[KEY] Corolla ZZE122/ZZE123 Key programming

Registration of additional sub key 

1. Ensure no key is in the ignition key cylinder.
2. Insert the already registered master key into the ignition key cylinder.
3. Depress and release the accelerator pedal 4 times within 15 sec.
4. Depress and release the brake pedal 5 times and remove the master key within 20 sec. 
5. Insert the key to be registered into the ignition key cylinder within 10 sec.
6. Depress and release accelerator pedal once within 10 sec.
7. After 60 sec, the key is registered(The security indicator turns OFF).
8. Remove the registered key. 
9. The registration mode complete when pulling out the key and depressing and releasing the brake pedal once or more within 10 sec after indicator has been off or 10 sec have passed.

Registration of additional Master key

1. Ensure no key is in the ignition key cylinder.
2. Insert the already registered master key into the ignition key cylinder.
3. Depress and release the accelerator pedal 5 times within 15 sec.
4. Depress and release the brake pedal 6 times and remove the master key within 20 sec. 
5. Insert the key to be registered into the ignition key cylinder within 10 sec.
6. Depress and release accelerator pedal once within 10 sec.
7. After 60 sec, the key is registered(The security indicator turns OFF).
8. Remove the registered key. 
9. The registration mode complete when pulling out the key and depressing and releasing the brake pedal once or more within 10 sec after indicator has been off or 10 sec have passed.

Erasure of key code from the engine ECU

1. Insert the already registered master key into the ignition key cylinder and turn ignition switch ON.
2. Depress and release the accelerator pedal 6 times alternately within 15 sec.
3. Depress and release the brake pedal 7 times alternately within 20 sec.
4. Remove the master key within 10 sec.