Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1734 (Body, Lock & Security System (Coupe)) >> Power Door Lock System >> Check Door Switch

Check Door Switch

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DOOR SWITCH INPUT SIGNAL 

    With CONSULT-II 

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

    MONITOR ITEM AND CONDITION REFERENCE

    Monitor item Condition
    DOOR SW-DR CLOSE --> OPEN: OFF --> ON
    DOOR SW-AS
    Fig 1: CONSULT II Display - Data Monitor
    G04077386Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Check voltage between BCM connectors B4 (driver side), M1 (passenger side) terminals 62, 12 and ground.

    Fig 2: Identifying Voltage Between BCM Connectors B4, M1 Terminals 62, 12 And Ground
    G04181832G04181833Courtesy of NISSAN MOTOR CO., U.S.A.NISSAN MOTOR CO., U.S.A.
    TERMINALS VOLTAGE REFERENCE

    Item Connectors Terminals (Wire color) Condition Voltage [V] (Approx.)
    (+) (-)
    Driver side door switch B4 62 (Y) Ground CLOSE
    G04181833Courtesy of NISSAN MOTOR CO., U.S.A.
    Passenger side door switch M1 12 (P) OPEN 0

    OK or NG 

    OK: Door switch circuit is OK.

    NG: GO TO 2.

  2. CHECK DOOR SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect door switch and BCM connector.
    3. Check continuity between door switch connector B17 (driver side), B410 (passenger side) terminals 1 and BCM connector B4, M1 terminals 62, 12.

      Driver side door 

      1 (G/B) - 62 (Y): Continuity should exist  .

      Passenger side door 

      1 (P) - 12 (P): Continuity should exist  .

    4. Check continuity between door switch connector B17 (driver side), B410 (passenger side) terminals 1 and ground.

      1 (G/B or P) - Ground: Continuity should not exist  .

      Fig 3: Identifying Continuity Between Door Switch Connector B17, B410 Terminals 1 And Ground
      G04181834Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace harness.

  3. CHECK DOOR SWITCH 

    Check continuity between door switch B17 (driver side) or B410 (passenger side) terminal 1 and ground part of door switch.

    TERMINALS CONTINUITY REFERENCE

    Terminal Door switch Continuity
    1 Ground part of door switch Pushed No
    Released Yes
    Fig 4: Identifying Continuity Between Door Switch B17 Terminal 1 And Ground
    G04181835Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Replace door switch.

  4. CHECK DOOR SWITCH INPUT SIGNAL 
    1. Connect BCM connector.
    2. Check voltage between BCM connectors B4 (driver side), M1 (passenger side) terminals 62, 12 and ground.
      TERMINALS VOLTAGE REFERENCE

      Item Connectors Terminals (Wire color) Voltage [V] (Approx.)
      (+) (-)
      Driver side door switch B4 62 (Y) Ground
      G04181836Courtesy of NISSAN MOTOR CO., U.S.A.
      Passenger side door switch M1 12 (P) 0

    OK or NG 

    OK: Check harness connection.

    NG: Replace BCM.

    Fig 5: Checking Voltage Between BCM Connectors B4, M1 Terminals 62, 12 And Ground
    G04181837Courtesy of NISSAN MOTOR CO., U.S.A.