Introduction
The JFIND JF700 is a professional OBDII scanner designed to diagnose engine system issues in OBDII compliant vehicles. It allows users to read and clear fault codes, view real-time data streams, perform I/M readiness tests, and conduct various other diagnostic functions to ensure efficient engine operation and travel safety.
Important Note: The JFIND JF700 only supports the Engine system and does not support ABS, SRS, or Airbag systems.


Safety & Warnings
Read all instructions before use. Failure to follow these instructions may result in damage to the product or personal injury.
- Keep the device and its cord out of reach of children under 3 years old.
- Keep away from children unless supervised by an adult.
- Do not use this product for purposes other than its intended use.
- Inspect the product before each use; do not use if damaged.
- Follow installation and operation guidelines to avoid injury.
- Do not expose to water or moisture.
- Handle with care to avoid cuts or injuries.
Setup
The JFIND JF700 scanner is powered directly from your vehicle's OBD2 diagnostic socket. No external charging is required.
- Locate your vehicle's OBD port. This is generally found under the dashboard on the driver's side. Some vehicles may require you to open a cover or gently pull it outward to access the port. Refer to your vehicle's service manual if you have difficulty locating it.
- Plug the OBDII connector of the JF700 scanner firmly into the vehicle's OBD port.
- The scanner will automatically power on and initiate.

Video: Initial Setup and Basic Operation
This video demonstrates how to plug in the JF700, navigate the main menu, use hotkeys for voltage testing and I/M status, check fault codes, and change language settings.
Operating Instructions
The JF700 scanner offers a range of diagnostic functions accessible through its intuitive menu and hotkeys.
Main Functions
The main menu provides access to the following diagnostic modes:
- Read Code: Retrieves Diagnostic Trouble Codes (DTCs) from the vehicle's computer.
- Erase Code: Clears DTCs and turns off the Check Engine Light (MIL).
- Live Data: Displays real-time operational parameters of the vehicle.
- Freeze Frame: Captures a snapshot of sensor data when a fault code is set.
- I/M Readiness: Checks the status of emission-related monitoring systems.
- O2 Sensor Test: Retrieves O2 sensor monitor test results.
- On-Board Monitor Test: Retrieves results for emission-related powertrain components and systems.
- EVAP System: Performs the Evaporative Emission Control System Leak Test.
- Vehicle Information: Displays vehicle identification number (VIN), calibration ID (CALID), and calibration verification number (CVN).
- Component Test: Allows for testing of specific components.
- DTC Lookup: Provides definitions for generic and manufacturer-specific diagnostic trouble codes.

Hotkeys for Quick Access
The JF700 features dedicated hotkeys for frequently used functions:
- I/M Key: Provides quick access to I/M Readiness Status.
- V Key: Initiates the Voltage Test waveform display.

OBD Voltage Detection
Use the OBD voltage function to check the voltage of each OBD pin. This can help in faster identification of vehicle faults by analyzing voltage levels on various communication lines.
Real-Time Data Viewing
The Live Data function allows you to view real-time car data and car condition data at a glance, helping to protect your travel safety by monitoring critical parameters.
Multi-Language Support
The JF700 supports a wide range of languages for user convenience, including:
- English
- Chinese
- Polish
- German
- Dutch
- Spanish
- French
- Italian
- Russian
- Portuguese
- Japanese
- Turkish
- Thai
- Malay
- Filipino
- Vietnamese

Supported Protocols
The JF700 is compatible with various OBDII protocols, ensuring broad vehicle coverage:
- ISO9141-2 (5 baud init, 10.4 Kbaud)
- SAE J1850 PWM (41.6 Kbaud)
- SAE J1850 VPW (10.4 Kbaud)
- ISO14230-4 KWP (5 baud init, 10.4 Kbaud)
- ISO14230-4 KWP (fast init, 10.4 Kbaud)
- ISO15765-4 CAN (11bit ID, 500 Kbaud)
- ISO15765-4 CAN (29bit ID, 500 Kbaud)
- ISO15765-4 CAN (11bit ID, 250 Kbaud)
- ISO15765-4 CAN (29bit ID, 250 Kbaud)

Intelligent Matching
The scanner features automatic scanning and connection, eliminating the need to manually select the vehicle brand or model, making it more convenient to use.
Maintenance
To ensure the longevity and proper functioning of your JFIND JF700 scanner, follow these maintenance guidelines:
- After each use, turn off the device and store it in a dry place.
- Keep the device away from children.
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- The scanner features a rugged ABS housing and a silicone anti-slip design for durability and comfortable handling.
- The pure copper core cable ensures faster and reliable data transmission.

Troubleshooting
The JFIND JF700 is designed to help you quickly identify and resolve engine-related issues. If you encounter problems with the scanner itself or during diagnosis, consider the following:
- No Power: Ensure the OBDII connector is securely plugged into the vehicle's OBD port. The device draws power directly from the vehicle.
- Communication Error: Verify that the vehicle is OBDII compliant and the ignition is on. Check the cable connection for any damage.
- Unreadable Codes: If codes are unreadable or the scanner displays an error, ensure the software is up to date (if applicable) and try reconnecting.
- Engine Fault Light Remains On: After clearing codes, if the Check Engine Light (MIL) remains on, it indicates that the underlying issue has not been resolved or a new fault has occurred. Further inspection of the vehicle is required.


Specifications
| Feature | Specification |
|---|---|
| Model Name | JFIND JF700 |
| Display Screen | 2.4-inch TFT color screen (320*240) |
| Operating Temperature | -20~60°C (4~140°F) |
| Storage Temperature | -20~70°C (-4~158°F) |
| External Power | 8V-30V DC (via OBDII port) |
| Main Unit Size | 139mm*75mm*33mm |
| Package Size | 130*170*35mm |
| Weight | 0.3kg |
| Certifications | CE, RoHS, FCC |
| Batteries Included | No (powered by vehicle) |
| Origin | Mainland China |

User Tips
- Always ensure your vehicle's ignition is in the 'ON' position (engine off or running, depending on the test) when connecting the scanner to establish communication.
- The JF700 is designed for engine system diagnostics. If you need to diagnose other systems like ABS, SRS, or Airbag, you will require a different type of diagnostic equipment.
- Since the device is powered directly by the car's OBD2 diagnostic socket, there's no need to worry about charging it. Just plug and use.
- Before performing any diagnostic or clearing fault codes, it's advisable to note down the existing codes for reference.
- For specific vehicle models or complex issues, always consult your vehicle's service manual in conjunction with the scanner's readings.
Warranty & Support
For detailed information regarding warranty, returns, and technical support, please refer to the official documentation provided with your product.
A digital copy of the user manual (PDF) is available for download: JFIND JF700 User Manual (PDF).
Manufacturer Information
Manufacturer: Shenzhen JFIND Technology Co., Ltd.
Address: B308, Guang hong meiju, No.163 Pinghu Road, Longgang District, Shenzhen, China
Email: eobd2tool@outlook.com
EU Authorized Representative
Representative: SUCCESS COURIER SL
Address: CALLE RIO TORMES NUM.1,PLANTA 1,DERECHA, OFICINA 3,Fuenlabrada, Madrid,28947, Spain
Email: successservice2@hotmail.com





