programming immobilizer inside key

[skiingdon]

Can I program the immobilizer chip inside the key myself? I know how to program the Keyless Entry Remote for my 1998 Toyota Avalon. Is it the same Process?

[flyer728]

add an additional MASTER key to the car’s computer
1. Make sure all windows are rolled up and all doors are shut.
2. From outside the car LOCK the car door with the key.
3. From outside the car UNLOCK the car door with the key.
4. Enter vehicle and close the door.
5. Start the car’s engine.
6. Turn engine off and remove key.
7. Place master key in the ignition lock. (DO NOT TURN ON.)
8. Press and release the gas pedal 5 times.
9. Forcefully press and release the brake pedal 6 times.
10. Remove key
11. Place new key in the ignition lock. (DO NOT TURN ON.)
12. Press and release the gas pedal 1 time.
13. Wait (about 1 minute) for security light to stop blinking.
14. Remove new key from the ignition lock.
15. Press brake pedal 1 time to close programming cycle.
16. Wait 15 seconds for programming cycle to end
17. Insert new key into ignition lock and start the vehicle.

[Winston Ross]

Hello,is that the programming instructions for 98 XLS keys?I have different instructions and I cannot seem to be able to programme my key.I have 98 XLS.

[RocknAngel]

Originally Posted by flyer728

add an additional MASTER key to the car’s computer
1. Make sure all windows are rolled up and all doors are shut.
2. From outside the car LOCK the car door with the key.
3. From outside the car UNLOCK the car door with the key.
4. Enter vehicle and close the door.
5. Start the car’s engine.
6. Turn engine off and remove key.
7. Place master key in the ignition lock. (DO NOT TURN ON.)
8. Press and release the gas pedal 5 times.
9. Forcefully press and release the brake pedal 6 times.
10. Remove key
11. Place new key in the ignition lock. (DO NOT TURN ON.)
12. Press and release the gas pedal 1 time.
13. Wait (about 1 minute) for security light to stop blinking.
14. Remove new key from the ignition lock.
15. Press brake pedal 1 time to close programming cycle.
16. Wait 15 seconds for programming cycle to end
17. Insert new key into ignition lock and start the vehicle.

Security light never stopped blinking. ; There can only be 3 keys at one time. We only have 1 key, We bought 2 & had them cut. Now, We tried the above steps but the light never stopped blinking. Then we tried deleting ; Same steps 1 through 7 above, then #8, 6 times, #9 , 7 times (Security light will flash).#10 remove key. Well, the Security light never flashed.

Can anybody help???