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Check Door Unlock Sensor

  1. CHECK DOOR UNLOCK SENSOR INPUT SIGNAL 

    With CONSULT-II 

    Check door unlock sensor "LOCK SIG" in "DATA MONITOR" mode with CONSULT-II.

    When door is locked : LOCK SIG LOCK 

    When door is unlocked : LOCK SIG UNLK 

    Without CONSULT-II 

    Check door lock knob operation in Switch monitor mode.

    Refer to Remote keyless entry system , "SWITCH MONITOR ".

    OK or NG 

    • OK : Door unlock sensor is OK.
    • NG : GO TO 2.
      Fig 1: CONSULT-II Display - Data Monitor
      G04129388Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK DOOR UNLOCK SENSOR INPUT SIGNAL 
    1. Turn ignition switch OFF.
    2. Disconnect door lock actuator connector.
    3. Check voltage between each door control unit connector and ground.
      CONNECTOR VOLTAGE CHART

      Door control unit connector Terminal (Wire color) Voltage (V) (Approx.)
      (+) (-)
      Front door Driver side: D8 6 (G/Y) Ground 5
      Passenger side: D38 13 (G/Y)
      Rear door LH: D58
      RH: D78

    OK or NG 

    • OK : GO TO 3.
    • NG : Replace malfunctioning door control unit.
      Fig 2: Checking Voltage Between Door Control Unit Connector And Ground
      G04129389Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK DOOR UNLOCK SENSOR SIGNAL CIRCUIT 
    1. Disconnect door control unit connector.
    2. Check continuity between door control unit connector and door lock actuator (door unlock sensor) connector.
      CONTINUITY CHART

      Connector Terminal (wire color) Connector Terminal (Wire color) Continuity
      Driver side: D8 6 (G/Y) D11 2 (G/Y) Yes
      Passenger side: D38 13 (G/Y) D41
      Rear LH: D58 D61
      Rear RH: D78 D81
      Fig 3: Checking Continuity Between Door Control Unit Connector And Door Lock Actuator (Door Unlock Sensor) Connector
      G04129390Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between door control unit connector and ground.
      CONTINUITY CHART

      Connector Terminal (Wire color) Continuity
      Driver side: D8 6 (G/Y) Ground No
      Passenger side: D38 13 (G/Y)
      Rear LH: D58
      Rear RH: D78

    OK or NG 

    • OK : GO TO 4.
    • NG : Repair or replace harness.
      Fig 4: Checking Continuity Between Door Control Unit Connector And Ground
      G04129391Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK DOOR UNLOCK SENSOR GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect door lock actuator connector.
    3. Check continuity between each door control unit connector and ground.
      CONTINUITY CHART

      Connector Terminal (wire color) Continuity
      Driver side: D11 4 (B) Ground Yes
      Passenger side: D41
      Rear LH: D61
      Rear RH: D81

    OK or NG 

    • OK : Replace door lock actuator (door unlock sensor).
    • NG : Repair or replace harness.
      Fig 5: Checking Continuity Between Door Control Unit Connector And Ground
      G04129392Courtesy of NISSAN MOTOR CO., U.S.A.
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