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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1748 (Body, Lock & Security System (Sedan)) >> Remote Keyless Entry System >> Check Door Switch
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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""DOOR SW-AS""DOOR SW-RL" and "DOOR SW-RR") 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
    DOOR SW-RL
    DOOR SW-RR
    Fig 1: Display CONSULT-II - Data Monitor Screen
    G04122330Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Driver side and Passenger side 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
    G04122331G04122332Courtesy of 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
    G04122332
    Passenger side door switch M1 12 (P) OPEN 0

    Rear LH side and Rear RH side.

    Check voltage between BCM connector and ground.

    TERMINALS VOLTAGE REFERENCE

    Item Connector Terminals (Wire color) Door condition Voltage [V] (Approx.)
    (+) (-)
    Rear LH B4 63 (P) Ground CLOSE then OPEN Battery voltage then 0
    Rear RH M1 13 (P)
    Fig 3: Identifying Voltage Between BCM Connector And Ground
    G04122333Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Door switch circuit is OK.
    • NG: GO TO 2.
  2. CHECK DOOR SWITCH 
    1. Turn ignition switch OFF.
    2. Disconnect door switch connector.
    3. Check continuity between door switch terminal 1 and ground part of door switch.
    TERMINALS CONTINUITY REFERENCE

    Terminal Door switch condition Continuity
    1 Ground part of door switch Pushed No
    Released Yes
    Fig 4: Identifying Continuity Between Door Switch Terminal 1 And Ground
    G04122334Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO 3.
    • NG: Replace door switch.
  3. CHECK DOOR SWITCH CIRCUIT 
    1. Disconnect BCM connector.
    2. Check continuity between door switch connector B17, B23, B20, B32 terminals 1 and BCM connector M1, B4 terminals 62, 12, 63, 13.

      Driver side door 

      1 (W) - 62 (W) : Continuity should exist. 

      Passenger side door 

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

      Rear door LH 

      1 (P) - 63 (P) : Continuity should exist. 

      Rear door RH 

      1 (P) - 13 (P) : Continuity should exist. 

    3. Check continuity between door switch connector B26, B36, B46, B206 terminal 1 and ground.

      1 (W or P) - Ground : Continuity should not exist. 

      Fig 5: Identifying Continuity Between Door Switch Connector B26, B36, B46, B206 Terminal 1 And Ground
      G04122335Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO 4.
    • NG: Repair or replace harness.
  4. CHECK BCM OUTPUT SIGNAL 
    1. Connect BCM connector.
    2. Check voltage between BCM connector M1, B4 terminal 62, 12, 63, 13 and ground.

      OK or NG

      62 (W) - Ground : Battery voltage 

      12 (P) - Ground : Battery voltage 

      63 (P) - Ground : Battery voltage 

      13 (P) - Ground : Battery voltage 

      Fig 6: Identifying Voltage Between BCM Connector M1, B4 Terminal 62, 12, 63, 13 And Ground
      G04122336Courtesy of NISSAN MOTOR CO., U.S.A.
    • OK: Check harness condition.
    • NG: Replace BCM.
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