Toyota Avensis 2004-2006 with eeprom 24C04 all keys have lost. How to make key from zero by removing the immobilizer unit dump 24C04 and reading with programmer and generating transponder 4D.
1.
Locate the box immobilizer reference: VALEO 89780-05040.
2. How to program 4D transponder.
Solution for whole thing:
1. Remove Immobox behind center vent on dashboard
2. Read eeprom 24C04 with VVDI Prog Clamp
3. Use VVDI Key Tool Max Pro Immo data -> Add ID70 transponder to eeprom file (USED Old junk avenis original 4D transponder!)
4. Write new file back to eeprom with VVDI Prog
5. Plug it back to car
6. Cloned chip to new key
7. Start car wtihout problem!
So as result original 4D chip is critical. But you can still clone that chip to superchip and it works also.
This car need original transponder. Super chip no good.