Introduction
Toyota Immo OFF Tool is a lightweight Java application for specialists who service Toyota immobilizer boxes. It loads an EEPROM dump, processes the data to prepare an immo-off or virgin file, and saves the result for writing back to the module.
Highlights
Package contents
Compatibility notes
Designed for Toyota immobilizer boxes that store keys in serial EEPROM. Functionality and results vary by ECU generation, EEPROM type and vehicle market. Use verified dumps and make full backups before writing. Availability of immo-off or virgin modes depends on the specific unit.
Basic usage
Operating systems
Minimum system requirements
CPU: dual-core • RAM: 2 GB • Storage: 200 MB free • Interface: external EEPROM/ECU programmer for read/write • Admin rights: may be required for Java installation.
Disclaimer
* Source of Files. All software and resources in this post are collected from public and open sources on the internet. We do not claim authorship or ownership.
* File Hosting. This forum does not host files. All links point to third party public cloud storage. We are not responsible for external content.
* User Responsibility. Software is provided for educational and evaluation purposes only. You use it at your own risk. Authors of the post and forum administration are not liable for any damage.
Toyota Immo OFF Tool is a lightweight Java application for specialists who service Toyota immobilizer boxes. It loads an EEPROM dump, processes the data to prepare an immo-off or virgin file, and saves the result for writing back to the module.
Highlights
- Simple three-step workflow: Load Dump → Process → Save Dump
- Works with typical Toyota IMMO box EEPROMs used across multiple models
- Includes example RAV4 dump for verification and training
- Portable Java build suitable for bench work and field laptops
- No online dependency once Java Runtime is installed
Package contents
- immobox-rav4-ori-virgin.bin
- ImmoOffTool.jar
- jre-8u341-windows-i586.exe
- jre-8u341-windows-x64.exe
- Must read TXT.txt
Compatibility notes
Designed for Toyota immobilizer boxes that store keys in serial EEPROM. Functionality and results vary by ECU generation, EEPROM type and vehicle market. Use verified dumps and make full backups before writing. Availability of immo-off or virgin modes depends on the specific unit.
Basic usage
- Install Java Runtime (included installers) if not already present
- Run ImmoOffTool.jar, click Load Dump, and select your EEPROM BIN
- Press Process to generate an adjusted file and review notes
- Click Save Dump and program it back with your EEPROM/ECU tool
- Test vehicle functions and store both original and processed files safely
Operating systems
- Windows with Java 8 Runtime (installers provided)
- macOS and Linux supported via Java 8 Runtime when launched from terminal
Minimum system requirements
CPU: dual-core • RAM: 2 GB • Storage: 200 MB free • Interface: external EEPROM/ECU programmer for read/write • Admin rights: may be required for Java installation.
Disclaimer
* Source of Files. All software and resources in this post are collected from public and open sources on the internet. We do not claim authorship or ownership.
* File Hosting. This forum does not host files. All links point to third party public cloud storage. We are not responsible for external content.
* User Responsibility. Software is provided for educational and evaluation purposes only. You use it at your own risk. Authors of the post and forum administration are not liable for any damage.
