1. Муқаддима
The LAUNCH CR319 is a handheld On-Board Diagnostics II (OBD2) code reader designed to assist in diagnosing vehicle engine issues. It provides access to various diagnostic functions to help users identify and clear trouble codes, monitor vehicle performance data, and check emission readiness status. This manual provides detailed instructions for the proper use and maintenance of your CR319 device.
2. Маҳсулот ба охир расидview
2.1 Хусусиятҳои асосӣ
- Функсияҳои пурраи OBD2: Supports all 10 OBD2 test modes.
- Китобхонаи ҷустуҷӯи DTC: Built-in database with over 3000 code definitions.
- Дастгирии бисёрзабона: Available in English, Portuguese, Russian, Italian, Spanish, French, and German.
- Plug and Play: No batteries or charger required; powered directly from the vehicle's OBD2 port.
- Тарҳрезии компакт: Кор кардан ва нигоҳдорӣ осон.
2.2 Қисмҳои дастгоҳ

The image above illustrates the main components of the LAUNCH CR319 OBD2 Scanner. Key parts include the Diagnostic Cable (1) for connecting to the vehicle, the LCD Screen (2) for displaying information, Selection Buttons (3) for navigation, the Down Button (4), the OK Button (5) for confirmation, the ESC Button (6) to return to the previous screen, and the Plug-and-Play Interface (7) which is the OBD2 connector.
3. Танзимот
- Порти OBD2-ро ҷойгир кунед: The OBD2 port is typically located under the dashboard on the driver's side of the vehicle. Refer to your vehicle's owner's manual if you cannot locate it.
- Сканерро пайваст кунед: Plug the CR319's diagnostic cable connector firmly into the vehicle's OBD2 port. The device will power on automatically.
- Мошинро оғоз кунед: Turn the vehicle's ignition to the 'ON' position (engine off) or start the engine, depending on the diagnostic function you intend to perform.
4. Дастурҳои истифодабарӣ
After connecting the CR319 to your vehicle, the main menu will appear. Use the Up/Down selection buttons to navigate through the options and the OK button to confirm a selection. The ESC button returns to the previous screen.
4.1 Рамзҳоро хонед

This function retrieves Diagnostic Trouble Codes (DTCs) from the vehicle's computer. These codes indicate specific issues detected by the vehicle's self-diagnostic system.
- Аз менюи асосӣ, интихоб кунед 'Diagnose'.
- Интихоб кунед 'Read Codes'.
- The scanner will display any stored, pending, or permanent codes along with their descriptions.
4.2 Рамзҳоро тоза кунед
This function erases DTCs from the vehicle's computer and turns off the Check Engine Light (MIL). Ensure any underlying issues are resolved before clearing codes, as they may reappear.
- Аз менюи асосӣ, интихоб кунед 'Diagnose'.
- Интихоб кунед 'Erase Codes'.
- Confirm the action when prompted. The Check Engine Light should turn off.
4.3 Омодагии ман / м
This function checks the status of the vehicle's emission-related monitoring systems to determine if they are ready for an emissions test.
- Аз менюи асосӣ, интихоб кунед 'Diagnose'.
- Интихоб кунед 'I/M Readiness'.
- The screen will display the status of various monitors (e.g., Misfire Monitor, Fuel System Monitor). 'OK' or 'Complete' indicates the monitor has run and passed; 'INC' or 'Incomplete' means the monitor has not yet run or completed its diagnostic cycle.
4.4 Data Stream (Live Data)

This function displays real-time operational data from the vehicle's engine control unit (ECU). This data can include engine RPM, vehicle speed, oxygen sensor readings, coolant temperature, and more.
- Аз менюи асосӣ, интихоб кунед 'Diagnose'.
- Интихоб кунед 'Data Stream'.
- Use the Up/Down buttons to scroll through the various data parameters.
4.5 Чаҳорчӯбаи яхкунӣ
When an emission-related fault occurs, the vehicle's computer records a snapshot of operating conditions at the time of the fault. This data is called Freeze Frame data.
- Аз менюи асосӣ, интихоб кунед 'Diagnose'.
- Интихоб кунед 'Freeze Frame'.
- Review the recorded parameters to understand the conditions under which the fault occurred.
4.6 Ҷустуҷӯи DTC

This feature allows you to manually enter a Diagnostic Trouble Code and view its definition from the scanner's internal database.
- Аз менюи асосӣ, интихоб кунед 'DTC Lookup'.
- Use the navigation buttons to input the desired DTC.
- пахш кунед 'OK' ба view the code definition.
4.7 Other OBD2 Functions
The CR319 also supports the following OBD2 functions, accessible through the 'Diagnose' menu:
- Санҷиши сенсори O2: Натиҷаҳои санҷиши монитори сенсори оксигенро барои санҷишҳои охирини анҷомёфта мегирад.
- Санҷиши системаи EVAP (Ҳолати 8): Озмоиши системаи назорати партобҳои бухоршавандаро оғоз мекунад.
- Санҷиши монитори дарунсохт (Ҳолати 6): Натиҷаҳои санҷишро барои ҷузъҳо ва системаҳои агрегати интиқоли марбут ба партовҳо, ки пайваста назорат намешаванд, ба даст меорад.
- Маълумот дар бораи мошин: Displays the vehicle identification number (VIN), calibration ID (CALID), and calibration verification number (CVN).
5. Мутобиқат

The LAUNCH CR319 OBD2 Scanner is compatible with most American, European, and Asian vehicles manufactured from 1996 and newer that are OBDII-compliant. It supports all standard OBDII protocols, including KWP2000, ISO9141, J1850 VPW, J1850 PWM, and CAN (Controller Area Network).
5.1 Supported Vehicles
- 12V Gasoline cars.
- Vehicles compliant with OBDII standards (1996 US-based, 2000 EU-based, and newer Asian cars).
5.2 Not Supported Vehicles
- Diesel cars.
- 24V Heavy duty vehicles.
- Hybrid vehicles.
- Electric vehicles.
6. Мушаххасоти
| Хусусият | Мушаххасоти |
|---|---|
| Модели | CR319 |
| Намоиш | LCD ранги |
| Ҷилди амалиётӣtage | 9-18V (via OBD2 port) |
| Протоколҳои дастгирӣшаванда | KWP2000, ISO9141, J1850 VPW, J1850 PWM, МЕТАВОНАД |
| Андозаҳо (L x W x H) | 1.5 x 6 x 10.8 инч |
| Вазн | 7.4 унция |
| Ҳарорати корӣ | 0°C то 50°C (32°F то 122°F) |
| Ҳарорати нигоҳдорӣ | -20°C то 70°C (-4°F то 158°F) |
| Забонҳои дастгирӣ | English, Portuguese, Russian, Italian, Spanish, French, German |
7. Баррасии мушкилот
7.1 Дастгоҳ фаъол нест
- Ensure the diagnostic cable is securely connected to the vehicle's OBD2 port.
- Verify the vehicle's ignition is in the 'ON' position or the engine is running.
- Check the vehicle's fuse for the OBD2 port (consult your vehicle's owner's manual).
7.2 Communication Error with Vehicle
- Confirm the vehicle is OBDII-compliant (generally 1996 and newer for gasoline vehicles).
- Ensure the diagnostic cable is properly connected.
- Turn off the ignition, wait 10 seconds, then turn it back to 'ON' and try again.
- If possible, test the scanner on another compatible vehicle to rule out a device malfunction.
7.3 Codes Cannot Be Cleared
- Боварӣ ҳосил кунед, ки оташгирии воситаи нақлиёт дар ҳолати "ON" (муҳаррик хомӯш) аст.
- If the underlying fault that triggered the code is still present, the code may not clear or will reappear immediately. Address the vehicle's issue first.
8. Нигоҳдорӣ
- Тозакунӣ: Барои тоза кардани дастгоҳ аз матои мулоим ва хушк истифода баред. Аз тозакунандаҳо ё ҳалкунандаҳои абразивӣ худдорӣ намоед.
- Нигоҳдорӣ: Сканерро дар муҳити тоза ва хушк, дур аз ҳарорати аз ҳад зиёд ва нури бевоситаи офтоб нигоҳ доред.
- Нигоҳубини кабел: Do not pull the cable forcefully or bend it sharply. Inspect the cable for damage before each use.
9. Кафолат ва дастгирӣ
For warranty information, technical support, or service inquiries, please contact LAUNCH customer support. Refer to the product packaging or the official LAUNCH webсайт барои тафсилоти охирини тамос.





