2021 Nissan-Datsun Sentra SFACTORY OEM SERVICE PROCEDURE

Diagnosis Procedure

  1. PERFORM SELF-DIAGNOSIS 

    SYMBOL With CONSULT

    Perform ECM self-diagnosis.

    Is DTC detected?

    YES

    Perform diagnosis of applicable.

    NO

    GO TO 2.

  2. CHECK BRAKE PEDAL POSITION SWITCH 

    Check brake pedal position switch. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Repair or replace error-detected parts.

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:

  • • 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.

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