这就要求汽车制造商提供所需诊断信息，如诊断故障代码(DTC)和各种传感器读数。

This requires vehicle manufacturers to provide on-demand access to diagnostic information such as diagnostic Trouble Codes (DTC) and various sensor readings.

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说明在自诊断过程中产生的故障代码和在使用中读取、清除故障代码的过程，以及使用自诊断的注意事项。

He also introduces the DTC (Diagnostic Trouble Code) occurring in self-diagnosis, the process of DTC reading and clearing and the points for attention in use.

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系统功能包括控制单元版本查询，检索和清除故障代码，最终控制诊断，读取运行数据等等。

Functions include control unit version interrogation, recall and erase fault codes, final control diagnosis, read running values and so on.

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