- 1). Purchase a laptop OBD-II interface kit. You can purchase these kits at many automotive parts stores; in addition, they are available online.
- 2). Insert the software installation disc. Follow the prompts to complete the installation. If the installation does not automatically begin, access "My Computer" and double-click on the disc to start.
- 3). Connect the components to your laptop. Most kits contain a USB to serial adapter for laptops without serial ports. Once the device is attached to the laptop, connect the OBD-II diagnostic port cable.
- 4). Start the software program. Double-click on the desktop icon if the program did not automatically start. Get comfortable with the control interface.
- 5). Bring your laptop to your vehicle. Turn the ignition key to the "On" position, but do not crank the engine. Connect the OBD-II scan cable from the laptop to the diagnostic port on your vehicle (usually located in the driver's side foot well, below the steering well).
- 6). Click the "Scan" button on the control interface, if required. View the engine codes and diagnostic information provided by the program.
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