1. Introduction
The AUTOPHIX 3910 Bluetooth OBD2 Scanner is a professional diagnostic tool designed to diagnose and repair various vehicle systems. It aims to make automotive repairs easy, efficient, accurate, and affordable for both DIY enthusiasts and professional technicians. This manual provides detailed instructions on how to set up, operate, and maintain your device.
The 3910 scanner is compatible with BMW, MINI, and Rolls Royce vehicles, offering full system diagnostics and a range of special service functions.
2. Safety Information
Please read and understand all safety instructions before using this device. Failure to follow these instructions may result in electric shock, fire, or serious injury. Always perform automotive testing in a safe environment. Keep clothing, hair, hands, tools, test equipment, etc., away from all moving or hot engine parts. Wear eye protection that meets ANSI standards. Do not connect or disconnect any test equipment while the ignition is on or the engine is running, unless instructed to do so by the manual.
3. Package Contents
Upon opening your AUTOPHIX 3910 package, you should find the following items:
- AUTOPHIX 3910 Bluetooth OBD2 Scanner Unit
- User Manual (this document)
- (Optional: Quick Start Guide, Warranty Card - check packaging for details)
Image: AUTOPHIX 3910 Bluetooth OBD2 Scanner and companion app.
4. Specifications
| Feature | Description |
|---|---|
| Hardware Version | AUTOPHIX 3910 |
| Brand Name | Autophix |
| Origin | Mainland China |
| Item Type | Code Readers & Scan Tools |
| Certification | CE |
| Software Update | Yes (Lifetime Free Update via APP) |
| Language Support | English, French, German, Italian, Spanish, Chinese, Czech |
| Function 1 | Oil Service Reset, EPB Brake Pad Reset |
| Function 2 | TPA Throttle Position Adaption (Throttle Relearning) |
| Function 3 | Read & Clear Error Codes |
| Compatibility | BMW, MINI, Rolls Royce (all protocols) |
| App Support | Android 4.2 and above |
5. Setup Guide
5.1. App Installation
- Ensure your smartphone or tablet runs Android 4.2 or higher.
- Search for the "Autophix" app in your device's app store (e.g., Google Play Store).
- Download and install the "Autophix" application.
5.2. Connecting the Device
- Locate the OBDII connector in your vehicle. This is typically a trapezoidal, 16-pin female port, usually found under the dashboard on the driver's side.
- Ensure the vehicle's ignition is turned ON (engine can be off or running, depending on the diagnostic task).
- Plug the AUTOPHIX 3910 scanner unit firmly into the vehicle's OBDII port. The device should power on, indicated by an LED light.
- Open the "Autophix" app on your smartphone. The app is designed to automatically connect to the scanner via Bluetooth.
- If prompted, allow the app to turn on Bluetooth and access location services.
- Once connected, the app will display a "Connected Successfully" message.
Image: AUTOPHIX 3910 connected to a smartphone app.
6. Operating Instructions
The AUTOPHIX 3910 offers comprehensive diagnostic capabilities through its intuitive app interface.
6.1. Full System Diagnosis
The scanner can access and diagnose all major vehicle modules, including:
- Powertrain Module: Engine, EGS (Electronic Gearbox Control), Transmission Control, Fuel Pump Control, Gear Selector Switch.
- Chassis Module: ABS (Anti-lock Braking System), SAS (Steering Angle Sensor), Dynamic Stability Control, Damper Control, Chassis Integration Module, EPB (Electronic Parking Brake), EPS (Electric Power Steering), Type Pressure Control.
- Body Module: SRS (Supplemental Restraint System/Airbag), ACS (Air Conditioning System), Interior Monitoring, Parking Brake, Battery Charger, Immobilizer, Sensors, Headlight Regulation, Central Electrics, Steering Column Electronic, Dashboard, Auxiliary Parking Heater, Gateway, Central Locking Control Module, Convertible Top, Sliding/Tilting Sunroof, Wiper Module, Video Switch, Active Backrest Width, AHM Trailer Module, Reversing Camera, Active Cruise Control, Safety And Gateway Module, Switch Center.
To perform a full system scan, select the 'Diagnostics' option in the app and choose 'System Scan'. The tool will read and clear fault codes across all accessible systems.
Image: Full Systems Bluetooth Diagnostic Scanner capabilities.
6.2. Special Service Functions
The 3910 provides several popular service functions:
- Oil Light / Service Reset: Resets service lamps on the instrument cluster.
- EPB Reset (Electronic Parking Brake): Resets calipers, brake discs, or pads after electronic parking brake system repair.
- BMS Reset (Battery Management System): Resets after battery replacement to clear low battery fault information and protect the new battery.
- Throttle Relearning (TPA Throttle Position Adaption): Resets throttle actuators for accurate throttle regulation, ensuring smooth idling and acceleration.
- CBS Reset (Condition Based Service): Resets service intervals for BMW vehicles.
- Airbag Repair: Resets Airbag data and clears collision data after Airbag replacement.
- SAS Adjustment (Steering Angle Sensor): Clears fault memories, performs reset, and turns off the steering wheel warning light.
- TPMS Programming (Tire Pressure Monitoring System): Checks tire sensor IDs and performs programming/reset after sensor replacement or rotation.
- Immobilizer: Disables a lost vehicle key to prevent theft and adds new keys.
- ABS Bleeding: Bleeds the brake system to restore ABS braking sensitivity and achieve a firm brake pedal.
Image: Key special functions for BMW vehicles.
6.3. Full OBD2 Modes (Engine Check for Other Brands)
For vehicles made from 1996 onwards, the 3910 supports all OBDII/CAN test modes:
- Mode 1 - Live Data/Data Stream: Displays real-time data stream in character or graphical format.
- Mode 2 - Freeze Frame: Captures operating conditions at the time of an emission-related fault.
- Mode 3 - Read Fault Codes: Reads current, pending, or permanent trouble codes.
- Mode 4 - Erase/Clear Codes: Clears existing or historic trouble codes.
- Mode 5 - O2 Monitor Test: Displays oxygen sensor monitoring test results.
- Mode 6 - On-Board Monitoring Test: Reads results of on-board diagnostic monitoring tests for specific components/systems.
- Mode 7 - I/M Readiness: Checks if emission-related systems are operating normally.
- Mode 8 - Component Test: Displays a list of components and their locations.
- Mode 9 - Vehicle Information: Views VIN, CID, and CVN.
Image: Full OBD2 Functions available.
6.4. Battery Voltage Monitor
The device can check your vehicle's battery voltage status in real-time. It analyzes the information automatically and displays results in a graph, helping you determine the battery's health and expected remaining life.
Image: Battery Check function displaying voltage data.
6.5. Live Data Stream
In the Data Stream function, you can view various parameters such as engine RPM, speed, coolant temperature, and voltage. This allows for a more accurate and simple understanding of your vehicle's operational situation.
6.6. Diagnostic Report
The app can automatically generate a diagnostic report. If you encounter a problem you don't understand, you can print or share this report with a mechanic for further assistance.
6.7. AutoVIN & AutoScan
The scanner utilizes AutoVIN technology for quick and accurate car identification, eliminating the need for manual input of vehicle make, model, and year. After identification, you can proceed to select systems for scanning. Note: AutoVIN may not work for all cars; in such cases, manual diagnostics through menus will be required.
Image: AutoVIN and AutoScan feature.
7. Maintenance
7.1. Software Updates
The AUTOPHIX 3910 offers free lifetime software updates via its companion app. Regularly check for updates within the app to ensure your device has the latest features, vehicle compatibility, and bug fixes.
7.2. Cleaning and Storage
Keep the device clean by wiping it with a soft, dry cloth. Avoid using abrasive cleaners or solvents. Store the scanner in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
8. Troubleshooting
- Device not powering on: Ensure the scanner is securely plugged into the vehicle's OBDII port and the vehicle's ignition is on. Check the vehicle's fuse for the OBDII port if the issue persists.
- App not connecting to device: Verify Bluetooth is enabled on your smartphone and the "Autophix" app has necessary permissions (Bluetooth, Location). Restart both the app and your phone, then try reconnecting.
- AutoVIN not working: If AutoVIN fails, proceed with manual vehicle selection through the app's menus.
- Inaccurate readings or errors: Ensure the vehicle is compatible with the scanner and the software is up to date. If problems persist, use the app's feedback function to contact technical support.
9. User Tips
- Always ensure your vehicle's battery is sufficiently charged before performing extensive diagnostic procedures to avoid interruptions.
- For critical functions like EPB or Battery Management resets, follow the on-screen instructions carefully and consult your vehicle's service manual if unsure.
- Take advantage of the "Live Data Stream" to monitor various parameters simultaneously, which can help in diagnosing intermittent issues.
- If you encounter a persistent issue or an unfamiliar fault code, utilize the app's "Feedback function" for timely online technical assistance.
- Keep the app updated to benefit from the latest vehicle coverage and diagnostic improvements.
10. Warranty and Support
The AUTOPHIX 3910 comes with a lifetime free update for its software via the companion app. For any technical issues, questions, or support, please use the "Feedback" function within the Autophix application. This allows for direct communication with the technical support team for timely assistance.
Please refer to the official Autophix website or your purchase documentation for specific warranty terms and conditions.
