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Check Back Door Switch

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK BACK DOOR SWITCH INPUT SIGNAL 

    With CONSULT-II 

    Check back door switch (BACK DOOR SW) in DATA MONITOR mode with CONSULT- II.

    Fig 1: CONSULT-II DATA MONITOR Display Screen
    G01198389Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Monitor Item Based On Condition
    G01198388Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Check voltage between BCM connector and ground.

    Fig 3: Door Switch Voltage Based On Conditions
    G01198390Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 4: Checking Voltage Between BCM And Ground
    G01198391Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Back door switch circuit is OK.
    2. NG: GO TO 2

  2. CHECK BACK DOOR SWITCH HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect BCM and back door switch connectors.
    3. Check continuity between BCM connector M34 terminal 18 and back door switch connector D100 terminal 1.

      18 (V/W) -1 (V/W): Continuity should exist. 

    4. Check continuity between BCM connector M34 terminal 18 and ground.

      18 (V/W) - Ground: Continuity should not exist. 

    OK or NG 

    1. OK: GO TO 3
    2. NG: Repair or replace harness.
      Fig 5: Checking Continuity Between BCM And Back Door Switch
      G01198392Courtesy of NISSAN MOTOR CO., U.S.A.

  3. CHECK BACK DOOR SWITCH 

    Check continuity between back door switch terminals 1 and 3.

    Fig 6: Checking Continuity Between Back Door Switch Terminals
    G01198394Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 7: Terminal Continuity
    G01198393Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Replace back door switch.

  4. CHECK BACK DOOR SWITCH GROUND HARNESS 

    Check continuity between back door switch connector D100 terminal 3 (B) and ground.

    3 (B) - Ground: Continuity should exist. 

    OK or NG 

    1. OK: Back door switch circuit is OK.
    2. NG: Repair or replace harness.
      Fig 8: Checking Continuity Between Back Door Switch And Ground
      G01198395Courtesy of NISSAN MOTOR CO., U.S.A.