LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2016 >> CT 200h Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostics - Introduction (1 Of 2) >> SFI System >> Registration [08/2014 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Registration [08/2014 - ]: Procedure

  1. DESCRIPTION 
    NOTE:

    The Vehicle Identification Number (VIN) must be input into a replacement ECM.

    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, the one provided with the vehicle and the one 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 power switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Powertrain / Engine and ECT / Utility / VIN / VIN Read.
  3. WRITE VIN 
    1. Confirm the vehicle VIN.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Powertrain / Engine and ECT / Utility / VIN / VIN Write.
scientia non olet · About LEMON Manuals