Description
CHOYOE • OBD2 Automotive Diagnostic Tool V310
The CHOYOE V310 is a compact, handheld OBD-II/EOBD code reader designed for vehicle owners and technicians who require quick access to engine diagnostics. It features a 2.8-inch backlit LCD display and works via the onboard OBD-II port, needing no batteries—powered directly by the vehicle (9-16 V). Its rugged casing supports operating temperatures between 0–60 °C and storage down to -20 °C, making it ideal for use in workshops or roadside situations. Users benefit from multilingual menus (six languages), enabling fast reading of fault codes, freeze-frame data, live sensor streams, and I/M readiness checks without a smartphone or PC.
Key benefits
- Plug-and-play handheld design requires no external power or software installs
- Reads and clears diagnostic trouble codes; turns off the check engine light (MIL)
- Views live engine data: RPM, coolant temperature, vehicle speed, system load
- Inspects emission system readiness and retrieve vehicle identification (VIN)
- Supports multiple display languages for broader usability
Supported protocols
- SAE J1850 PWM (41.6 kbaud)
- SAE J1850 VPW (10.4 kbaud)
- ISO 9141-2 (5-baud init, 10.4 kbaud)
- ISO 14230-4 KWP (5-baud init & fast init, 10.4 kbaud)
- ISO 15765-4 CAN (11-bit & 29-bit ID, 250/500 kbaud)
Supported functions
Depending on vehicle compatibility, the following functions are supported:
- Reads generic and manufacturer-specific diagnostic trouble codes (DTCs)
- Clears DTCs and turn off the MIL (“check engine light”)
- Views freeze-frame data snapshot at the time a fault occurred
- Retrieves I/M readiness status for emission components
- Displays vehicle information such as VINs where supported
- Monitors live data and display graphs for selected sensors
- Retrieves real-time data: vehicle speed, engine RPM, coolant temperature and load value
Included items
- 1 × OBD2 code reader V310
- 1 × user manual
Supported languages
English, German, Italian, Spanish, French, Dutch











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