Program Toyota Crown 2012 key with OBDSTAR X100 Pro

Here’s the tutorial on programming Toyota Crown 2012 remote key by using OBDSTAR X100 Pro auto key programmer.

 

2 optional methods:

1- replace the smart key’s ECU control box for key matching

2- disassemble ECU box to write initialized data, then use OBDSTAR X100 for key programming

 

Toyota Crown 2012:

The smart key ECU is located on the right of the car trunk

 

Disassemble the smart key ECU, take out the board to disassemble the S2934 chip

Replace S2934 with 93C76 / 93C86 to write initialized data

Solder the 93C76 / 93C86 chip

Reversely install the smart key ECU to the car, then insert the key

Press the ENGINE START STOP button until the yellow indicator lights up, turn ignition on

Connect OBDSTAR X-100 Pro programmer to the car

Then start X100 pro

Enter TOYOTA-2012 CROWN-IMMOBILIZER-SMART CARD SYNCHRONIZATION

DO NOT remove the key

Press OK for the smart card synchronization

The SECURITY indicator on the dashboard turns ON for 10-20 seconds, then turns off automatically

Then smart card matching success

X100 enters ADD SMART CARD, then follow the screen instruction

Note:

2012 Crown comes with the main and additional cards; only the main card is smart while the additional can do remote control and start the engine. The body and buttons on the main card is black, while the additional card’s is gray.

Left- main card; right- additional card

 

The smart control can be turned off with a switch under the steering wheel. Some users have thought of something wrong with the smart system. If you press it wrongly to cause the smart system out of order, just press it again to back normal.

KEY: cut off the switch smartly

SET: reset tire pressure

If you want to program two main smart keys, you should take the other out if the car at least 1 meter when programming the one; or you would failed to program keys.

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