What is the function of an OBD system in a vehicle?

Function of OBD system in a vehicle

The On-Board Diagnostics (OBD) system in a vehicle is designed to monitor the performance of various components and systems within the vehicle. It can detect and alert the driver about any issues or malfunctions that may be affecting the vehicle's performance.

The main functions of an OBD system include:

1. Monitoring the engine's performance and emissions
2. Detecting and diagnosing problems with the engine and other systems
3. Alerting the driver to potential issues through dashboard warning lights
4. Providing diagnostic trouble codes (DTCs) for mechanics to identify and fix problems
5. Ensuring compliance with emissions standards

Overall, the OBD system plays a crucial role in maintaining the health and performance of a vehicle, helping to identify and address issues before they become major problems.