1. ບົດແນະນຳ
This manual provides detailed instructions for the operation and maintenance of the LAUNCH X431 CRP919E Elite OBD2 Scanner. This professional diagnostic tool is designed to assist in vehicle diagnosis, maintenance, and repair tasks, offering comprehensive system coverage and advanced functionalities.
Please read this manual thoroughly before operating the device to ensure correct usage and to maximize its capabilities.
2. ຜະລິດຕະພັນເກີນview
The LAUNCH X431 CRP919E Elite is a state-of-the-art diagnostic scanner featuring a 7-inch touchscreen, running on Android 10.0. It is equipped with a 6100mAh battery and offers 3GB of RAM and 32GB of internal storage, providing a smooth and efficient user experience. Key features include:
- ການວິນິດໄສລະບົບເຕັມ
- Bidirectional Control / Active Test
- Over 35 Service Functions
- ລະຫັດ ECU
- Support for CANFD & DOIP Protocols
- FCA Autoauth Functionality
- TPMS & BST360 Support
- 2-Year Free Software Updates

Image: The LAUNCH X431 CRP919E Elite scanner, showcasing its robust design and user interface.
3. ຄູ່ມືການຕິດຕັ້ງ
3.1. ການເປີດອຸປະກອນ
Carefully unpack the contents of the package. Ensure all items are present:
- LAUNCH X431 CRP919E Elite Diagnostic Tool
- OBDII Diagnostic Cable
- Power Adapter
- ຄູ່ມືຜູ້ໃຊ້ (ເອກະສານນີ້)
3.2. ການເປີດເຄື່ອງເບື້ອງຕົ້ນ ແລະການຕັ້ງຄ່າ
- ກົດປຸ່ມເປີດປິດທີ່ຕັ້ງຢູ່ໃນອຸປະກອນຄ້າງໄວ້ເພື່ອເປີດມັນ.
- Follow the on-screen prompts to select your preferred language and time zone.
- Connect the device to a Wi-Fi network for internet access, which is required for registration and software updates.
3.3. ການລົງທະບຽນອຸປະກອນ ແລະ ການອັບເດດຊອບແວ
After connecting to Wi-Fi, register your device using the provided instructions on the screen. It is crucial to perform a software update immediately after registration to ensure you have the latest features and vehicle coverage.
3.4. ການເຊື່ອມຕໍ່ກັບຍານພາຫະນະ
- Locate the vehicle's OBDII diagnostic port, typically under the dashboard on the driver's side.
- Ensure the vehicle's ignition is in the 'ON' position (engine off or running, depending on the diagnostic task).
- Connect the OBDII diagnostic cable to the vehicle's OBDII port and then to the CRP919E Elite scanner.

ຮູບພາບ: ຕ່າງໆ views of the CRP919E Elite device, highlighting connection ports.
4. ຄໍາແນະນໍາການດໍາເນີນງານ
4.1. All System Diagnosis
The CRP919E Elite can access and diagnose all available electronic control modules in a vehicle. This includes reading and clearing Diagnostic Trouble Codes (DTCs), viewing live data streams, checking freeze frame data, and retrieving ECU information.
- ຈາກເມນູຫຼັກ, ເລືອກ 'ກວດຫາພະຍາດ'.
- Choose the vehicle make and model, then select 'System Scan' or 'Auto VIN' for automatic identification.
- The scanner will communicate with all accessible systems (e.g., Engine, ABS, SRS, Transmission, TPMS, etc.) and display their status.

ຮູບພາບ: ຫຼາຍກວ່າview of the All System Diagnosis feature, illustrating the comprehensive coverage of vehicle modules.
4.2. Bidirectional Control / Active Test
This function allows the diagnostic tool to send commands to the vehicle's ECUs to perform specific tests and functions. This is useful for verifying the functionality of components without using the vehicle's controls.
- Examples include: EVAP Vent/Purge Solenoid Test, Fuel Injector Test, Cycling A/C Clutch, ABS Motor Pump activation, Cooling Fan Test, Window/Light/Door Lock Actuators, Headlamp Test, Sunroof operation, and turning on the horn.
- To access, navigate to the 'Active Test' section within the diagnostic menu for a specific system.

Image: Bidirectional Control in action, demonstrating the ability to command various vehicle components.
4.3. Service Functions (35+)
The CRP919E Elite offers over 35 commonly used maintenance and reset functions, enabling users to perform various service tasks typically requiring dealership tools.
- Common functions include: Oil Reset, Electronic Parking Brake (EPB) Reset, Steering Angle Sensor (SAS) Reset, Battery Management System (BMS) Reset, ABS Bleeding, Tire Pressure Monitoring System (TPMS) Reset, Diesel Particulate Filter (DPF) Regeneration, Injector Coding, Throttle Adaptation, Gearbox Reset, Sunroof Reset, Suspension Reset, AFS (Adaptive Frontlighting System) Reset, EGR (Exhaust Gas Recirculation) Adaptation, and more.
- Select 'Reset' from the main menu to access the list of available service functions.

Image: A visual representation of the extensive range of service functions available on the device.
4.4. ການເຂົ້າລະຫັດ ECU
ECU Coding allows for personalized settings, refreshing hidden functions, component matching, and recoding adaptive data. This function can be used to customize vehicle behavior or resolve ECU-related issues.
- ຫນ້າທີ່ປະກອບມີ: Offline Coding, Refresh Hidden Functions, Personalization (Modification), Matching, Recode Adaptive Data, and Fixing ECU-related Issues.
- Note that this is not online coding and its availability and specific functions vary significantly by vehicle make and model.

Image: ECU Coding interface, demonstrating the ability to modify and adapt vehicle electronic control units.
4.5. CANFD & DOIP Protocols
The CRP919E Elite supports advanced diagnostic protocols, CANFD (CAN with Flexible Data-Rate) and DOIP (Diagnostics over Internet Protocol), which are essential for diagnosing newer vehicle models.
- CANFD: Compatible with GM vehicles (2020 and later), Volvo (after 2018), Land Rover/Jaguar (after 2017).
- DOIP: Compatible with BMW (F&G chassis), Volvo models (2018 later), Land Rover/Jaguar models (2017 later).
4.6. FCA Autoauth
For 2017 and later FCA (Fiat, Chrysler, Jeep, Dodge) vehicles, the CRP919E Elite supports FCA Autoauth, allowing secure access to diagnostic functions on these protected vehicles.
4.7. ການປັບປຸງຊອບແວ
Regular software updates are crucial for maintaining optimal performance, expanding vehicle coverage, and adding new features. The device offers 2 years of free updates.
- ເຊື່ອມຕໍ່ອຸປະກອນກັບເຄືອຂ່າຍ Wi-Fi ທີ່ໝັ້ນຄົງ.
- From the main menu, select 'Upgrade' or 'Update'.
- ປະຕິບັດຕາມຄໍາແນະນໍາໃນໜ້າຈໍເພື່ອດາວໂຫຼດ ແລະ ຕິດຕັ້ງການອັບເດດທີ່ມີຢູ່.
4.8. Wide Vehicle Coverage & Multi-Language Support
The CRP919E Elite supports over 150 vehicle brands and 10,000+ car models manufactured between 1996 and 2024. It also supports 11 languages for global usability.
- ພາສາທີ່ຮອງຮັບ: English, Spanish, French, German, Italian, Portuguese, Polish, Russian, Japanese, Chinese, Korean.

Image: Global vehicle coverage and multi-language support details.
5. ບໍາລຸງຮັກສາ
5.1. ທຳ ຄວາມສະອາດອຸປະກອນ
ໃຊ້ອ່ອນ, ງamp cloth to clean the device's screen and exterior. Avoid using abrasive cleaners or solvents that could damage the screen or casing.
5.2. ການເກັບຮັກສາ
Store the device in its protective case in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the device is turned off before storage.
5.3. ການດູແລຫມໍ້ໄຟ
To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods. Do not expose the device to temperatures above 60°C (140°F).
5.4. Software Maintenance
Regularly check for and install software updates to ensure optimal performance and access to the latest vehicle data and functions.
6. ການແກ້ໄຂບັນຫາ
This section addresses common issues you might encounter with the CRP919E Elite scanner.
- ອຸປະກອນບໍ່ເປີດ: Ensure the battery is charged. Connect the power adapter and try again. If the issue persists, contact technical support.
- ບໍ່ມີການສື່ສານກັບຍານພາຫະນະ: Verify the OBDII cable is securely connected to both the scanner and the vehicle's OBDII port. Ensure the vehicle's ignition is on. Check if the vehicle model is supported.
- Software freezing or slow response: Restart the device. Ensure sufficient storage space is available. Check for and install any pending software updates.
- Diagnostic function not working: Confirm the vehicle supports the specific function. Ensure the software is up-to-date. Some advanced functions may require specific vehicle conditions or procedures.
- ບັນຫາການເຊື່ອມຕໍ່ Wi-Fi: Verify your Wi-Fi network is active and the password is correct. Try connecting to a different Wi-Fi network if available.
7. ຂໍ້ມູນຈໍາເພາະ
Technical specifications for the LAUNCH X431 CRP919E Elite OBD2 Scanner:
| ຄຸນສົມບັດ | ຂໍ້ມູນຈໍາເພາະ |
|---|---|
| ລະບົບປະຕິບັດການ | Android 10.0 |
| ຈໍສະແດງຜົນ | 7-inch Touchscreen (1024*600 pixels) |
| ແບັດເຕີຣີ | 6100mAh Lithium Ion |
| ໜ່ວຍຄວາມຈຳ (RAM) | 3GB |
| ບ່ອນຈັດເກັບຂໍ້ມູນ (ROM) | 32GB |
| ການເຊື່ອມຕໍ່ | Wi-Fi (2.4 & 5GHz) |
| ການປ້ອນຂໍ້ມູນ Voltage | 9-18V |
| ຂະໜາດ | 251.4 x 150.6 x 40.4 ມມ |

Image: Key technical specifications and supported languages of the CRP919E Elite.
8. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
The LAUNCH X431 CRP919E Elite OBD2 Scanner comes with comprehensive warranty and support services.
- ການຮັບປະກັນ: The product is covered by a 5-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
- ສະຫນັບສະຫນູນດ້ານວິຊາການ: LAUNCH provides 24/7/365 technical support to assist with any operational or technical queries. True remote support is also available for certain issues.
For support, please refer to the contact information provided with your product packaging or visit the official LAUNCH webເວັບໄຊ.





