| 丰田皇冠3．0轿车发动机控制单元故障诊断 |
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| 引用本文： | 余志兵,谢锐波.丰田皇冠3．0轿车发动机控制单元故障诊断[J].汽车电器,2008(12):45-46. |
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| 作者姓名： | 余志兵 谢锐波 |
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| 作者单位： | 韶关学院汽车系,广东,韶关,512005 |
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| 摘 要： | 一辆丰田皇冠3．0轿车，由于发动机控制单元中电解电容漏液，腐蚀控制单元线路板上的敷铜箔线，使EFI主继电器无正常的工作电压，导致发动机无法起动。分析故障原因，介绍故障检查过程及排除故障的方法。
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| 关 键 词： | 敷铜箔线 电解电容 漏液 故障诊断 |
Analysis to Fault of Engine ECU on CROWN 3.0 |
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| YU Zhi-bing,XIE Rui-bo.Analysis to Fault of Engine ECU on CROWN 3.0[J].Auto Electric Parts,2008(12):45-46. |
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| Authors: | YU Zhi-bing XIE Rui-bo |
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| Institution: | (Shaoguan Univeity, Shaoguan 512005, China) |
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| Abstract: | A CROWN 3.0 can not be started because the leakage liquid from electrolytic capacitor in engine ECU has eroded the copper foil cord on the ECU board, thus making the EFI main relay have no normal working voltage. The author analyses the trouble cause and introduces the trouble detection procedure and the troubleshooting way. |
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| Keywords: | copper foil cord electrolytic capacitor leakage liquid trouble diagnosis |
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