2018 Nissan-Datsun Sentra SLFACTORY OEM SERVICE PROCEDURE

Component Description

Item

Function

BCM

Controls the door lock function.

Door lock and unlock switch

Input lock or unlock signal to BCM.

Door switch

Input door open/close condition to BCM.

Key switch

Input key switch condition to BCM.

Remote keyless entry receiver

Receives lock/unlock signal from the keyfob, and then transmits to BCM.

Horn

Provides audible warning in panic mode.

Factory Service Tools

Use the Manual With the Right Hardware

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

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When to See a Mechanic

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

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