THINKCAR M70

THINKCAR ThinkCheck M70 OBD-II Diagnostic Scan Tool User Manual

Model: M70

1. Introduction

This manual provides comprehensive instructions for the safe and effective operation of your THINKCAR ThinkCheck M70 OBD-II Diagnostic Scan Tool. The M70 is a universal diagnostic tool designed to assist in vehicle maintenance by reading and clearing fault codes, monitoring live data, and performing various service functions on OBD-II compliant vehicles.

Please read this manual thoroughly before operating the device to ensure proper usage and to prevent damage to the tool or your vehicle.

2. Safety Information

Always observe the following safety precautions when using the ThinkCheck M70:

  • Ensure the vehicle's ignition is off before connecting or disconnecting the diagnostic tool.
  • Do not operate the tool while driving.
  • Wear appropriate eye protection when working on a vehicle.
  • Keep the tool away from water, oil, and extreme temperatures.
  • Do not attempt to disassemble or modify the tool. Refer all servicing to qualified personnel.
  • The tool is designed for 12V vehicle battery systems only. Do not connect to other voltage systems.

3. Package Contents

Upon opening the package, please verify that all items are present and in good condition:

  • THINKCAR ThinkCheck M70 Diagnostic Scan Tool
  • OBD-II Diagnostic Cable (integrated)
  • User Manual (this document)

4. Device Overview

The THINKCAR ThinkCheck M70 features a robust design with a 5-inch touch screen for intuitive navigation. The integrated OBD-II cable connects directly to your vehicle's diagnostic port.

THINKCAR ThinkCheck M70 front view with main menu displayed

Figure 4.1: Front view of the THINKCAR ThinkCheck M70 showing the 5-inch touch screen and main menu interface. The device has a rugged black casing and an integrated OBD-II cable extending from the top.

THINKCAR ThinkCheck M70 back view with product label

Figure 4.2: Back view of the THINKCAR ThinkCheck M70, displaying the product label with model information (TCM70), power input (9-18V), working current (1.2A), and manufacturer details.

Key Components:

  • 5-inch Touch Screen: Primary interface for all operations.
  • Integrated OBD-II Cable: Connects the tool to the vehicle's OBD-II port.
  • Power Button: (Assumed, typically on side/top) For turning the device on/off.
  • USB Port: (Assumed, for charging/data transfer if applicable)

5. Setup

Follow these steps to set up your ThinkCheck M70 for first use:

  1. Locate the OBD-II Port: The OBD-II port is typically located under the dashboard on the driver's side. Refer to your vehicle's owner's manual if you cannot find it.
  2. Connect the Tool: With the vehicle's ignition off, firmly plug the ThinkCheck M70's integrated OBD-II cable into the vehicle's OBD-II port.
  3. Power On: Turn the vehicle's ignition to the "ON" position (engine off). The ThinkCheck M70 should power on automatically. If not, press the power button (if available).
  4. Initial Setup (First Use):
    • Select your preferred language.
    • Connect to a Wi-Fi network for software updates. Navigate to "Settings" and then "Wi-Fi" to configure.

6. Operating Instructions

The ThinkCheck M70 operates on an Android-based system with a touch screen interface. Tap on icons to select functions.

6.1. Main Menu Functions

  • Scan: Initiates a full system scan to identify diagnostic trouble codes (DTCs) across various vehicle modules (ECM, TCM, ABS, SRS, BCM, IC, AC).
  • OBD: Accesses standard OBD-II functions, including:
    • Read Codes: Displays current, pending, and permanent DTCs.
    • Clear Codes: Erases DTCs from the vehicle's computer. Caution: Clearing codes without addressing the underlying issue will likely result in the codes reappearing.
    • Live Data: Displays real-time sensor data from the vehicle.
    • I/M Readiness: Checks the status of emission-related monitors.
    • Freeze Frame: Shows engine conditions at the time a DTC was set.
    • O2 Sensor Test: Retrieves O2 sensor monitoring test results.
    • On-Board Monitor Test: Retrieves results for emission-related powertrain components.
    • Component Test: Allows testing of specific components.
    • Vehicle Information: Displays VIN, CID, CVN, etc.
  • Maintenance & Service: Provides access to 5 lifetime free service reset functions. Specific functions may vary but typically include:
    • Oil Reset: Resets the oil life reminder.
    • EPB Reset: Resets the electronic parking brake after service.
    • SAS Reset: Resets the steering angle sensor.
    • BMS Reset: Resets the battery management system.
    • TPMS Reset: Resets the tire pressure monitoring system.

    Note: Always follow vehicle manufacturer's procedures when performing service resets.

  • ThinkStore: Access to additional software or functions (if available).
  • Update: Performs software updates via Wi-Fi. Ensure a stable internet connection for this process.
  • ThinkFile: Manages saved diagnostic reports and data streams. Supports data record and playback.
  • Repair Info: Provides DTC lookup and repair information.
  • Setting: Configures device settings such as Wi-Fi, language, brightness, and system information.

6.2. AutoVIN Feature

The ThinkCheck M70 supports AutoVIN, which automatically identifies the vehicle's VIN (Vehicle Identification Number) upon connection, streamlining the diagnostic process.

6.3. Real-time Vehicle Battery Monitoring

The tool can monitor and graph the vehicle's battery voltage in real-time, providing insight into the battery's health during diagnostic procedures.

7. Maintenance

  • Cleaning: Use a soft, damp cloth to clean the device. Do not use abrasive cleaners or solvents.
  • Storage: Store the tool in a dry, cool environment, away from direct sunlight and extreme temperatures.
  • Software Updates: Regularly check for and install software updates via Wi-Fi to ensure optimal performance and compatibility with the latest vehicle models.

8. Troubleshooting

ProblemPossible CauseSolution
Device does not power on.
  • Loose OBD-II connection.
  • Vehicle ignition not in "ON" position.
  • Vehicle battery low or dead.
  • OBD-II port fuse blown.
  • Ensure cable is firmly connected.
  • Turn ignition to "ON" (engine off).
  • Check vehicle battery voltage.
  • Inspect vehicle's OBD-II port fuse.
Communication error with vehicle.
  • Incorrect OBD-II protocol.
  • Faulty vehicle ECU.
  • Non-standard OBD-II port wiring.
  • Verify vehicle is OBD-II compliant (1996 and newer).
  • Try on another OBD-II compliant vehicle.
  • Consult a professional mechanic.
Software update fails.
  • Unstable Wi-Fi connection.
  • Insufficient storage space.
  • Ensure strong Wi-Fi signal.
  • Check available storage in "Settings".

9. Specifications

Model:ThinkCheck M70 (TCM70)
Display:5-inch Touch Screen
Operating System:Android 7.0
Internal Storage:16GB
Battery:6100mAh
Input Voltage:9-18V DC (via OBD-II)
Working Current:1.2A
Connectivity:Wi-Fi
Supported OBD-II Protocols:KWP2000, ISO9141, J1850 VPW, J1850 PWM, CAN
Dimensions:Approximately 7 x 11 x 4 inches
Weight:Approximately 2.72 pounds
Manufacturer Part Number:303020049
UPC:850022568848

10. Warranty and Support

THINKCAR products are designed for durability and performance. For warranty information, please refer to the warranty card included with your product or visit the official THINKCAR website.

If you encounter any issues or have questions regarding the operation of your ThinkCheck M70, please contact THINKCAR customer support. Contact details can typically be found on the official THINKCAR website or within the device's "Settings" menu under "About" or "Support".

For the latest software updates and product information, visit: www.thinkcar.com

© 2023 THINKCAR. All rights reserved.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.