1. Setup
1.1 Unboxing and Initial Inspection
- Verify all components are present: THINKSCAN 689BT + Plus S6 unit, OBDII dongle, charging cable.
- Inspect the device for any physical damage.
1.2 Charging the Device
Connect the device to a power source using the provided charging cable. Ensure the device is fully charged before first use for optimal performance.
1.3 Connecting to the Vehicle
Locate the OBDII port in your vehicle, typically under the dashboard on the driver's side. Plug the OBDII dongle into the port. The dongle will illuminate to indicate a successful connection.

Image: The THINKSCAN 689BT + Plus S6 diagnostic tool with its accompanying OBDII dongle, ready for connection to a vehicle.

Image: Illustrates the 'One-Click Start' feature, showing automatic VIN detection, software upgrades, auto scan, and diagnostic report generation.
2. Operating the Device
2.1 Powering On and Initializing
Press and hold the power button to turn on the device. The system will boot up and display the main menu.
2.2 AutoSearch Function
Select 'AutoSearch' from the main menu. This function automatically identifies the vehicle's brand, model, year, and other relevant information, providing quick access to the vehicle's system for diagnostics.
2.3 Diagnostic Functions
The THINKSCAN 689BT + Plus S6 offers comprehensive diagnostic capabilities:
- Full OBDII Functions: Access all 10 OBDII test modes for complete engine diagnostics.
- System Diagnostics: Diagnose ABS (Anti-lock Braking System), SRS (Supplemental Restraint System), TCM (Transmission Control Module), and ECM (Engine Control Module) systems.
- Read Fault Codes: Retrieve Diagnostic Trouble Codes (DTCs) to identify issues.
- Clear Fault Memory: Erase DTCs after repairs are completed.
- Read Data Stream: View real-time data parameters from various sensors.
- Actuation Test: Perform active tests on vehicle components.
- Special Functions: Access advanced diagnostic features.

Image: Highlights the 99.9% accuracy for scanning Engine, ABS, Airbag, and Transmission systems, emphasizing the benefit of WiFi connection for diagnostics.

Image: Shows the device displaying live data streams and on-board monitor test results, crucial for in-depth diagnostics of various vehicle parameters.
3. Maintenance Functions
The THINKSCAN 689BT + Plus S6 includes 34 service functions for various maintenance tasks. Key functions include:
- Oil Reset: Reset the oil life reminder after an oil change.
- SAS (Steering Angle Sensor) Reset: Calibrate the steering angle sensor.
- Brake Reset: Reset the electronic parking brake after brake pad replacement.
- TPMS (Tire Pressure Monitoring System) Reset: Reset tire pressure sensors.
- ETS (Electronic Throttle System) Reset: Clear learned values for the electronic throttle.
- Air/Fuel Ratio Reset: Set or learn Air/Fuel parameters.
- ABS Bleeding: Perform ABS brake bleeding procedures.
- Airbag Reset: Reset airbag crash data.
- AdBlue Reset: Reset AdBlue system.

Image: Depicts five common maintenance reset functions: Oil Reset, SAS, Brake, TPMS, and ETS, highlighting the DIY aspect of the tool.

Image: Shows the process of turning off engine, SRS, ABS, and TCM fault lights with a single click after vehicle faults are repaired.
4. Software Updates
The THINKSCAN 689BT + Plus S6 offers lifetime free software updates. To update the device:
- Ensure the device is connected to a stable Wi-Fi network.
- Navigate to the 'Upgrade' section on the main menu.
- Choose the desired updates and click 'Upgrade'. The device will download and install the latest versions to ensure optimal diagnostic results.
5. Troubleshooting
5.1 Common Issues and Solutions
- Device not powering on: Ensure the battery is charged. Connect to a power source and try again.
- No communication with vehicle: Verify the OBDII dongle is securely plugged into the vehicle's OBDII port and the vehicle's ignition is on. Check the Bluetooth connection between the main unit and the dongle.
- Inaccurate readings: Ensure the software is up-to-date. Perform a system reset if necessary.
5.2 Online Service and Feedback
For advanced troubleshooting or specific vehicle issues, utilize the online service feature. You can submit feedback or questions directly to thinkcar support. The system allows for communication and provides a QR code to transfer conversations to your mobile phone for convenience.

Image: Illustrates the DTCs Lookup and Online Feedback feature, allowing users to check fault code meanings and send problems to engineers for assistance.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | thinkcar |
| Model | THINKSCAN 689BT + Plus S6 |
| Diagnostic Capabilities | Full OBDII, ABS/SRS/TCM/ECM |
| Service Functions | 34+ Maintenance Services (e.g., Oil Reset, SAS, Brake, TPMS, ETS) |
| Connectivity | Bluetooth (for dongle), Wi-Fi (for updates) |
| Updates | Lifetime Free Updates |
| Display | 5-inch Touch Screen |
7. Warranty & Support
For warranty information and technical support, please refer to the official thinkcar website or contact their customer service directly. The device offers online feedback functionality for direct communication with support staff.

Image: Shows two mechanics reviewing a diagnostic report, emphasizing the user-friendly graphing and reporting features, with options to print, email, or share via Bluetooth.





