2021 Nissan-Datsun Sentra SFACTORY OEM SERVICE PROCEDURE

Basic ASCD System

CAUTION: Always drive vehicle in safe manner according to traffic conditions and obey all traffic laws.
  • Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at predetermined constant speed without depressing accelerator pedal by driver's setting of vehicle speed * .

    *: Driver can set the vehicle speed between approximately 40 km/h (25 MPH) and 144 km/h (89 MPH).

  • ECM transmits a ASCD operation status signal to the combination meter and operation status of ASCD is indicated on the information display in the combination meter. Refer to OperationΒ .
  • If any malfunction occurs in ASCD system, it automatically deactivates control.
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.

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