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Door Switch Check

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FRONT DOOR SWITCH INPUT SIGNAL 

    With CONSULT-II 

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

    Fig 1: Monitor Item Condition Chart
    G02420307Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: DATA MONITOR - CONSULT II Display Screen
    G02420308Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Check voltage between BCM connector and ground.

    Fig 3: Terminals Voltage Reference Chart
    G02420309Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 4: Checking Voltage Between BCM Connector And Ground
    G02420310Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Front door switch is OK.
    • NG: GO TO 2.
  2. CHECK FRONT DOOR SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front door switch LH or RH and BCM connector.
    3. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and BCM connector M18 terminal 12 and connector M20 terminal 62.

      Front LH 

      2 (SB) - 62 (SB): Continuity should exist. 

      Front RH 

      2 (BR/W) - 12 (BR/W): Continuity should exist. 

    4. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and ground.

      2 (SB or BR/W) - Ground: Continuity should not exist. 

      Fig 5: Checking Continuity Between Front Door Switch Connector B8 (LH) Or B108 (RH) Terminal 2 And Ground
      G02420311Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO 3.
    • NG: Repair or replace harness.
  3. CHECK DOOR SWITCH 
    1. Disconnect front door switch LH or RH.
    2. Check continuity between each front door switch terminal 2 and body ground part of front door switch.
      Fig 6: Terminals Continuity Reference Chart
      G02420312Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 7: Checking Continuity Between Front Door Switch Terminal 2 And Body Ground Part Of Front Door Switch
      G02420313Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Further inspection is necessary. Refer to .
    • NG: Replace malfunctioning front door switch.