1. Introduction and Overview
The KEYDIY KD-X4 is a professional locksmith device designed for comprehensive key and remote control solutions. It integrates a wide array of functions including recognition, generation, copying, programming, and matching of vehicle keys and remote controls. This versatile tool can operate independently or connect to tablets, mobile phones, and PC software, offering flexible operation modes to suit various user preferences.
The KD-X4 is an upgrade to previous models like the KDX2 and KDMAX, featuring enhanced capabilities and a user-friendly interface. It is engineered for simple operation, stable performance, and extensive coverage of car models, making it an indispensable tool for locksmith professionals.

2. Продукциянын өзгөчөлүктөрү
The KD-X4 offers a robust set of features to address various locksmithing needs:
- Remote Generation: Supports the generation of over 5600 remote control programs.
- Алыстан көчүрүү: Capable of copying remote controls for more than 50 car models.
- Key Simulation: Includes functions for remote control simulation and smart key simulation.
- Жыштыктарды аныктоо: Supports detection of frequencies including 315MHz, 433MHz, 467MHz, 868MHz, 902MHz, and 2.4GHz.
- Anti-theft Chip Recognition: Recognizes a wide range of chips including MLB, 5C, 46, 47, 48, MOB48, 4D, 4C, 8A, 6A, 4A, 8E, 8C, 13, 11, 12, 7935X, 49, and 33/40-44 AUDI5 ID card IC card.
- Specialized Chip Generation: Supports generation of specialized chips such as Toyota G, NB multifunctional specialized, 30/40-44, 48, 4D/4C, Toyota 8A/H, and 46 specialized chips.
- Chip Acquisition: Supports data acquisition via device antenna, external acquisition antenna, and built-in acquisition enhancer, including 46, BYD all key lost, 48, and OBD 48 chip data.
- Ачкычты ачуу: Supports unlocking for 36 different brands of keys.
- Батарея Voltage Detection: Detects 3V remote key battery voltage.
- Key Leakage Detection: Detects 3V remote control key leakage.
- Second-hand Remote Programming without Unlocking: Supports unlock-free programming for Toyota/Lexus 8A-AA, BA, and 4A type used keys.
- IMMO программалоо: Supports IMMO programming for 51 brands, with continuous updates for more models.
- Programmer Function: Includes programmer capabilities for reading Volkswagen MQB dashboard, Audi dashboard, and EEPROM data.
Advantage Өзгөчөлүктөрү:
- Industry debut UWB (Bluetooth) key detection.
- Industry exclusive Toyota used key unlock free programming.
- First to release MLB chip detection function.
- CANFD integration, requiring no other accessories.
- 24V Chinese heavy-duty truck model programming.
- Built-in programmer function, supporting 5A mileage function.
- One-second startup, significantly improving locksmith's work efficiency.
- Supports 19 languages including Arabic, Korean, German, Spanish, English, Chinese, etc.
- One wire harness can cancel Ford alarm and program the Toyota 8A blade key all lost situation (requires separate purchase of the harness).


3. Пакеттин мазмуну жана орнотуу
The KD-X4 package includes the main device and a set of essential cables and adapters for various operations. Please verify all items are present upon unboxing.


Пакеттин мазмуну:
- 1x KD-X4 Device
- 1x OBD Main Cable
- 1x USB кабели
- 1x Toyota Adapter Cable
- 1x Programmer Adapter Board
- 1x Programmer Wiring Cable
- 1x Remote Control Burning Cable
- 1x Key Unlocking Cable
- 1x External Acquisition Antenna
Баштапкы орнотуу:
Before first use, ensure the device is fully charged using the provided USB cable and a compatible charger. Connect any necessary cables (e.g., OBD Main Cable for vehicle connection, USB for PC connection) according to the specific operation you intend to perform.
4. Device Layout and Operating Functions
Familiarize yourself with the KD-X4's physical layout and the functions of its buttons and interfaces for efficient operation.


Button and Interface Functions:
- Кубат баскычы: Аппаратты күйгүзүү жана өчүрүү үчүн колдонулат.
- Chip Recognition Button: Detects and identifies various transponder chips. A long press may activate additional functions.
- Remote Copy Button: Initiates the remote control copying process and allows for function switching within this mode.
- Frequency Detection Button: Measures the frequency of remote controls, supporting up to 1GHz, with options for mode selection.
- Key Induction Coil & IMMO Chip Placement Hole: Area for placing car keys or IMMO chips for identification and copying.
- Frequency Detection Area: Designated spot for detecting the frequency of key remote controls.
- Кубаттуулук көрсөткүчү: Displays the device's charging status and operational state.
- USB интерфейси: Connects the device for charging and wired data transfer.
- Programmer Interface: Used for advanced programming tasks, such as reading data from Volkswagen MQB dashboards, Audi dashboards, and EEPROM.
- Wired Programming Interface: Supports KD wired remote generation and battery voltage аныктоо.
- Collecting Antenna: Captures ignition and chip data for analysis and programming.
- External Acquisition Antenna Interface: Allows connection of an external antenna for enhanced data collection and simulation capabilities.
- Toyota Adapter Cable Interface: Specifically used for operations involving Toyota and Lexus smart keys.
- OBD Main Cable Interface: Connects the KD-X4 to a vehicle's OBD port for programming via the Mobile KD App.
5. Техникалык шарттар
| Өзгөчөлүк | Деталь |
|---|---|
| Продукт Салмагы | 1500г |
| Пакет Салмагы | 1.6 кг |
| Пакеттин өлчөмдөрү (L x W x Y) | 35 см х 25 см х 25 см |
| Материал | Металл |
| R/C функциясы | менен |
| Ыңгайлаштыруу | Жок |
| Жогорку коркунучтуу химиялык | Жок |
| Origin | Материк Кытай |
| Supported Chip Types | T5, 4D, 4C, 8A, 46, 47, 48, 49, 4A, MLB, 5C, MOB48, 6A, 8E, 8C, 13, 11, 12, 7935X, 33/40-44 AUDI5 ID card IC card |
| Колдоого алынган жыштыктар | 315M, 433M, 467M, 868M, 902M, 2.4G |
| Колдоого алынган тилдер | Arabic, Korean, German, Spanish, English, Chinese, and 19 others |
6. Колдонуучунун кеңештери
- Activation for Advanced Functions: For certain advanced functions, such as cloning ID48 chips, ensure your KD-X4 device is properly activated and updated to the latest firmware. Refer to the official KEYDIY website or app for activation procedures.
- Программалык камсыздоо жаңыртуулары: Regularly check for and install software updates to ensure compatibility with the latest vehicle models and to access new features and improvements.
- Мобилдик колдонмо интеграциясы: Utilize the Mobile KD App for programming via the OBD Main Cable interface, which can streamline many operations.
7. Кыйынчылыктарды
If you encounter issues with your KD-X4 device, consider the following general troubleshooting steps:
- Түзмөк күйбөй жатат: Ensure the device is fully charged. Connect it to a power source using the USB cable and check the Power Indicator Light.
- Туташуу маселелери: Verify all cables (USB, OBD, adapter cables) are securely connected to both the KD-X4 and the target vehicle or component.
- Функция иштебей жатат:
- Check if the device's firmware is up to date.
- Ensure you are using the correct cable and adapter for the specific function.
- Confirm the target chip or remote is placed correctly in the induction coil or detection area.
- For vehicle-specific functions, ensure the vehicle's ignition is in the correct position (e.g., ON, ACC).
- Software/App Problems: If using the mobile app or PC software, ensure they are the latest versions. Restart the app/software and the KD-X4 device.
- Unresponsive Buttons/Screen: Түзмөктү өчүрүп-күйгүзүп көрүңүз. Эгерде көйгөй чечилбесе, техникалык колдоо кызматына кайрылыңыз.
8. Техникалык тейлөө
To ensure the longevity and optimal performance of your KD-X4 device, follow these maintenance guidelines:
- Элементтерден коргоо: Avoid exposing the device to water, excessive dust, or direct impacts.
- Сактоо шарттары: Do not store or use the device in environments with extreme temperatures or high humidity.
- Заряддоо: Always use the provided USB cable and a compatible charger with the correct specifications to prevent damage to the device's battery and internal components.
- Уруксатсыз өзгөртүүлөр: Never attempt to disassemble or modify the device without authorization. This can void the warranty and cause irreparable damage.
- Тазалоо: Use a soft, dry cloth to clean the device's exterior. Avoid using harsh chemicals or abrasive materials.
9. Кепилдик жана колдоо
Кепилдик маалыматы:
The KD-X4 device is covered by a one-year warranty, effective from the date of activation. If a malfunction occurs within this warranty period and is confirmed to be a manufacturing defect, the device is eligible for free repairs or component replacement.
Кепилдик алып салуулар:
The warranty does not cover damages or issues arising from the following circumstances:
- Damage caused by improper use or external accidents.
- Device modifications or unauthorized repairs.
- Failure to adhere to the usage precautions outlined in this manual.
- Damage resulting from collisions, falls, or the use of incorrect voltage.
- Normal wear and tear of the outer casing and cosmetic components.
Техникалык колдоо:
For technical assistance, troubleshooting beyond these guidelines, or warranty claims, please contact your authorized KEYDIY dealer or the official KEYDIY support channels. Ensure you have your device's serial number and proof of purchase available when seeking support.





