Check Door Unlock Sensor

CHECK DOOR UNLOCK SENSOR INPUT SIGNAL
With CONSULT-II

Check door unlock sensor "LOCK SIG" in "DATA MONITOR" mode with CONSULT-II.
1. When door is locked: LOCK SIG LOCK
2. 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
1. OK: Door unlock sensor is OK.
2. NG: GO TO 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.
  
  Fig 2: Connector Terminals Reference Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Voltage Between Door Control Unit Connector And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3.
2. NG: Replace malfunctioning door control unit.
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.
  
  Fig 4: Connector Terminals Reference Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: Checking Continuity Between Door Control Unit Connector And Door Lock Actuator (Door Unlock Sensor) Connector
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity between door control unit connector and ground.
  
  Fig 6: Connector Terminals Reference Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 7: Checking Continuity Between Door Control Unit Connector And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace harness.
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.
  
  Fig 8: Connector Terminals Reference Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 9: Checking Continuity Between Door Control Unit Connector And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace door lock actuator (door unlock sensor).
2. NG: Repair or replace harness.