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TK-Prog v1.03 Smart key solution Quick start guide
TK‐Prog v1.03 is an engineering USB‐attached device for smart key registration and ECU repairing within Toyota/Lexus/Subaru keyless Smart Access System. Supported model range (MY2006‐2016): Lexus LX, GX, RX, LS, GS, IS; Toyota LC200, LC Prado, Camry, RAV4, Venza, Corolla, Highlander; Subaru Impreza, Forester, Legacy, Outback,Tribeca.
Connection and overview
Plug TK‐Prog into USB socket and install standard USB‐to‐COM drivers. Launch the TKP software. First of all you have to select COM‐port number (can be checked in Windows device manager) and press “Connect” button. If everything is correct main menu entries become active.
EEPROM tool is general purpose programming tool for 93C46, 93C56, 93C66, 93C76, 93C86 microchips. It is usually used for backup and restore of EEPROM chip in Certification unit, but you could use it for any in‐circuit EEPROM programming task. Red wire on clip‐connector must be linked up with first pin on EEPROM chip.
All functions are standard: read,
write, erase and verify. Also you can see EEPROM content in HEX mode (no editing available here).
Dump tool is used for Smart ECU and ID Code Box memory editing for the purpose Master key registration and ECU reset. Master key allows to launch the engine, but remote door blocking function does not work. Car start is possible only if the smart‐key is no farther than one centimeter from the start button. Remote doors blocking can be activated by OBD programming tool as well as permanent smart‐key registration.
Dump Tool also allows to reset Smart ECU and ID Code Box: all key information will be erased and ECUs will behave like‐new. To perform this procedure, select ECU type in Dump tool main window. Load EEPROM dump from file or directly from ECU (red wire on clip‐connector must be linked up with first pin on EEPROM chip). If the dump is OK, you should see message “Data ~ correct…” Press “Reset Smart ECU” or “Reset ID Code ECU” (depends on initial ECU selection). Now you can save modified dump file and write it down to ECU (“Save” and “Write” buttons respectively).
Master key registering procedure
Open Dump Tool submenu and select ECU type from the list. Load Smart ECU dump from file (if you
have read it before) or directly from ECU EEPROM (you have to use clip‐connector). “Load” button for first case and “Read” for second. If the dump is correct, you should see message like on the picture below.
Now you should load Master key data from file (by pressing “Open” button) or from Smart‐key itself (“Read” button). Place the key on TK‐Prog top surface and press “Read Key Data” in next window.
As Smart‐key is read properly you will see its Type and ID. Press “Apply Key Data” and “Add Master Key” button in Dump Tool window becomes active. Press it and key information will be added into Smart ECU dump. Now you can save modified dump file and write it down to Smart ECU (“Save” and “Write” buttons respectively).
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