1. Introduction
The KONNWEI MAXOBD KW906 is a powerful Bluetooth 5.2 OBD2 diagnostic tool designed to transform your smartphone (Android and iOS) into a professional vehicle diagnostic device. It supports full system scanning, live data streaming, and offers a user-friendly application for comprehensive vehicle monitoring and troubleshooting.
2. Product Overview
The MAXOBD KW906 offers a range of powerful functions to help you understand and maintain your vehicle's health. It features a smart chip for fast connection via Bluetooth 5.2 and a user-friendly app interface.
3. Specifications
| Feature | Description |
|---|---|
| Brand Name | KONNWEI |
| Model | KW906 (MAXOBD) |
| Communication Interface | OBD-II |
| Bluetooth Version | 5.2 |
| Electronic | No |
| Batteries Included | No |
| External Testing Certification | CE |
| Origin | Mainland China |
| Product Dimensions (L x W x H) | 7.5 cm x 5 cm x 2 cm (2.95 in x 1.97 in x 0.787 in) |
| Supported Protocols | All OBD2 protocols (CAN, ISO, KWP, etc.) |
| Supported Languages | Chinese, English, German, Polish, Russian, Italian, French, Spanish |
| Supported Vehicles | Most 12V cars, SUVs, and light trucks manufactured after 1996 (120+ manufacturers, 13,596+ models from 1996-2022) |
4. Setup Guide
Follow these simple steps to set up your KONNWEI MAXOBD KW906 diagnostic tool:
- Download the MAXOBD App: Search for "MAXOBD" on the Apple App Store (for iOS devices) or Google Play Store (for Android devices) and install the application.
- Connect to Car OBDII Port: Locate your vehicle's OBDII port (usually under the dashboard on the driver's side) and firmly plug in the MAXOBD KW906 tool.
- Connect via Bluetooth in App: Open the MAXOBD app on your smartphone. The app will guide you to connect to the device via Bluetooth. Ensure your phone's Bluetooth is enabled.
5. Operating Instructions
Once connected, the MAXOBD app provides an intuitive interface for various diagnostic functions:
5.1 Full System Scanning
The tool supports a comprehensive full system scan, allowing you to access and diagnose issues across all major vehicle systems. This includes reading and clearing Diagnostic Trouble Codes (DTCs), viewing live data, and accessing control module information.
5.2 OBD2 Test Modes
The MAXOBD KW906 supports all 10 OBD2 test modes for vehicles manufactured after 1996. These modes include:
- Read Codes: Retrieve generic (P0, P2, P3, U0) and manufacturer specific (P1, P3, U1) codes.
- Clear Codes: Clear Diagnostic Trouble Codes (DTCs) and turn off the Malfunction Indicator Lamp (MIL).
- DTC Lookup: Provides detailed descriptions of DTCs.
- Live Data Stream: View real-time operational parameters of the engine and other systems.
- VIN Information: Retrieve Vehicle Identification Number (VIN), Calibration ID (CID), and Calibration Verification Number (CVN).
- I/M Readiness: Check the readiness status of emission-related monitors.
- Freeze Frame: View a snapshot of sensor data when a DTC was set.
- On-Board Monitor Test (Mode 6): Access results of on-board diagnostic monitoring tests for specific components/systems.
- EVAP Test (Mode 8): Perform a test of the Evaporative Emission Control System.
- O2 Sensor Test: Retrieve O2 sensor monitor test results.
5.3 Battery Monitor
The built-in battery voltage tester allows you to monitor your car's electrical health:
- Monitor real-time voltage (for 12V systems) to prevent sudden breakdowns.
- Detect weak batteries by identifying low voltage or charging issues.
- Test alternator performance to ensure proper battery charging.
5.4 Deep Security Scan & Health Report
The tool performs a deep security scan and automatically generates a full system vehicle health report after diagnosis. This report can be easily shared for review.
6. Diagnostic Functions and Supported Systems
The KONNWEI MAXOBD KW906 supports in-depth diagnostics across a wide range of automotive systems:
6.1 Powertrain Systems
- Engine Control Unit (ECU)
- Transmission Systems (Automatic/Manual/DCT)
- Drivetrain Components (Transfer Case, Differential)
- Fuel Injection System
- Turbocharger/Supercharger
- Exhaust System (Catalytic Converter, DPF)
6.2 Chassis & Suspension
- ABS Braking System
- Electronic Stability Control (ESC)
- Power Steering (EPS/Hydraulic)
- Suspension Components (Shock Absorbers, Control Arms)
- Wheel Alignment Systems
6.3 Electrical & Electronics
- Battery Management System (BMS)
- Alternator & Charging System
- Starter Motor Circuit
- Vehicle Lighting Systems (LED/HID)
- Wiring Harness & Fuse Boxes
6.4 Electronic Control Modules
- Engine Control Module (ECM)
- Transmission Control Module (TCM)
- Body Control Module (BCM)
- ABS Control Module
- Airbag Control Unit (ACU)
6.5 Emission Control Systems
- EVAP System (Vapor Canister, Purge Valve)
- EGR Valve & System
- SCR System (DEF Injection)
- O2 Sensors (Upstream/Downstream)
6.6 Safety & Restraint Systems
- SRS Airbag System
- Seatbelt Pretensioners
- Crash Impact Sensors
- Tire Pressure Monitoring System (TPMS)
6.7 Infotainment & Connectivity
- Head Unit & Display Systems
- Navigation (GPS) Systems
- Voice Control Systems
- Rear Seat Entertainment
6.8 Advanced Driver Assistance (ADAS)
- Adaptive Cruise Control
- Lane Keep Assist (LKA)
- Blind Spot Detection (BSD)
- 360° Camera System
- Automatic Emergency Braking (AEB)
7. Supported Vehicles
The KONNWEI MAXOBD KW906 is compatible with 99% of vehicles that support OBD-II protocols, specifically most 12V cars, SUVs, and light trucks manufactured from 1996 to 2022. It supports over 120 manufacturers and 13,596+ models across various regions including USA, Europe, Canada, and Japan.
8. Maintenance
To ensure the longevity and optimal performance of your KONNWEI MAXOBD KW906:
- Keep the device clean and free from dust and moisture.
- Store it in a cool, dry place when not in use.
- Avoid dropping the device or subjecting it to strong impacts.
- Do not attempt to disassemble or repair the device yourself, as this will void the warranty.
9. Troubleshooting
If you encounter issues while using your MAXOBD KW906, consider the following:
- Connection Issues: Ensure the device is firmly plugged into the OBDII port and your smartphone's Bluetooth is enabled. Restart the app and try connecting again.
- App Not Responding: Close and reopen the MAXOBD app. If the issue persists, try restarting your smartphone.
- No Data/Codes: Verify that your vehicle is OBDII compliant (generally 1996 and newer). Ensure the ignition is on (engine can be off or running, depending on the test).
- Inaccurate Readings: Ensure the app and device firmware are up to date.
For persistent issues, refer to the in-app help section or contact customer support.
10. User Tips
Here are some tips to enhance your experience with the KONNWEI MAXOBD KW906:
- No Hidden Fees: Enjoy the full functionality of the MAXOBD app without any subscription fees or in-app purchases. It includes unlimited OEM data.
- Lifetime Free Updates: The device and its accompanying software receive lifetime free updates, ensuring compatibility with new vehicle models and improved features. Regularly check for updates within the app.
- Keep it Handy: Its compact size makes it easy to carry in your pocket or glove compartment, allowing you to check your car's status anytime, anywhere.
11. Warranty and Support
The KONNWEI MAXOBD KW906 comes with lifetime free software updates, ensuring your diagnostic tool remains current with the latest vehicle data and features. For specific warranty details and technical support, please refer to the information provided at the time of purchase or contact the seller directly. The product package includes a user manual and the packing box.
