1. Introduction
The Thinkdiag is a professional, full-system OBD2 diagnostic tool designed for automotive enthusiasts and technicians. It offers comprehensive vehicle diagnostics, including ECU coding, actuation tests, and 15 essential maintenance reset functions. Compatible with a wide range of vehicle brands and operating systems, Thinkdiag provides powerful diagnostic capabilities in a portable, palm-sized device.
2. Package Contents
Verify that all items are present in your package:
- Thinkdiag Diagnostic Device (1 unit)
- Multi-language User Manual (1 unit)
- Optional: OBD2 Extension Cable (may be included with specific versions or purchased separately)
3. Specifications
| Feature | Specification |
|---|---|
| Model | TKD01 |
| Working Voltage | 9-18V |
| Working Current | <130mA |
| Working Environment | -10°C to 50°C (14°F to 122°F) |
| Storage Environment | -20°C to 60°C (-4°F to 140°F) |
| Connectivity | Bluetooth |
| Software Version | V1.23.004 |
| Origin | Mainland China |
| Certification | CE, FCC |
| High-concerned chemical | None |
| Supported Languages | English, French, German, Italian, Japanese, Portuguese, Russian, Spanish |
| Supported Car Brands | Up to 155 car brands |
4. Setup and Installation
4.1 App Installation
The Thinkdiag device operates via a mobile application. Ensure your smartphone or tablet meets the minimum system requirements (Android or iOS).
- Download the official Thinkdiag application from your device's app store:
- For iOS devices: Search "Thinkdiag" on the Apple App Store.
- For Android devices: Search "Thinkdiag" on Google Play Store.
- Install the application on your device.
- Register or log in to your Thinkdiag account within the app.
4.2 Device Connection
- Locate your vehicle's OBD2 port. This is typically found under the dashboard on the driver's side.
- Plug the Thinkdiag device firmly into the OBD2 port.
- Turn on your vehicle's ignition (engine off).
- Open the Thinkdiag app on your smartphone or tablet.
- The app will automatically detect the Thinkdiag device via Bluetooth. Follow the on-screen prompts to establish a connection.
5. Operating Instructions
The Thinkdiag tool provides a range of diagnostic and maintenance functions. Navigate through the app to access these features.
5.1 Basic OBD2/EOBD Functions
These functions are standard for engine system diagnostics on all OBD2 & EOBD compliant vehicles (SAE J1850, ISO9241-2, ISO14230-4, ISO15765 Standard).
- Read & Clear DTCs: View and erase Diagnostic Trouble Codes (DTCs).
- View Freeze Frame Data: See a snapshot of vehicle operating conditions when an emission-related fault occurred.
- Support Graph Data Stream: Display live sensor data in graphical format.
- O2 Sensor Test: Retrieve O2 sensor monitor test results.
- Evap System Test: Initiate a test of the vehicle's evaporative emission system.
- On-Board Monitor Test: Retrieve results for emission-related powertrain components and systems.
- Identify VIN Information: Automatically read Vehicle Identification Number.
- DTC Code Look Up: Access a database to understand DTC definitions.
- Turn off MIL (Malfunction Indicator Lights): Clear the Check Engine Light after repairs.
- I/M Readiness Status Test: Check the readiness of the emission monitoring system.
5.2 Full System Diagnostics
Thinkdiag can diagnose electronic control systems across a wide range of vehicle models (Asian, European, American, and Chinese). This includes reading and clearing fault codes, viewing data streams, and performing actuation tests for virtually all vehicle systems.
Supported systems include, but are not limited to:
- Engines (ECM System)
- Auto Transmission
- Airbags (SRS System)
- Immobilizer (IMMO System)
- Key Coding
- Anti-lock Braking System (ABS System)
- Cruise Control
- Instruments
- Self-Leveling Suspension Systems
- Seats, Doors, Gateway
- Steering Angle (SAS System)
- Air Suspension
- Body Systems
- Electronic Power Steering & Motor Assisted (EPS)
- Tyre Pressure Monitoring System (TPMS System)
- Rain Sensors
- 4WD System
- Stabilizer
- Intelligent Parking Assist
- Door Motors
- Audio Systems
- Air Conditioning
- Tiptronic
- Anti-Theft
- Soft Top
- Headlamp Leveling
- Central Locking
- Automatic Clutch
- Diesel Particulate Filter (DPF) System
- Electric Windows
- Plip Programming
- Heated Rear Window
- Xenon Headlights
- Wash Wipe
- Fuel Burning Heater
- Transfer Box
- Seat Memory
- Oil Life Service Reset
- Sliding Doors
- Electronic Throttle
- Navigation System
- Rollover Sensor
- Multi-Function Steering Wheel
- Auxiliary Heating
- Electronic Parking Brake (EPB)
- Clutch Electronics
5.3 15 Service Reset Functions
The Thinkdiag offers 15 specialized reset and maintenance functions to address common vehicle service needs:
- Oil Reset: Resets the engine oil life system after an oil change.
- EPB Reset: Essential for maintaining the electronic braking system's safety and efficiency.
- BMS Reset: Evaluates battery charge state, monitors closed-circuit current, registers battery replacement, and activates the vehicle's rest state.
- DPF Reset: Manages Diesel Particulate Filter regeneration, component replacement teach-in, and DPF teach-in after ECU replacement.
- SAS Reset: Clears steering angle sensor memories and assists in calibration.
- TPMS Reset: Displays sensor IDs from the vehicle's ECU, allows input of new TPMS sensor IDs, and tests sensors.
- IMMO Reset: Used to disable lost vehicle keys and program new replacement key fobs.
- ABS Bleeding: Performs ABS brake bleeding to ensure a firm brake pedal after air exhaustion.
- Throttle Reset: Re-learns the throttle sensor position after clearing or repairing the throttle body.
- Injector Coding: Codes new injector numbers to the ECU to ensure accurate fuel delivery and optimal engine performance.
- EGR Reset: (Exhaust Gas Recirculation)
- Brake Reset:
- Sunroof Reset:
- SUS Reset: (Suspension)
- Gearbox Reset:
- AFS Reset: (Adaptive Front-lighting System)
5.4 ECU Coding and Actuation Tests
- ECU Coding: Customize vehicle control module software, allowing for personalization and optimization of vehicle features.
- Actuation Tests: Perform active tests on individual system actuators (e.g., turning on/off components) to diagnose functionality.
5.5 Remote Assistance
The Thinkdiag supports remote diagnostic capabilities, allowing technicians to provide assistance remotely. Consult the app for details on how to initiate or receive remote support.
5.6 Diagnostic Report Printing
After completing a diagnostic session, you can generate and print a professional diagnostic report via Bluetooth. This report can be saved, shared, or printed for your records or for client documentation.
6. Maintenance
- Keep the device clean and free from dust and moisture. Use a soft, dry cloth for cleaning.
- Store the Thinkdiag in a cool, dry place when not in use.
- Avoid dropping the device or subjecting it to strong impacts.
- Regularly check for app updates to ensure optimal performance and access to the latest vehicle data and features.
7. Troubleshooting
- Device not connecting via Bluetooth:
- Ensure the Thinkdiag is properly plugged into the OBD2 port and the vehicle's ignition is on. Verify Bluetooth is enabled on your mobile device and the Thinkdiag app has Bluetooth permissions. Try restarting both the app and your mobile device.
- App not detecting vehicle VIN:
- Confirm the device is securely connected to the OBD2 port. Ensure the vehicle's ignition is on. Some older vehicles or specific models may require manual VIN entry.
- Diagnostic functions not working for a specific system:
- Check if your vehicle model and year are supported for that specific function within the app. Ensure the app and device firmware are up to date. Contact support if the issue persists.
- Software compatibility with third-party applications (e.g., Diagzone):
- The Thinkdiag device is designed to work with its official application. While some users may attempt to use it with third-party software like Diagzone, compatibility and functionality are not guaranteed by the manufacturer. Using unofficial software may require separate software purchases and could void warranties or lead to unexpected behavior. The official software version is V1.23.004.
- Software license and updates:
- Software licenses for specific vehicle brands or advanced functions may require annual renewal or one-time purchases. Refer to the Thinkdiag app or official website for detailed information on licensing and update policies.
8. User Tips
- Software Version: If you intend to use the device with specific third-party software, ensure you have the correct version of the Thinkdiag device (e.g., "old version" for certain third-party compatibility, as mentioned by some users). The official software version is V1.23.004.
- Key Programming: The IMMO reset function can be used to program new keys or disable lost ones. For complex key programming scenarios, consult a professional locksmith or dealership.
- Regular Updates: Keep your Thinkdiag app and device firmware updated to benefit from the latest vehicle coverage, bug fixes, and new features.
9. Warranty and Support
The Thinkdiag device comes with certain service commitments:
- Free Returns: Free returns are available within 90 days of purchase.
- Delivery Guarantee: The manufacturer offers a delivery guarantee, including potential compensation for delays and refunds for lost or damaged packages.
- Security & Privacy: Your personal details are protected and not shared with third parties without consent.
For technical support, product inquiries, or warranty claims, please contact the manufacturer or your point of purchase directly. Refer to the official Thinkdiag website or the app's help section for contact information.
