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Check Back Door Switch

  1. CHECK BACK DOOR SWITCH INPUT SIGNAL 

    With CONSULT-II 

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

    MONITOR ITEM CONDITION

    Monitor item Condition
    BACK DOOR SW CLOSE --> OFF
    OPEN --> ON
    Fig 1: CONSULT-II DISPLAY - "BACK DOOR SW"
    G04076931Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Check voltage between BCM connector and ground.

    CONNECTOR TERMINAL VOLTAGE SPECIFICATIONS

    Item Connector Terminal (Wire color) Back door condition Voltage (V) (Approx.)
    (+) (-)
    Back door switch B14 58 (L) Ground CLOSE
    then
    OPEN    		 9
    then
    0
    Fig 2: Identifying Voltage Between BCM Connector And Ground
    G04076932Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Door switch circuit is OK.

    NG : GO TO 2.

  2. CHECK BACK DOOR SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect back door switch connector.
    3. Check voltage between back door switch connector D109 terminal 7 and ground. (Check harness for open.)

      7 (L) - Ground : Approx. 9V 

      Fig 3: Identifying Voltage Between Back Door Switch Connector D109 Terminal 7 And Ground
      G04076933Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between back door switch connector D109 terminal 7 and ground. (Check harness for short.)

      7 (L) - Ground : Continuity should not exist. 

      Fig 4: Identifying Continuity Between Back Door Switch Connector D109 Terminal 7 And Ground
      G04076934Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 3.

    NG : Repair or replace harness.

  3. CHECK BACK DOOR SWITCH 

    Check continuity between back door switch terminals 7 and 8.

    CONTINUITY SPECIFICATIONS

    Terminal Back door condition Continuity
    7 8 Closed No
    Opened Yes
    Fig 5: Identifying Continuity Between Back Door Switch Terminals 7 And 8
    G04076935Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 4.

    NG : Replace back door closure motor (door switch).

  4. CHECK BACK DOOR SWITCH GROUND HARNESS 

    Check continuity between back door switch connector D109 terminal 8 and ground.

    8 (B) - Ground : Continuity should exist. 

    Fig 6: Identifying Continuity Between Back Door Switch Connector D109 Terminal 8 And Ground
    G04076936Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Check harness connection.

    NG : Repair or replace harness.

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