Manuals+

KONNWEI KW310

KONNWEI KW310 OBD2 Car Diagnostic Scan Tool User Manual

Model: KW310

1. Introduction

The KONNWEI KW310 is a compact and easy-to-use OBD2/EOBD car diagnostic scanner designed to help you quickly identify and resolve issues with your vehicle. It supports all 10 OBDII test modes and is compatible with most 12V OBD II certified gasoline and diesel vehicles, both domestic and imported, manufactured from 1996 onwards. This tool is not compatible with hybrid or electric vehicles. The KW310 features a clear LCD display, intuitive button controls, and multi-language support to make vehicle diagnostics accessible to everyone.

2. Safety Precautions

Always observe the following safety precautions when using the KW310 diagnostic tool:

  • Never attempt to operate or connect the tool while driving.
  • Do not wear loose clothing or jewelry when working on a vehicle.
  • Ensure the vehicle is parked on a level surface, the parking brake is engaged, and the ignition is off before connecting or disconnecting the tool.
  • Keep the tool away from water, oil, and extreme temperatures.
  • Always refer to your vehicle's service manual for specific diagnostic procedures and safety information.
  • Use appropriate eye protection and gloves when working under the hood.

3. Package Contents and Device Overview

3.1 Package Contents

  • KONNWEI KW310 OBD2 Scanner Unit
  • User Manual

3.2 Device Overview

The KW310 features a robust design with an LCD screen for displaying information and a set of four control buttons for navigation. It includes an integrated OBDII cable with a 16-pin connector for direct connection to your vehicle.

KONNWEI KW310 front view showing screen and buttons
Front view of the KONNWEI KW310 diagnostic tool, displaying its screen and control buttons.
KW310 control buttons labeled
The four main control buttons: Scroll Up, Return (ESC), Enter, and Scroll Down.
Close-up of KW310 features: cable management, OBDII connector, and buttons
Detailed views of the KW310's non-slip side design, Velcro cable management, and the 16-pin OBDII connector.

4. Setup and Initial Configuration

4.1 Connecting the Device

  1. Locate the vehicle's 16-pin Data Link Connector (DLC). This is usually located under the dashboard on the driver's side.
  2. Ensure the vehicle's ignition is OFF.
  3. Firmly plug the KW310's OBDII connector into the vehicle's DLC.
  4. Turn the vehicle's ignition to the ON position (engine can be off or running, depending on the test). The KW310 will power on automatically.

4.2 Language Selection

The KW310 supports multiple languages. To change the language:

  1. From the main menu, navigate to 'System Setup' using the arrow buttons and press ENTER.
  2. Select 'Language' and press ENTER.
  3. Choose your desired language (English, French, German, Dutch, Spanish, Russian, Portuguese) from the list and press ENTER to confirm.
KW310 screen showing language selection menu
The KW310's screen displaying the available language options.

5. Operating Instructions

The KW310 provides a range of diagnostic functions to help you understand your vehicle's health. Navigate through menus using the UP/DOWN arrow buttons, confirm selections with ENTER, and return to the previous screen with ESC.

5.1 Key Diagnostic Functions

The KW310 offers the following 11 core functions:

KW310 showing a checklist of 11 product functions
Visual representation of the 11 key functions of the KW310.
  • Read Codes: Retrieves generic (P0, P2, P3, U0) and manufacturer-specific (P1, P3, U1) Diagnostic Trouble Codes (DTCs) and pending codes.
  • Erase Codes: Clears DTCs from the vehicle's computer and turns off the Check Engine Light (MIL). This also resets monitors.
  • Live Data: Displays real-time operating parameters of the vehicle's engine in text or graph mode (for 1996 and newer vehicles). This includes live PCM datastream and O2 sensor test data.
  • View Freeze Frame Data: Shows a snapshot of the vehicle's operating conditions at the time a fault code was set.
  • I/M Readiness Status: Checks the status of emission-related monitoring systems to determine if they are ready for an emissions test.
  • O2 Monitor Test: Retrieves and displays O2 sensor monitoring test results for the most recently completed tests from the vehicle's on-board computer.
  • On-Board Monitor Test: Retrieves and displays results for emission-related powertrain components and systems that are not continuously monitored.
  • Component Test: Allows initiation of a leak test for the vehicle's EVAP system.
  • Retrieve Vehicle Information (VIN, CIN, CVN): Displays the Vehicle Identification Number, Calibration ID, and Calibration Verification Number.
  • Modules Present: Identifies communication protocols and modules present in the vehicle.
  • Unit of Measure: Allows selection of measurement units (e.g., Metric or Imperial).
KW310 showing icons for diagnostic functions
Icons representing key diagnostic functions: DTC Lookup, Monitor Reset, Read & Clear, O2 Sensor Test, Live Datastream, Trouble Codes Library.

5.2 Clearing Fault Codes

To clear fault codes and turn off the Check Engine Light (MIL):

  1. Ensure the ignition is ON and the engine is OFF.
  2. Navigate to the 'Diagnostic Menu' and select 'Erase Codes'.
  3. Confirm your selection. The tool will clear the codes and reset the monitors.
  4. Verify that the Check Engine Light has turned off.
Dashboard showing Check Engine light before and after clearing codes
Illustration of the Check Engine light on a dashboard before and after fault codes are cleared.

5.3 Battery Voltage Monitoring

The KW310 also provides real-time monitoring of your vehicle's battery voltage, which can be accessed through the diagnostic menu.

6. Maintenance

6.1 Cleaning the Device

To keep your KW310 in good condition:

  • Clean the device with a soft, damp cloth. Do not use abrasive cleaners or solvents.
  • Ensure the screen and buttons are free from dust and debris.

6.2 Storage

When not in use, store the KW310 in a dry, cool place, away from direct sunlight and extreme temperatures. Use the integrated Velcro strap to keep the cable neatly bundled.

7. Troubleshooting

Here are solutions to common issues you might encounter:

Device does not power on:
Ensure the OBDII connector is securely plugged into the vehicle's DLC. Verify the vehicle's ignition is in the ON position. Check the vehicle's battery for sufficient charge.