2009 Acura CSX Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Shift Lock System

The shift lock system prevents the shift lever frommis-shifting. The shift lock solenoid is usually OFF. After starting the engine in P, the shift lever cannot move to any other position from P because the shift lock stop stops the lock pin unless the brake pedal is pressed.When the brake pedal is pressed and the accelerator pedal is not pressed, the shift lock solenoid is ON; the shift lock solenoid plunger in the shift lock solenoid pulls the shift lock stop to release the lock pin. Pressing the shift lever button, allows the shift lever tomove to any other position. When the brake pedal and the accelerator pedal are pressed at the same time, the shift lock system is not unlocked.

Fig 1: Identifying Shift Lock System (Solenoid OFF)
G00490232Courtesy of AMERICAN HONDA MOTOR CO., INC.
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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