What do I need to replace my ECU key?
Basically you need to a key that will open the car, IE door lock and ignition and you also need a key which matches the transponder unit and the ecu. So they key that turns off imobiliser and one that can start the car! Will explain fully when home from work if needed!
What should I do if I Lost my ECU?
WOULD THIS WORK? 1. Make a copy of my transponder key that works with current locks onto non-transponder key. 2. Replace current ECU for new (scrap) one. 3. Tape the black master key that came with “scrapkit” to the ignition lock, like in picture from Prius link above. 4. Try to start car with non-transponder key in my current ignition lock.
Why is the transponder ECU under the dash?
The reason for separating the Transponder ECU with the EEPROM storing the keys is that in the invent of lost keys, it would be cheaper for a dealership to replace the Transponder ECU than the Engine Control Unit. However its location under the dash means you will have to remove the entire dash pad.
How to insert third transponder key in ignition lock cylinder?
Insert third transponder key into ignition lock cylinder for registration DO NOT TURN ON. After security light goes off remove third key from ignition. The security light should extinguish and then commence to blink regularly. 5. Wait 30 seconds for the programming cycle and programming mode to close.
Insert third transponder key into ignition lock cylinder for registration DO NOT TURN ON. After security light goes off remove third key from ignition. The security light should extinguish and then commence to blink regularly. 5. Wait 30 seconds for the programming cycle and programming mode to close.
What are the virginize keys in the ECU?
The virginize keys are values that are “10” in the original dump but must be changed to “00” to tell the computer to go into auto-programming mode. The Key counter is a number count, in inverse HEX, of how many keys are currently stored in the ECU. This must be zeroed as well. Here’s a look-up table to invert HEX.
The reason for separating the Transponder ECU with the EEPROM storing the keys is that in the invent of lost keys, it would be cheaper for a dealership to replace the Transponder ECU than the Engine Control Unit. However its location under the dash means you will have to remove the entire dash pad.
Can You virginize the ECU on a Toyota?
While taking the car to a dealership or locksmith is an option, it could get expensive because you are at their mercy. What follows is a cheaper method you can do yourself to “virginize” your ECU to accept new keys. Here’s an overview on how the immobilizer system works on older Toyota and Lexus vehicles.