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Using LEXUS Scan Tool

  1. Insert master key in ignition. Turn ignition on.
  2. Perform this step within 2 minutes. Select LS430 from menu. Select IMMOBILIZER, KEY CODE UTILITY and TRANSPONDER CODE REGISTRATION. After these operations, proceed to additional operations following prompts on tester screen.
  3. Perform this step within 10 seconds. Remove master key.
  4. Procedure is now completed. Key code should now be erased. If key cannot be removed from ignition, key code deletion is canceled. Security indicator will turn off. Repeat procedure from step  1.
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