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Where is the OBD interface of Haima 323?

1 Answers

OmarAnn

07/29/25 7:51pm

Hainan Mazda 323's OBD interface is located under the dashboard, inside the cover above the accelerator pedal. OBD stands for On-Board Diagnostics, which is a detection system extended for automotive fault diagnosis. OBD monitors the engine, catalytic converter, particulate trap, oxygen sensor, emission control system, fuel system, EGR, and other systems and components in real-time. Then, through different emission-related component information, it connects to the ECU (Electronic Control Unit, which can detect and analyze emission-related faults). Below is more related information: How OBD works: 1. The OBD system continuously monitors whether the vehicle's exhaust exceeds the standard during engine operation. If it exceeds the standard, a warning will be issued immediately. 2. When a system failure occurs, the fault (MIL) light or Check-Engine warning light will illuminate, and the Powertrain Control Module (PCM) will store the fault information in memory. The fault code can be read from the PCM through a certain procedure. 3. Based on the prompt of the fault code, maintenance personnel can quickly and accurately determine the nature and location of the fault.

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