Where is the OBD interface located in a sedan?

1 Answers
LeColeman
07/30/25 8:22am
The OBD interface in a sedan is located under the steering wheel. Its function is to monitor the engine's electronic control system, vehicle functional modules, and exhaust treatment system during operation. When a fault occurs in any system or the exhaust exceeds standards, the warning light will activate. OBD, also known as On-Board Diagnostics, can simultaneously monitor multiple systems and components in the vehicle, including: 1. Engine; 2. Catalytic converter; 3. Particulate filter; 4. Oxygen sensor; 5. Emission control system; 6. Fuel system. If the vehicle's malfunction indicator light comes on, connecting a diagnostic tool to the OBD interface can retrieve fault codes, helping to identify and repair the issue.
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