2012 Toyota Corolla Base, Automatic TransFACTORY OEM SERVICE PROCEDURE

Steering Lock System: Initialization: Initialization

HINT:Β 

In vehicles equipped with the smart key system, the starting function may not operate after recharging or while jump-starting a discharged battery. This condition is most common if the battery voltage drops below 9 V. The following procedure has been developed to address this condition.

  1. INITIALIZATION PROCEDUREΒ 
    Fig 1: Identifying Cap And Shaft
    GTY178923Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
    1. Confirm that the DCC fuse is installed.

      HINT:Β 

      If the DCC fuse is not installed, install it at this time.

    2. Move the shift lever to neutral.
    3. Turn the engine switch off.
    4. Open the driver's door.

      HINT:Β 

      Opening the driver's door will start an initialization process between the steering lock ECU and the engine room junction block.

    5. Depress the brake pedal.
    6. Press the engine switch.
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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