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Power Window Serial Link Check (Front Passenger Side)

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK POWER WINDOW SWITCH 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: Selecting "LOCK SW DR/AS", "UNLK SW DR/AS" In DATA MONITOR Display
    G02158199Courtesy 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 (driver side and passenger side) 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 unlocks switch (driver side and passenger side) is turned "LOCK" or "UNLOCK".
    Fig 2: BCM Reference Data Table
    G02158200Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Checking Signal Between BCM And Ground
    G02158201Courtesy 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.

    Fig 4: Selecting "POWER WINDOW DOWN") In "ACTIVE TEST" With CONSULT-II
    G02158202Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : Further inspection is necessary. Refer to symptom chart.
    2. NG : Replace BCM.
  3. CHECK POWER WINDOW SWITCH GROUND
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch and power window sub-switch connector.
    3. Check continuity between power window main switch connector D7 terminal 5 and ground.
      1. 5 (B) - Ground: Continuity should exist. 
      Fig 5: Checking Continuity Between Power Window Main Switch And Ground
      G02158203Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between power window sub-switch connector D37 terminal 7 and ground.
      1. 7 (B) - Ground: Continuity should exist. 
    Fig 6: Checking Continuity Between Power Window Sub-Switch And Ground
    G02158204Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : GO TO 4.
    2. NG : Repair or replace harness.
  4. CHECK POWER WINDOW SERIAL LINK CIRCUIT
    1. Disconnect BCM connector.
    2. Check continuity between BCM connector M3 terminal 74 and power window main switch connector D7 terminal 8.
      1. 74 (Y) - 8 (Y): Continuity should exist. 
      Fig 7: Checking Continuity Between BCM And Power Window Main Switch
      G02158205Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between BCM connector M3 terminal 74 and power window sub-switch connector D37 terminal 11.
      1. 74 (Y) - 11(Y): Continuity should exist. 
      Fig 8: Checking Continuity Between BCM And Power Window Sub-Switch
      G02158206Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : Replace power window main switch.
    2. NG : Repair or replace harness.
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