How To Program Key For Toyota RAV4 All Key Lost

A Toyota RAV4 owner lost all key,ask to relace all lock on his car and program new key.In this article I will share the guide on How To Program Key For Toyota RAV4 All Key Lost.Hope it is helpful to you!

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Step 1:Remove all orginal lock of his Toyota RAV4,and installed the new lock.And after replacement,we repare to program new key for toytoa RAV4 all key lost.

Step 2:Remove the ECU Aggregation model 89300-42070 which located behind glove compartment.

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Step 3:Open the ECU aggretation,and remove the 93c86 8 pin chip,then write the new initialized data file into 93c86.If you find can not write the data file into,you need to replace a new 93c86.Then soldering the 93c86 back on the ecu aggretation PCB board,then assemble the ECU aggretation and install it back on RAV4.

Step 4:Remove the immobilizer box,open the it to find the 93c46 chip.Then read out the data from 93c46 chip by programmer.And write a initialized data into the 93c46 chip.Then install assembled immobilizer back to RAV4.

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Program key

Plug T300 Key programmer to the car,then open the program software on you latop.

Select “Smart program”–>”System 1”,it will remind you to turn the igniton on,press the “comfirm”,then select “Special function”–>”Program key”,it will remind “you can program 4 key up” press “comfirm”.

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Then the software will remind you close the side with “Toytoa Logo” to Start button.You will sound a sound,it mean program successfully.

 

Finally,you need to do synchronized operation.Use a wire to connect the 13 pin and 14 pin of OBD scoket

Test each key programed! Done!

 

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