2003 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE

Set Operation

WARNING: This page is about a different car, the 2004 Infiniti M45 and 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

To activate the ASCD, all of following conditions must exist.

  • Power supply to ASCD control unit terminal 8. [Brake pedal is released and A/T selector lever is in a position other than P or N.]
  • Vehicle speed is between 40 km/h (25 MPH) and 144 km/h (89 MPH). (Signal from combination meter)

When the SET/COAST switch is depressed, power is supplied:

  • from ASCD control unit terminal 11
  • to ASCD steering switch terminal 2.

And then ASCD pump is activated to control throttle wire and ASCD control unit supply ground

  • to combination meter terminals 61 to illuminate SET indicator.
Factory Service Tools

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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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