文件编号
YD-WI-GC-31
元丰液压ABS维修手册
编制部门
匹配部
版本/版次
A3
修订日期
2012.08.25
《元丰液压ABS维修手册》的最终解释权归武汉元丰汽车电控系统有限公司所有。
1
························································································································································· 1
图片与表格索引 ·········································································································································· 5
1. 说明与操作 ············································································································································· 7
1.1
本手册缩写英文释义 ························································································································· 7
1.2
维修注意事项 ···································································································································· 7
1.3
需要的基本知识 ································································································································ 9
1.3.1 基本电气电路 ···························································································································· 9
1.3.2 电路试验工具的使用 ················································································································· 9
2. ABS系统说明 ········································································································································ 10
2.1
液压控制单元(HCU ·················································································································· 10
2.1.1 泵、电机 ·································································································································· 11
2.1.2 防抱死制动系统(ABS)阀 ····································································································· 11
2.2
电子控制单元(ECU ··················································································································· 12
2.2.1 轮速传感器和齿圈 ··················································································································· 13
2.2.2 ABS报警灯(琥珀色) ············································································································· 16
2.2.3 EBD报警灯(红色 ················································································································ 16
2.2.4 制动开关 ·································································································································· 16
2.3
轮胎 ················································································································································ 16
2.3.1 小尺寸备胎 ······························································································································ 16
2.3.2 更换轮胎 ·································································································································· 17
2.4
防抱死制动模式 ······························································································································ 17
2.5
电子制动力分配模式 ······················································································································· 17
2.6
ABS组成布局图 ······························································································································· 18
2.7
液压图(ABS动作) ······················································································································· 19
2.8
ECU线束连接器引脚定义图ABS ····························································································· 20
2.9
模块安装介绍 ·································································································································· 21
2.10
ABS上的激光标示 ························································································································· 22
2.11
国际标准和日本标准接口 ············································································································· 23
文件编号
YD-WI-GC-31
元丰液压ABS维修手册
编制部门
匹配部
版本/版次
A3
修订日期
2012.08.25
《元丰液压ABS维修手册》的最终解释权归武汉元丰汽车电控系统有限公司所有。
2
3. 液压介质 ·············································································································································· 25
4. 储存 ······················································································································································ 26
4.1
储存时间(自生产日期起) ············································································································ 26
4.2
存储环境 ········································································································································· 26
5. ABS噪音 ··············································································································································· 27
5.1
系统自检声音 ·································································································································· 27
5.2
ABS起作用时的声音 ······················································································································· 27
5.3
如果系统自检时ABS起作用时的声音过大 ·················································································· 27
6. 决定更换ABS前建议完成以下验证步骤 ······························································································· 28
7. 产品退回元丰分析的相关要求 ·············································································································· 29
8. 诊断信息与流程 ··································································································································· 30
8.1
诊断前的检查 ·································································································································· 30
8.2
系统说明 ········································································································································· 30
8.3
清除诊断故障代 ·························································································································· 30
8.4
偶发性故障或接触不良 ··················································································································· 31
8.5
初始化顺序 ····································································································································· 31
8.6
诊断流程 ········································································································································· 31
8.6.1 无故障码时故障诊断 ··············································································································· 33
8.6.2 有故障代码时的故障诊断 ········································································································ 33
9. ECU没有通 ··································································································································· 35
9.1
电路说明 ········································································································································· 35
9.2
诊断帮助 ········································································································································· 35
10. ABS/EBD报警灯常灭&无诊断故障代码输出 ······················································································ 38
10.1 电路说明 ······································································································································· 38
10.2
诊断帮助 ······································································································································· 38
11. ABS/EBD 报警灯常亮&无诊断故障代码输出 ····················································································· 41
11.1
电路说明 ······································································································································· 41
11.2
诊断帮助 ······································································································································· 41
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