Key/immobilizer Programming!

[odufox]

Hi Guys,

1st..great forum! I have used the search feature and found answers to many of my questions. However there is one that I'm at a lost on. I have a new key that was cut for my 1998 gs 400, its the US model..dont know correct terminology :)..So the key makes everything in the car come on but it will not start the car, and remote will not work. I was told by the dealership that I could pay them and they would program it for me. But I know there has to be a way to do it myself. I have a master key that works excellect...but its my only key. So if anyone has DIRECTIONS on the steps needed to program the key/immobilizer so that it will start my car I would be real thankful.

Thank guys for all the help!!!!!!

ODUFOX

Current Car Rating:

BMW.....4

BENZ....6

LEX.......95,465,484,651,846,516,841,654,641,685,163,864,884,168,467,645,656,468,765,468,416,848.00

:D

[P4UL T]

I maybe wrong, but I think new keys can only be programed by a dealer

[odufox]

I hope you are wrong :D But the more and more I look it is looking like you are right. I think i might have to stop being cheap and let them do it.

[odufox]

If anyone has any additional information im still open minded

[Mike_B]

If you poke about on the IS forum, there are instructions for programming a key there. Have a search for it...

BUT I don't know if those instructions will work on a GS or not...

Mike

[odufox]

I saw some that I did try but they did not work.

[davepruce]

Have you tried these people http://www.lostcarkeys.co.uk/

They may be able to help

HTH

Dave

[odufox]

Im going to shoot them an email.

[jeff690]

> *_How to Program Lexus Transponder Keys new and old to your car_*

>

> *_ _*

>

> *This is for the chip inside your key that starts the car*

>

> *

> *Process works with all keys - remotes, valet, non-remotes

>

>

> 1. Enter the car with a working pre-programmed key and close all doors.

> Simultaneously depress and release both the brake and the accelerator

> pedals.

> 2. Within 5 seconds, insert the working pre-programmed key into the

> ignition. DO NOT TURN THE KEY.

> 3. Within 15 seconds of inserting the ignition key, depress and release

> the accelerator pedal 5 times.

> 4. Within 20 seconds, depress and release the brake pedal 6 times.

> 5 Within 10 seconds, remove the working pre-programed key from the

ignition.

> 6. Within 10 seconds, insert the pre-programmed key back into the

ignition.

> 7. Depress and release the accelerator pedal one time. The security

> light should now begin flashing to indicate that the computer is reading

> the new key and programming the system.

> 8. Leave the new key in the ignition for at least 60 seconds. When the

> security light stops flashing, the programming process should be complete.

> 9. Test the new key. Place the key into the ignition and verify that the

> car will start.

> 10. If this is a new remote master key, test the remote functions on the

> new key.

>

> *_

> How to program Lexus remote keys for locking/unlocking doors etc_*

>

> *_ _*

>

> 1. Sit in the driver's seat and lock all the doors.

> 2. Unlock and open the driver's door.

> 3. Insert the key into the ignition and remove it (don't turn it...just

> remove it).

> 4. Using the MANUAL lock switch on the driver's door, lock and unlock

> the door 5 times.

> 5. Close the door.

> 6. Open the door.

> 7. Lock and unlock the driver's door 5 times (I'm almost certain you use

> the MANUAL lock switch again, but if this sequence fails to work, try

> again with the power switch).

> Insert the key into the ignition and turn it to the "ON" position.

> Remove the key.

> 8. The driver's door will now lock and unlock itself one time.

> 9. Press and hold the "LOCK" button on the key fob for at least 1 second.

> 10. Close the driver's door.

> 11. Open the driver's door.

> 12. Press and hold the "LOCK" button on the key fob for at least one

second.

> 13. Close the driver's door.

> 14. Press and hold the "LOCK" button on the key fob. The door will lock.

> 15. Press and hold the "LOCK" button on the key fob again. The door will

> unlock.

>

>

> You should be all set.

MERRY XMAS AND HAPPY NEW YEAR ALL!!!

JEFF