电子诊断技术在新能源汽车检测与维修中的应用

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中图分类号：U469.72 文献标识码：B 文章编号：1003-8639（2025）09-0170-03

The Application of Electronic Diagnostic Technology in the Inspection andMaintenanceofNewEnergyVehicles

GuShuaijie，LiuChaofei

（Ruzhou Polytechnic College，Ruzhou ， China）

【Abstract】To enhance the intelligent level of fault detectionand maintenance of new energy vehicles，taking typical power systemsand high-voltage electrical components as examples，theapplication mechanism of electronic diagnostic technology in multi-dimensionaldataacquisition，fault sourcetracing analysis and maintenance process control is studied.The key technical paths such as fault code parsing，data flow monitoring，waveform feature recognitionand remote diagnosis were analyzed.The results show that the diagnosis method based on standard communication protocols and time-domain and frequency-domain joint analysis cansignificantly improve the accuracy of fault location，while the remote diagnosis systemexpands thereal-time performance and regional adaptabilityof maintenance services.

【Key words】new energy vehicles； electronic diagnosis；CAN bus; remote monitoring

0 引言

随着新能源汽车在全球范围内加速推广，其动力系统与电控系统集成度显著提升，带来结构复杂性与故障隐蔽性的同步上升。（剩余3904字）