On-board diagnostics is a system in vehicles that helps monitor and track the performance of the engine and other important components. It detects issues or malfunctions and records error codes that can be read by a mechanic. This allows for easier identification of problems, helping to keep the vehicle in good working condition. The system also helps ensure that the vehicle is operating efficiently, reducing the chances of more serious issues or expensive repairs later on.

英語での「on-board diagnostics」の定義と意味

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