Check power window serial link ("POWER WINDOW DOWN") in "ACTIVE TEST" mode with CONSULT-II. Refer to "ACTIVE TEST ".

    When "ACTIVE TEST" is executed, is the window of driver side and passenger side lowered.

    OK or NG

    1. OK: Further inspection is necessary. Refer to "TROUBLE DIAGNOSES SYMPTOM CHART ".
    2. NG: Replace BCM.
    Fig 4: CONSULT-II - Identifying "ACTIVE TEST"
    G02383874Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK POWER WINDOW SWITCH GROUND 
    1. Turn ignition switch OFF.
    2. Disconnect main power window and door lock/unlock switch and 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.
      1. 17 (B) - Ground: Continuity should exist. 
      Fig 5: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector D8 Terminal 17 And Ground
      G02383875Courtesy 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.
      1. 11 (B) - Ground: Continuity should exist. 

    OK or NG

    1. OK: GO TO 4.
    2. NG: Repair or replace harness.
    Fig 6: Checking Continuity Between Power Window And Door Lock/Unlock Switch RH Connector D105 Terminal 11 And Ground
    G02383876Courtesy 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.
      1. 22 (W/V) - 14 (LG/W): Continuity should exist. 
      Fig 7: Checking Continuity Between BCM Connector M18 Terminal 22 And Main Power Window And Door Lock/Unlock Switch Connector D7 Terminal 14
      G02383877Courtesy 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.
      1. 22 (W/V) - 16 (LG/W): Continuity should exist. 

    OK or NG

    1. OK: Replace main power window and door lock/unlock switch or power window and door lock/unlock switch RH.
    2. NG: Repair or replace harness.
    Fig 8: Checking Continuity Between BCM Connector M18 Terminal 22 And Power Window And Door Lock/Unlock Switch RH Connector D105 Terminal 16
    G02383878Courtesy of NISSAN MOTOR CO., U.S.A.