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Registration [11/2021 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.
  1. DESCRIPTION 

    HINT: 

    This registration information consists of 2 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 2 VINs, provided with the vehicle and stored in the vehicle ECM, are the same.
    2. Write VIN: This process allows the VIN to be input into the ECM. If the ECM is replaced, 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 engine switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Powertrain / Engine / Utility / VIN / VIN Read.

      Powertrain > Engine > Utility 

      Tester Display
      VIN
  3. WRITE VIN 
    1. Confirm the vehicle VIN.
    2. Connect the Techstream to the DLC3.
    3. Turn the engine switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Powertrain / Engine / Utility / VIN / VIN Write.

      Powertrain > Engine > Utility 

      Tester Display
      VIN
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