2009 Scion tC AutomaticFACTORY OEM SERVICE PROCEDURE

System Outline: Notes

Door lock control (Lock and unlock) and panic control (Theft alarm and flash) is performed by remote control, without the ignition key needing to be inserted in the door key cylinder, using low-power electrical waves emitted by a transmitter.

Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.