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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Remote Keyless Entry System >> Trouble Diagnoses >> Front LH Door Unlock Sensor Check
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Front LH Door Unlock Sensor Check

  1. CHECK FRONT LH DOOR UNLOCK SENSOR INPUT SIGNAL 

    With CONSULT-II 

    1. Select "DATA MONITOR" mode in "INT LAMP" with CONSULT-II.
    2. Check front LH door unlock sensor ("LOCK SIG DR") in "DATA MONITOR" mode.
      Fig 1: Checking Front LH Door Unlock Sensor LOCK SIG DR In Data Monitor Mode
      G02053823Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Check voltage between smart entrance control unit harness connector terminal 36 and ground.

    Fig 2: Checking Voltage Between Smart Entrance Control Unit Harness Connector Terminal 36 And Ground
    G02053824Courtesy of NISSAN MOTOR CO., U.S.A.

    Refer to Figure and Figure .

    OK or NG 

    1. OK  : Door unlock sensor is OK.
    2. NG  : GO TO 2.
  2. CHECK FRONT LH DOOR UNLOCK SENSOR 
    1. Disconnect front LH door unlock sensor harness connector.
    2. Check continuity between door unlock sensor terminals.
      Fig 3: Checking Continuity Between Door Unlock Sensor Terminals
      G02053825Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK  : Check the following:
      • Door unlock sensor ground circuit
      • Harness for open or short between smart entrance control unit and door unlock sensor
    2. NG  : Replace door unlock sensor.