Thinkdiag Bluetooth OBD2 Scanner User Manual

1. Product Overview

The Thinkdiag Bluetooth OBD2 Scanner is a professional diagnostic tool designed for comprehensive vehicle system analysis. It offers OE-level diagnostic capabilities, bidirectional control, ECU coding, and over 15 common reset and calibration functions. Compatible with both Android and iOS devices, it transforms your smartphone into a powerful automotive diagnostic scanner.

Image: Thinkdiag device connected to a smartphone displaying the app interface.

Key Features:

• Full-System Diagnostics: Read/clear DTCs, view live data, and retrieve control module information for all vehicle systems (ECM, BCM, SRS, TCM, BMS, TPMS, SAS, A/C, etc.).
• Bidirectional Control (Active Test): Send commands to vehicle systems/components to test their real-time working status, such as activating solenoids, actuators, windows, doors, or fuel pumps.
• ECU Coding: Match replaced components with the ECU, flash hidden functions, disable annoying features, and customize vehicle settings for improved performance.
• 15+ Reset & Calibration Functions: Includes Oil Reset, ABS Bleeding, Injector Coding, SAS Reset, TPMS Reset, BMS Reset, Transmission Adaptation, AFS Reset, Sunroof Calibration, Brake Reset, Suspension Relearn, Electronic Throttle Relearn, and Seat Calibration.
• Auto-VIN Technology: Automatically identifies most car models for quick and accurate diagnosis.
• Live Data Stream Graphing: Combines 4-in-1 graphing and data recording for detailed performance monitoring and analysis.
• FCA AutoAuth Compatibility: Allows communication with FCA SGW Authentication System to perform diagnostics and bi-directionals.

2. Setup Guide

Follow these steps to set up your Thinkdiag Bluetooth OBD2 Scanner and begin diagnostics.

1. Download the Thinkdiag+ App: Search for "Thinkdiag+" in the Apple App Store (for iOS) or Google Play Store (for Android) and install it on your smartphone.
2. Sign Up or Sign In: Open the app and create a new user account with your email address, or sign in if you already have an account.
3. Activate the Device: After logging in, navigate to the activation section within the app. Enter the Serial Number (SN) and Activation Code provided with your Thinkdiag device. Ensure these details are entered accurately for successful activation.
4. Plug into OBD2 Port: Locate your vehicle's OBD2 diagnostic port, typically found under the dashboard on the driver's side. Plug the Thinkdiag device firmly into the port. The device will power on, indicated by an LED light.
5. Bluetooth Connection: Enable Bluetooth on your smartphone. Within the Thinkdiag+ app, the device should be automatically detected. Follow the in-app prompts to establish a Bluetooth connection.
6. Download and Update Software: Once connected, the app may prompt you to download specific vehicle software packages or update existing software. Ensure you have a stable internet connection for this step. Keep your software updated for optimal performance and vehicle compatibility.

Image: Visual steps for quick setup, including app download, sign-up, activation, plugging into OBD2, Bluetooth connection, and software update.

3. Operating Instructions

This section details the primary functions and how to use them with your Thinkdiag scanner.

3.1 Full-System Diagnostics

The Thinkdiag scanner provides comprehensive diagnostics for all electronic control units (ECUs) in your vehicle. This includes engine, transmission, ABS, SRS, TPMS, and more.

• Read/Clear DTCs: Identify diagnostic trouble codes (DTCs) and clear them after repairs.
• Live Data Stream: View real-time data parameters from various sensors and components, often displayed in numerical, graphical, or combined formats.
• Read Control Module Information: Access specific information about the vehicle's control modules.

Image: Diagram illustrating full system diagnostic capabilities across various vehicle systems.

3.2 Bidirectional Control (Active Test)

This function allows you to send commands from the scanner to the vehicle's ECUs to activate specific components or systems, verifying their functionality without manual vehicle controls. This saves diagnostic time and helps pinpoint malfunction causes.

• Examples include testing windows, doors, mirrors, sunroof, cooling fans, and fuel pumps.

Image: Display of ECU coding options and a table of actuation test functions.

3.3 ECU Coding & Hidden Feature Activation

ECU Coding allows you to re-flash control modules, match replaced components, and activate or deactivate certain vehicle features. This function is advanced and should be used with caution.

• Match replaced components with the ECU.
• Flash hidden functions (e.g., for BMW, GM, Benz).
• Customize vehicle settings to improve performance or disable unwanted features.

Note: ECU coding functionality may vary by vehicle make and model. Please verify compatibility before attempting.

3.4 Reset and Calibration Functions

The Thinkdiag offers over 15 commonly used maintenance and reset services to assist with various vehicle repairs and calibrations.

• Oil Reset
• ABS Bleeding
• Injector Coding
• SAS (Steering Angle Sensor) Reset
• TPMS (Tire Pressure Monitoring System) Reset
• BMS (Battery Management System) Reset
• Transmission Adaptation
• AFS (Adaptive Front-lighting System) Reset
• Sunroof Calibration
• Brake Reset
• Suspension Relearn
• Electronic Throttle Relearn
• Seat Calibration
• DPF (Diesel Particulate Filter) Regeneration
• EGR (Exhaust Gas Recirculation) Adaption

Image: Screenshot of the Thinkdiag app showing various maintenance reset options.

3.5 Live Data Stream Graphing

The device allows for detailed analysis of live data streams, combining up to four data graphs simultaneously for better monitoring and identification of abnormal parameters.

Image: A smartphone displaying a 4-in-1 live data stream graph from the Thinkdiag app.

3.6 Official Product Video

4. Maintenance

To ensure optimal performance and access to the latest vehicle data and functions, regular maintenance of your Thinkdiag scanner's software is crucial.

4.1 Software Updates

Your Thinkdiag scanner includes one year of free software updates from the date of activation. These updates provide new vehicle models, additional functions, and performance enhancements.

• Ensure your device is connected to the internet via your smartphone for updates.
• The app will notify you when new software versions are available.

4.2 Subscription Plans

After the initial free year, continued access to full software features and updates requires a subscription. Various plans are available:

• Multi-vehicle reset services: $49.95/year/Reset
• Single-model full diagnostics + coding: $39.95/year/Car make
• All feature car make and reset software renewal (Promo): $65/year

Without an active subscription, you will still be able to use basic OBD functions and view some live data, but advanced reset functions and full system diagnostics for specific car makes will be unavailable.

5. Troubleshooting

This section provides solutions to common issues you might encounter.

5.1 Device Registration/Activation Issues

• Incorrect Serial Number (SN) or Activation Code: Double-check the SN and activation code provided in your product packaging. Ensure no typos.
• App Cache Issues: If you encounter activation problems, try clearing the Thinkdiag+ app's cache and then re-logging into your account.
• Contact Support: If the device cannot be registered, contact customer support with your device's Serial Number for a new activation code.

5.2 Connectivity Problems (Bluetooth)

• Ensure Bluetooth is Enabled: Verify that Bluetooth is turned on in your smartphone's settings.
• Device Powered On: Confirm the Thinkdiag device is properly plugged into the OBD2 port and its indicator light is on.
• App Permissions: Ensure the Thinkdiag+ app has necessary Bluetooth and location permissions enabled on your smartphone.
• Restart App/Device: Close and reopen the Thinkdiag+ app, or unplug and re-plug the Thinkdiag device from the OBD2 port.

5.3 Vehicle Compatibility Issues

• Check Compatibility: Before purchase or if encountering issues, verify your vehicle's compatibility on the official mythinkcar.com website.
• Provide Vehicle Information: If you have specific compatibility questions, contact customer support with your car's brand, year, and model.

5.4 App Performance (Tablets)

• Smartphone Recommendation: The Thinkdiag+ app is primarily recommended for Android/iOS smartphones. Tablets may experience compatibility issues.

6. Specifications

7. Warranty and Support

7.1 Warranty Information

The Thinkdiag Bluetooth OBD2 Scanner comes with a 1-year warranty from the date of purchase, covering manufacturing defects and malfunctions under normal use.

7.2 Customer Support

For any technical assistance, troubleshooting, or inquiries regarding your Thinkdiag scanner, please contact our customer service team:

• Email: obdbox21@163.com

Please provide your device's Serial Number (SN) and a detailed description of your issue for prompt support.

7.3 User Guide (PDF)

A detailed User Guide in PDF format is available for download, providing more in-depth information on the device's functions and operations.

Download User Guide (PDF)