診斷技術(shù)在新能源汽車研發(fā)中的應(yīng)用與創(chuàng)新

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中圖分類號：U469.72 文獻(xiàn)標(biāo)識碼：A 文章編號：1003-8639（2025）07-0019-04

ApplicationandInnovationofDiagnostic TechnologyintheResearch andDevelopmentofNewEnergyVehicles

Qiu Lin

（Gac Aion New Energy Automobile Co.，Ltd.，Guangzhou 5114Oo，Chinε

【Abstract】With the rapid development of intelligence and networking，thenumber and complexity of electronic andelectrical controlunits（ECUs）innew energyvehicles havemultiplied.ItisparticularlyimportantthatECU can quickly findthecause incaseoffailure.Diagnosis technology isaspecific method toconfirm thecause of vehicle ECU fault.Thispapertakes diagnosistechnologyastheresearchobject.Firstly，thedevelopmentofUDSprotocol for automotivediagnosisisintroduced，andthecontentofUDSprotocolisclarified.Secondly，itexplainshowtousethe diagnosticUDSprotocolforthedevelopmentanddesignofAutomotiveECU，andfurtherexplainshowtomeet the requirementsof vehicle factoryoff-lineelectrical inspection，after-salesservice，software upgradeandotherapplication scenarios.Finall，thenewdevelopmentof diagnosistechnologyinautomotiveremoteserviceisprospected.Through this design，wecan fuly grasp theapplyof diagnosis technologyin theautomotivedesignand development，and play a positive role inimproving ECU fault diagnosisand safetyperformance.

【Key words】UDS diagnostic protocol；diagnostic techniques；factoryofline diagnosis；after sales service；fault diagnosis；intellectualization

1車輛診斷USD協(xié)議發(fā)展介紹

從20世紀(jì)80年代和90年代開始，汽車制造商開始引入車載自診斷（ 0n -BoardDiagnostics，OBD）系統(tǒng)，用于監(jiān)測和診斷車輛的運(yùn)行狀況。（剩余5579字）