FixVault
Home › Nissan-Datsun › 2004 › Sentra SE-R › Repair and Diagnosis › External Pages › Different car › Section 1079 (Sunroof System) › Sunroof › Door Switch Check

Door Switch Check

WARNING: This page is about a different car, the 2004 Nissan Quest. 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-

    MONITOR ITEM AND CONDITION

    Monitor item Condition
    DOOR SW-DR OPEN : ON
    CLOSE : OFF
    DOOR SW-AS OPEN : ON
    CLOSE : OFF
    Fig 1: Display CONSULT II (Data Monitor)
    G03500263Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Check voltage between BCM connector and ground.

    BCM CONNECTORS VOLTAGE

    Item Connector Terminals (Wire color) Condition Voltage (V) (Approx.)
    (+) (-)
    RH M18 12(GY/L) Ground OPEN 0
    CLOSE Battery voltage
    LH M20 62 (GY/R) OPEN 0
    CLOSE Battery voltage

    OK or NG

    1. OK: Door switch is OK.
    2. NG: GO TO 2.
      Fig 2: Checking Voltage Between BCM Connector And Ground
      G03500264Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK DOOR SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front door switches and BCM.
    3. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 1 and BCM connector M18, M20 terminals 12, 62.
      1. Front door LH 
      2. 1 (GY/R) -62 (GY/R): Continuity should exist. 
      3. Front door RH 
      4. 1 (GY/L) -12 (GY/L): Continuity should exist. 
    4. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 1 and ground.
      1. 1 (GY/R or GY/L) -Ground: Continuity should not exist. 
      2. Ground 

      OK or NG

      1. OK: GO TO 3.
      2. NG: Repair or replace harness between BCM and sunroof motor assembly.
        Fig 3: Checking Continuity Between Front Door Switch Connector B8 (LH) Or B108 (RH) Terminal 1 And BCM Connector M18, M20 Terminals 12, 62
        G03500265Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK DOOR SWITCH 

    Check continuity between each door switch terminal 1 and body ground part of door switch.

    DOOR SWITCH TERMINALS CONTINUITY

    Terminal Door switch Continuity
    1 Body ground part of door switch Pushed No
    Released Yes

    OK or NG

    1. OK: GO TO 4.
    2. NG: Replace malfunctioning door switch.
      Fig 4: Checking Continuity Between Each Door Switch Terminal 1 And Body Ground Part Of Door Switch
      G03500266Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK BCM OUTPUT SIGNAL 
    1. Connect BCM connector.
    2. Check voltage between BCM connector M34 terminal 12 (GY/L) (RH), 62 (GY/R) (LH) and ground.
    1. RH 12 (GY/L) - Ground: Battery voltage 
    2. LH 62 (GY/R) - Ground: Battery voltage 

    OK or NG

    1. OK: Check the condition of the harness and the connector.
    2. NG: Replace BCM.
      Fig 5: Checking Voltage Between BCM Connector M34 Terminal 12 (GY/L) (RH), 62 (GY/R) (LH) And Ground
      G03500267Courtesy of NISSAN MOTOR CO., U.S.A.
About FixVault