The principle and application scenarios of OBD2 connector
The OBD2 Connector is connected to the vehicle's electronic control unit (ECU) and various sensors and actuators through various pins. When the vehicle is running, the ECU collects sensor data to monitor the working status of multiple systems and components such as the engine and emission control system. Once an abnormality is detected, the ECU stores the fault information in the form of fault codes and transmits the information to external diagnostic devices through the OBD2 Connector.
Application scenarios:
Vehicle fault diagnosis and maintenance: Maintenance personnel connect professional diagnostic equipment to the vehicle through OBD2 connectors, read fault codes and driving information, quickly determine the location of the fault, and carry out targeted maintenance.
Vehicle operation status monitoring: Car owners can connect to the on-board computer or related monitoring equipment of the OBD2 interface to obtain real-time operating data such as vehicle speed, RPM, water temperature, voltage, fuel consumption, etc., to ensure that the vehicle is in good operating condition.
Function expansion and personalized settings: Car modification enthusiasts can access specific devices or software through the OBD2 interface to achieve vehicle function expansion and personalized settings, such as improving engine power output, connecting reverse image, etc.
