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Where is the OBD interface of Citroen C4L?

1 Answers

DeElliott

07/29/25 6:26pm

The OBD interface of the Citroen C4L is located in front of the car's gear lever, near the USB interface and the cigarette lighter. By touching with your hand, you will find a small hole. Hook it with your finger and open the cover to find the car's OBD interface inside. Here is the relevant introduction: 1. Definition of OBD: The full English name of OBD is On-Board-Diagnostic, which means on-board automatic diagnostic system in Chinese. This interface can connect to a diagnostic computer to read the car's fault codes. It is an important interface in the car, and you should also pay attention to protecting this interface during use. 2. Function of OBD: The on-board automatic diagnostic system constantly monitors the operating conditions of the engine and the working state of the exhaust after-treatment system. Once it detects a situation that may cause excessive emissions, it will immediately issue a warning. When a fault occurs in the system, the fault lamp (MIL) or Check Engine warning light will illuminate, and the OBD system will store the fault information in the memory. Relevant information can be read in the form of fault codes through standard diagnostic instruments and diagnostic interfaces. Based on the prompts of the fault codes, maintenance personnel can quickly and accurately determine the nature and location of the fault.

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