TOYOTA TRANSPONDER KEY PROGRAMMING. Please try the procedure below. YOU MUST HAVE A MASTER. IF YOUR KEY THAT YOU ARE CURRECTLY USING IS A COPY OR CLONE. THE PROCEDURE BELOW WILL NOT WORK. If you still have any questions, please let me know. Thank you. Obtain one black programmed master key 1. Insert black programmed key into ignition. 2. Press and release accelerator pedal 5 times within 15 seconds of inserting key into ignition. 3. Press and release brake pedal 6 times within 20 seconds of step 2. 4. Remove black key from ignition switch. 5. Insert unprogrammed key into ignition within 10 seconds of step 4. 6. Press and release accelerator pedal once within 10 seconds of step 5. 7. Once these steps are performed properly you will see the immobilizer warning lamp begin to flash and after one minute the lamp will stop flashing. Once the immobilizer warning lamp stops flashing you will have ten seconds to insert an additional key to be programmed. 8. Within ten seconds of inserting key into ignition press and release accelerator pedal once. 9. Immobilizer warning lamp will flash and after one minute the lamp will shut off.