1. Introducción
The THINKCAR ThinkDiag Mini is a compact and versatile On-Board Diagnostics (OBD2) scanner designed for vehicle owners and technicians. It connects wirelessly via Bluetooth to a smartphone or tablet, providing comprehensive diagnostic capabilities for various vehicle systems. This manual provides instructions for setting up, operating, and maintaining your ThinkDiag Mini device.
2. Producto terminadoview
The ThinkDiag Mini device is a small, portable unit that plugs directly into your vehicle's OBD2 port. It communicates with your smartphone or tablet via Bluetooth, allowing access to vehicle diagnostic information through the dedicated THINKCAR application.

Figure 2.1: THINKCAR ThinkDiag Mini device and companion app interface.
The device is designed to perform full system diagnoses, covering various electronic control units (ECUs) within the vehicle. This includes, but is not limited to, the engine, transmission, ABS, SRS, and other critical systems. It supports over 120 car makes and 100,000+ vehicle models, working for all OBD-II and EOBD cars after 1996. The app also supports 11+ languages.

Figure 2.2: Full System Diagnoses Overview.
The ThinkDiag Mini supports standard OBD-II functions, enabling users to read and clear trouble codes, view live data streams, perform I/M readiness tests, and access other essential diagnostic information. The device operates with a free app, includes unlimited OEM data, and has no in-app purchases or subscription fees.

Figure 2.3: OBD-II Functions Interface.
3. Instrucciones de configuración
3.1. Instalación del dispositivo
- Locate the OBD2 port in your vehicle. This port is typically found under the dashboard on the driver's side.
- Plug the ThinkDiag Mini device firmly into the OBD2 port. Ensure a secure connection.
- Once connected, the device's power indicator light should illuminate.
3.2. Instalación y emparejamiento de la aplicación
- Download the official THINKCAR app from the Google Play Store (for Android devices) or the Apple App Store (for iOS devices).
- Abra la aplicación y regístrese para obtener una cuenta si es un usuario nuevo.
- Encienda el encendido de su vehículo (motor apagado).
- Habilite Bluetooth en su teléfono inteligente o tableta.
- Within the THINKCAR app, follow the prompts to search for and pair with your ThinkDiag Mini device. The device's serial number (SN) is located on the unit itself and may be required for activation. An activation code might also be provided in the instruction booklet.
- Once paired, the Bluetooth signal light on the device should indicate a successful connection.

Figure 3.1: ThinkDiag Mini Configuration and Indicators.
4. Instrucciones de funcionamiento
4.1. Performing a Full System Diagnostic Scan
- Ensure the ThinkDiag Mini is connected to the vehicle's OBD2 port and paired with your smartphone/tablet.
- Open the THINKCAR app.
- Navigate to the "Car All Systems Diagnostic" section.
- Initiate a full system scan. The app will communicate with all accessible ECUs to retrieve diagnostic trouble codes (DTCs) and live data.
- Review the diagnostic report generated by the app. This report will detail any detected issues and their corresponding codes.
4.2. Using OBD-II Functions
The app provides access to standard OBD-II functions:
- Leer códigos de problemas: Muestra códigos de diagnóstico de problemas actuales, pendientes y permanentes.
- Borrar códigos de problemas: Erases DTCs from the vehicle's computer. This will turn off the Check Engine Light (MIL).
- Leer flujo de datos: Shows real-time data from various sensors and components (e.g., engine RPM, vehicle speed, oxygen sensor readings).
- Preparación I / M: Verifica el estado de los sistemas de monitoreo relacionados con las emisiones.
- Congelar datos de cuadro: Records vehicle operating conditions at the moment a DTC was set.
- Prueba del monitor de O2: Retrieves oxygen sensor monitor test results.
- Prueba del monitor EVAP: Retrieves evaporative system monitor test results.
- Información del VIN: Displays vehicle identification number and other vehicle information.

Figure 4.1: Intelligent Wireless Diagnostics Features.
4.3. Data Monitoring and Reporting
The ThinkDiag Mini allows for real-time monitoring of vehicle data. This data can be displayed in various formats, including graphs, to help diagnose intermittent issues or verify repairs. Diagnostic reports can be generated and saved, often in PDF format, for record-keeping or sharing.
5. Mantenimiento
- Mantenga el dispositivo limpio y libre de polvo y humedad. Utilice un paño suave y seco para limpiarlo.
- Guarde el dispositivo en un lugar fresco y seco cuando no esté en uso.
- Ensure the app is regularly updated to access the latest features and vehicle compatibility. The device supports one-click free updates.
6. Solución de problemas
| Asunto | Posible causa | Solución |
|---|---|---|
| El dispositivo no se enciende. | Improper connection to OBD2 port; vehicle ignition off. | Ensure the device is firmly plugged into the OBD2 port. Turn the vehicle ignition to the ON position (engine off). |
| No se puede emparejar con un teléfono inteligente a través de Bluetooth. | Bluetooth not enabled; app pairing issue; incorrect device selection. | Verify Bluetooth is enabled on your phone. Restart the app and try pairing again. Ensure you select the correct ThinkDiag Mini device from the list. |
| App displays "No communication" or fails to diagnose. | Loose connection; vehicle not OBD2 compliant; app software issue. | Check the device connection. Ensure your vehicle is OBD2 compliant (most vehicles 1996 and newer). Update the app to the latest version. Restart the vehicle and the app. |
| Difficulty with app installation or navigation. | App store issues; user unfamiliarity. | Ensure stable internet connection for download. Refer to the in-app tutorials or online resources for navigation assistance. |
7. Especificaciones
- Marca: PIENSA EN COCHE
- Modelo: ThinkDiag Mini
- Peso del artículo: 3.52 onzas
- Dimensiones del paquete: 6.97 x 5.43 x 1.61 pulgadas
- Fuente de energía: Alimentado por batería (a través del puerto OBD2)
- Compatibilidad del sistema operativo: Android, iOS
- Conectividad: Bluetooth
- Código postal: 768297282423
- Fecha de primera disponibilidad: 3 de febrero de 2023
8. Soporte y garantía
For technical assistance, software updates, or warranty information, please refer to the official THINKCAR website or contact their customer support directly. Ensure you have your device's serial number and purchase details available when seeking support.
The THINKCAR app provides a "ThinkMoments" section and online feedback options for user assistance and community interaction.





