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HOMESERVICE MANUALSTOYOTA2009SEQUOIA LIMITED, 5.7 Y, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 27 (ENGINE CONTROL SYSTEM (2UZ-FE) - DIAGNOSTIC INTRODUCTION)SFI SYSTEMREGISTRATION
2009 Toyota Sequoia Limited, 5.7 Y, RWD

SFI System: Registration

2009 Toyota Sequoia Limited, 5.7 Y, RWDSECTION Registration
WARNING: This page is about a different variant/trim than selected.
  1. DESCRIPTION (Using Techstream) 

    HINT:

    This registration section consists of two parts, Read VIN and Write VIN.

    1. Read VIN: This process allows the VIN stored in the ECM to be read in order to confirm that the two VINs, provided with the vehicle and stored in the vehicle's ECM, are the same.
    2. Write VIN: This process allows the VIN to be input into the ECM. If the ECM is changed, or the ECM VIN and vehicle VIN do not match, the VIN can be registered, or overwritten in the ECM by following this procedure.
  2. READ VIN 
    1. Confirm the vehicle VIN.
    2. Connect the Techstream to the DLC3.
    3. Turn the ignition switch to ON.
    4. Turn the Techstream ON.
    5. Enter the following menus: Powertrain/Engine/Utility/VIN/VIN Read.
  3. WRITE VIN 
    1. Confirm the vehicle VIN.
    2. Connect the Techstream to the DLC3.
    3. Turn the ignition switch to ON.
    4. Turn the Techstream ON.
    5. Enter the following menus: Powertrain/Engine/Utility/VIN/VIN Write.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.