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Repair Service: 1998-2005 Lexus Toyota ECU Immobilizer Key Programming Reset

$149.99

Availability: 5 in stock

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* Repair Service Terms & Conditions
SKU: RPR-ECU-LEX-TOY-IMMO-98-05 Categories: , Tags: ,

This service will reset your 1998-2005 Lexus or Toyota ECU so you can program keys into it again. Your ECU will be placed into learn mode as if it were brand new. Once you install the ECU back in your car it will be ready to easily program existing or new keys into it. The process below assumes you have two master keys and a third valet key. Take care to follow the directions closely as you can only perform this procedure one time. The process to do so is as follows:

  1. Install the ECU
  2. Insert any key into ignition lock cylinder and remove it immediately. The security light should illuminate and remain on
  3. Insert the first key into the ignition lock cylinder, but do not turn it on. The security light may blink indicating the key has been accepted.
  4. Wait 5 seconds then remove the first key. Security light should remain on.
  5. Insert the second key into the ignition lock cylinder, but do not turn it on. The security light may blink same as step 3.
  6. Repeat step 4.
  7. For the third key repeat steps 2-4. Wait 30 seconds for programming mode to close.
  8. If you do not have a third key: You will need to manually close the programming mode. If you want to only program one or two keys, once you remove the final key the security light will still be illuminated. Press the brake pedal 5 times or turn the ignition on to off and back on again 5 times. This will end the key programming sequence. The car should start and run with your one or two programmed keys.

To test, insert a master key and the security light should stop blinking immediately. If you insert the third valet key, the light will remain solid for two seconds and then turn off.

If the car still does not start you may need to re-sync the ECU and the immobilizer. Perform these steps.
1) Insert a master key into the ignition and turn to “ON”. Do not start the car.
2) Use a jumper wire and connect terminal 3 and 14 on the OBD2 port for 30 minutes.
3) Remove the key from the ignition, remove the jumper wire, and attempt to start the car.

 

Make

,

Condition

Refurbished

Fitment

Lexus LS400 1998, 1999, 2000
Lexus IS300 2001, 2002, 2003, 2004, 2005
Lexus SC300 1998, 1999, 2000
Lexus SC400 1998, 1999, 2000
Lexus GS400 1998, 1999, 2000
Lexus GS300 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Lexus GS430 2001, 2002, 2003, 2004, 2005
Lexus LX470 1998, 1999, 2000, 2001, 2002
Lexus ES300 1997, 1998, 1999, 2000, 2001, 2002, 2003
Lexus RX300 1999, 2000, 2001, 2002, 2003
Toyota Avalon 1998, 1999, 2000, 2001, 2002, 2003, 2004
Toyota 4Runner 1999, 2000, 2001, 2002
Toyota Camry 1998, 1999, 2000, 2001, 2002
Toyota Highlander 2001, 2002, 2003
Toyota Land Cruiser 1998, 1999, 2000, 2001, 2002
Toyota MR2 2000, 2001, 2002, 2003, 2004, 2005
Toyota Sienna 1999, 2000, 2001, 2002, 2003
Toyota Sequoia 2001, 2002
Toyota Solara 1999, 2000, 2001, 2002, 2003

 

Warranty

This repair service comes with a 90-day warranty.

Please visit our warranty page for more details.

Service Disclaimer

When you send us your used part and explain your issues, we will diagnose your reported issues. We can make additional recommendations to replace common wear items that frequently fail, but we do not/can not test every aspect of your used part. If something else fails that is not related to your original issue or the repairs we performed, we are not responsible and these issues are not covered under your repair’s warranty.

What Happens Next?

Simply print & fill out our repair work order and ship your item to Tanin Auto Electronix!

View our shipping page for more detailed instructions and current turnaround times.

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