| 利用示波器诊断电控发动机的疑难故障(Ⅰ) |
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| 引用本文： | 程言昌. 利用示波器诊断电控发动机的疑难故障(Ⅰ)[J]. 汽车技术, 1996, 0(1) |
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| 作者姓名： | 程言昌 |
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| 作者单位： | 南京香港长江有限公司 |
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| 摘 要： | 阐述了电控发动机电子控制系统输入、输出设备的基本原理，以及一般电控发动机故障的诊断方法。着重陈述了采用示波器测出驱动脉冲，迅速诊断发动机电控系统疑难故障的方法，并列举了使用BS4320型，20MHZ双道示波器诊断丰田、日产、马自达三大公司高级轿车电控发动机疑难故障的实例。
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| 关 键 词： | 电子控制汽油喷射式发动机 示波器 故障 |
Diagnosis of Puzzling Trouble for Electronic-controlled Engine by Means of Oscilloscope |
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| Cheng Yanchang. Diagnosis of Puzzling Trouble for Electronic-controlled Engine by Means of Oscilloscope[J]. Automobile Technology, 1996, 0(1) |
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| Authors: | Cheng Yanchang |
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| Affiliation: | Cheng Yanchang |
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| Abstract: | The paper presents fundamental principle of input and output equipments of electronical control system of electronic-controlled engine and diagnosis method for common trouble of electronic-controlled engine. It emphasizes the method of quick diagnosing puzzling trouble of engine electronical control system by measuring impulsive driving signal with oscilloscope. Practical puzzling troubles of electronic-controlled engines diagnosed by means of a tnodec BS4320 dual channel oscilloscope of 20 MHZ for the TOYOTA,NISSAN and MAZDA limousines are listed also. |
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| Keywords: | Electronic-controlled gasolene injection engine Oscilloscope Trouble |
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