2002 Nissan-Datsun Sentra SE-R Spec VFACTORY OEM SERVICE PROCEDURE

Check Front Door Switch

WARNING: This page is about a different car, the 2004 Infiniti M45. 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 switch ("DOOR SW-DR" and "DOOR SW-AS") in "DATA MONITOR" mode with CONSULT-II.

    Fig 1: Checking Front Door Switch Input Signal With CONSULT-II
    G00744183Courtesy of NISSAN MOTOR CO., U.S.A.

    With CONSULT-II 

    Check front door switch in "SWITCH MONITOR" mode. Refer to SWITCH MONITOR  .

    OK or NG 

    1. OK: Front door switch is OK.
    2. NG: GO TO 2
  2. CHECK FRONT DOOR SWITCH 
    1. Turn ignition switch OFF.
    2. Disconnect front door switch connector and BCM connector.
    3. Check continuity between front door switch connector B20 (driver side), B220 (passenger side) terminal 1 (R/Y, LG) and BCM connector B4, M4 terminal 142 (R/Y), 37 (LG).
      Fig 2: Checking Front Door Switch
      G00744185Courtesy of NISSAN MOTOR CO., U.S.A.

      Driver side door switch 

      1 (R/Y) - 142 (R/Y): Continuity should exist. 

      Passenger side door switch 

      1 (LG) - 37 (LG): Continuity should not exist. 

    4. Check continuity between door switch connector B20, B220 terminal 1 (R/Y,LG) and ground. See Fig 2 .

      Each door switches 

      1 (R/Y,LG) - Ground: Continuity should not exist. 

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Repair or replace harness.
  3. CHECK FRONT DOOR SWITCH 

    Check continuity between front door switch connector B20 (driver side), B220 (passenger side) terminal 1 and ground part of door switch.

    Fig 3: Checking Front Door Switch (1 Of 2)
    G00744186Courtesy of NISSAN MOTOR CO., U.S.A.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.