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View Full Version : TOYOTA COROLLA 4E-FE immo sync help



teknokaos
18th April, 2024, 05:40 PM
Hello, I have a vehicle and it does not work due to immo failure. Key information and 93lc66 eeprom information are here. Is it possible to synchronize the immobilizer or is it possible to turn immo off? Can you help?

FUJITSU 89661-1A760 93LC66
4c texas

adrielsoares93
18th April, 2024, 10:09 PM
Hello friend, test and reply please.

ngakson2002
19th April, 2024, 08:34 AM
Hello mate,

The 4E-FE Engine computer is not fitted with an external memory which stores the Synchro bytes between Immobilizer and Engine ECU. However, the good new is that in this type of system, synchronization of the ECU Units is Automatic whenever either the immobilizer or Engine ECU is Replaced.
Back to your Problem here are some suggestions:

1) Buy a good working immobilzer , program the key and fit it in the car at the first ignition, the Units will synchro and you can start the car

2) This ECU also comes not CODED, you can get one, and prior to fitting it on the car, alter the IGT wire.


Best Regards