KONNWEI KW310 Handheld OBD2 Engine Diagnostic Scanner with 2" Screen

The KONNWEI KW310 is a professional handheld OBD2/EOBD diagnostic scanner designed to quickly diagnose engine faults and monitor vehicle performance. Compatible with all 12V OBDII-certified petrol and diesel vehicles, the KW310 supports full OBDII diagnostics including reading and clearing fault codes, live data monitoring, freeze frame analysis, O2 sensor testing, EVAP diagnostics, and vehicle information retrieval. Featuring a clear 2.0-inch display, one-click I/M readiness testing, and multilingual support, this compact scanner is ideal for vehicle owners, mechanics, and automotive workshops.

Key Features

Comprehensive OBDII and EOBD Vehicle Diagnostics

The KONNWEI KW310 supports all 10 OBDII diagnostic modes, providing complete engine system diagnostics for compatible 12V petrol and diesel vehicles. It allows users to identify engine-related faults, monitor vehicle performance, and diagnose issues quickly and accurately without requiring expensive workshop equipment.

Quickly Reads and Clears Check Engine Fault Codes

Easily retrieves stored, pending, and permanent diagnostic trouble codes (DTCs) from the vehicle's onboard computer system. After repairs or maintenance, the scanner can clear fault codes and reset the check engine warning light (MIL), helping restore normal dashboard operation.

One-Click I/M Readiness Function for Fast Emissions Checks

Features a dedicated patented one-click I/M readiness button that instantly checks emissions system readiness status. This function is especially useful before vehicle inspections or emissions testing, helping users determine whether the vehicle is prepared for compliance testing.

Real-Time Live Data Stream Monitoring

Displays live PCM data streams in real time, allowing users to monitor important engine and sensor information such as RPM, coolant temperature, fuel system status, airflow readings, throttle position, and more. Live diagnostics assist in identifying performance problems and intermittent faults.

Freeze Frame Data and Data Playback Support

Records and stores freeze frame data captured when a fault occurs, helping users analyze vehicle conditions at the exact moment the error code was triggered. Stored data can also be reviewed and replayed later for easier troubleshooting and maintenance tracking.

O2 Sensor and EVAP System Diagnostics

Supports oxygen sensor testing and EVAP system monitoring to help evaluate fuel efficiency, emissions performance, and evaporative system operation. These advanced diagnostic features help identify emission-related issues before they become serious problems.

Vehicle Information Retrieval Including VIN and CVN

Quickly retrieves important vehicle identification data including VIN (Vehicle Identification Number), CIN, and CVN information directly from the vehicle's ECU. This helps simplify vehicle identification during diagnostics and servicing.

Compatible with Most 12V Petrol and Diesel Vehicles

Works with most domestic and imported 12V OBDII-certified gasoline and diesel vehicles. The scanner is suitable for many passenger cars, SUVs, and light commercial vehicles. Hybrid and electric vehicles are not supported.

Bright Backlit Display with Built-In Speaker

Features a clear 2.0-inch backlit display for improved readability in both daylight and low-light workshop conditions. The integrated speaker provides audible feedback and enhances user interaction during diagnostics.

Multi-Language Interface with Built-In DTC Library

Supports 7 operating languages including English, French, German, Dutch, Spanish, Russian, and Portuguese. The built-in trouble code library provides quick access to DTC definitions, helping users understand fault codes without additional reference materials.

What's in the box
1 x KONNWEI KW310 OBD2 Scanner
1 x OBDII Connection Cable
1 x User Manual