【正文】 ....................................................................3 人工經(jīng)驗(yàn)診斷法的工作步驟 ........................................................................................3 人工 經(jīng)驗(yàn)診斷適用的故障類型 .......................................................................................4 3 故障碼診斷法 .......................................................................................................................5 故障碼診斷法的含義 .......................................................................................................5 故障碼診斷法的特點(diǎn) .......................................................................................................5 故障碼診斷法的工作步驟 ...............................................................................................5 故障碼的讀取與清除 ....................................................................................................5 故障碼的分析 ................................................................................................................8 故障碼診斷法適用的故障類型 .......................................................................................8 4 電路分析法 ...........................................................................................................................9 電路分析法的含義 ...........................................................................................................9 電路分析法的特點(diǎn) ...........................................................................................................9 電路分析法適用的故障類型 ...........................................................................................9 5 波形分析法 ......................................................................................................................... 11 波形分析法的含義 ......................................................................................................... 11 波形分析法的特點(diǎn) ......................................................................................................... 11 波形分析法診斷原理 .....................................................................................................12 汽車電 子信號(hào)的基本類型 ..........................................................................................12 汽車電子信號(hào)的判定依據(jù) ..........................................................................................12 波形分析法的診斷原理 ..............................................................................................13 波形分析法適應(yīng) 的故障類型 .........................................................................................13 利用示波器跟蹤記錄電器設(shè)備的工作過程分析故障 ..............................................13 利用示波器記錄低壓脈沖信號(hào)的工作過程分析故障 ..............................................14 利用示波器檢測(cè)異響波形分析 ..................................................................................14 6 數(shù)據(jù)流分析法 .....................................................................................................................16 數(shù)據(jù)分析法的含義 .........................................................................................................16 大學(xué)本科畢業(yè)論文 II 數(shù)據(jù)流分析法的特點(diǎn)及工作步驟 .................................................................................16 數(shù)據(jù)流分析法的特點(diǎn) ..................................................................................................16 數(shù)據(jù)流分析法的步驟 ..................................................................................................16 數(shù)據(jù)分析 方法適用的故障類型 .....................................................................................17 數(shù)值分析法 ..................................................................................................................17 時(shí)間分析法 ..................................................................................................................17 因果分析法 ..................................................................................................................18 關(guān)聯(lián)分析法 ..................................................................................................................18 比較分析法 ..................................................................................................................19 7 汽車電子控制系統(tǒng)故障診斷方法的發(fā)展趨勢(shì) .................................................................20 結(jié)論 .........................................................................................................................................21 參考文獻(xiàn) .................................................................................................................................22 致謝 .........................................................................................................................................24 1 緒論 1 1 緒論 汽車電子控制系統(tǒng)的產(chǎn)生 隨著社會(huì)的發(fā)展，汽車成 為人類密不可分的伙伴，現(xiàn)代的