电路图册
EC220 2018
电路图
版本:7.2018
目录
电路图识图说
............................................................................................................................................................................ 2
电路诊断和维修说明
..................................................................................................................................................................... 3
1
电路诊断和维修基本流程
............................................................................................................................................................. 3
1.1
确认故障现象
.......................................................................................................................................................................... 3
1.2
电路分
................................................................................................................................................................................. 3
1.3
电路及电气元件检查
................................................................................................................................................................ 3
1.4
故障维
................................................................................................................................................................................. 3
1.5
验证电路是否正常工
............................................................................................................................................................ 3
2
故障诊断设备
.............................................................................................................................................................................. 3
2.1
电压表及测试
....................................................................................................................................................................... 3
2.2
自带电源的测试灯及电阻表
..................................................................................................................................................... 4
2.3
带保险丝的跨接线
................................................................................................................................................................... 4
2.4
故障分
................................................................................................................................................................................. 4
3
故障检
..................................................................................................................................................................................... 4
3.1
电压检
................................................................................................................................................................................. 4
3.2
通电测
................................................................................................................................................................................. 5
3.3
短路测
................................................................................................................................................................................. 5
3.4
电压降测试
.............................................................................................................................................................................. 5
4
电路维修设备
.............................................................................................................................................................................. 6
4.1 5KΩ
可变电
......................................................................................................................................................................... 6
4.2 LED
测试灯
............................................................................................................................................................................. 6
4.3
气囊检测座
.............................................................................................................................................................................. 6
4.4
探针
........................................................................................................................................................................................ 6
4.5
端子修理工具
.......................................................................................................................................................................... 6
5 接插件端子维修 ........................................................................................................................................................................... 7
5.1 取出端子插销 .......................................................................................................................................................................... 7
5.2 用线束维修工具拨开导线卡 .................................................................................................................................................. 7
5.3 将导线从后方拔出 ................................................................................................................................................................... 7
元件符号及缩略语 ......................................................................................................................................................................... 8
1 元件符 ..................................................................................................................................................................................... 8
2 缩略 ......................................................................................................................................................................................... 9
保险丝和继电器盒 ........................................................................................................................................................................ 10
1 机舱电器盒 (FB) ......................................................................................................................................................................... 10
插头视 ......................................................................................................................................................................................10
2 智能电器盒 (IB) .......................................................................................................................................................................... 11
插头视 ...................................................................................................................................................................................... 11
3 仪表板保险丝 (SB) ..................................................................................................................................................................12
电源分配图 .................................................................................................................................................................................. 14
1 蓄电池保险 / 仪表板保险丝盒电源分配图 ................................................................................................................................ 14
2 机舱电器盒电源分配图 ...............................................................................................................................................................16
3 智能电器盒电源分配图 ...............................................................................................................................................................18
接地点汇总 .................................................................................................................................................................................. 20
1 (G101/G102/G103/G104/G105/G106)前舱线束接地 ..............................................................................................................20
2 (G201/G202/G203/G204)仪表线束接地 ................................................................................................................................. 22
3 (G301/G302/G303/G304/G305)底板线束接地 .......................................................................................................................24
接地点位置 ...............................................................................................................................................................................26
1 前舱线 ....................................................................................................................................................................................26
2 仪表线 .................................................................................................................................................................................... 27
3 底板线 .................................................................................................................................................................................... 28
线束插头位置图 ...........................................................................................................................................................................29
1 整车高压线束 .............................................................................................................................................................................29
2 整车线 ....................................................................................................................................................................................30
3 前舱线 .................................................................................................................................................................................... 31
4 仪表线 .................................................................................................................................................................................... 32
5 底板线 .................................................................................................................................................................................... 33
6 /左前门 左后门线束 ....................................................................................................................................................................34
7 右前门 / 右后门线束 ...................................................................................................................................................................35
8 后背门线束 ................................................................................................................................................................................. 36
9 后保险杠线束 .............................................................................................................................................................................37
10 顶棚线束 ..................................................................................................................................................................................38
插头针脚定义 ............................................................................................................................................................................... 39
1 左前门线束 ................................................................................................................................................................................. 39
左前门玻璃升降电机 (D01) ........................................................................................................................................................... 39
左前门扬声器 (D02) .....................................................................................................................................................................39
左前门锁电机 (D03) .....................................................................................................................................................................39
左前门电动窗开关 (D04) ..............................................................................................................................................................39
左前外后视镜 (D05) .....................................................................................................................................................................39
2 右前门线束 ................................................................................................................................................................................. 40
右前门玻璃升降电机 (D06) ........................................................................................................................................................... 40
右前门扬声器 (D07) .....................................................................................................................................................................40
右前门锁电机 (D08) .....................................................................................................................................................................40
右前门电动窗开关 (D09) ..............................................................................................................................................................40
右前外后视镜 (D10) .....................................................................................................................................................................40
3 左后门线束 ................................................................................................................................................................................. 41
左后门扬声器 (D11) ......................................................................................................................................................................41
左后门锁电机 (D12) .....................................................................................................................................................................41
左后门玻璃升降电机 (D13) ........................................................................................................................................................... 41
左后门电动窗开关 (D14) ..............................................................................................................................................................41
4 右后门线束 ................................................................................................................................................................................. 42
右后门扬声器 (D15) .....................................................................................................................................................................42
右后门锁电机 (D16) .....................................................................................................................................................................42
右后门玻璃升降电机 (D17) ........................................................................................................................................................... 42
右后门电动窗开关 (D18) ..............................................................................................................................................................42
5 后背门线束 ................................................................................................................................................................................. 43
高位制动灯 (T01) .........................................................................................................................................................................43
左牌照(T02) .............................................................................................................................................................................43
右牌照 (T03) ............................................................................................................................................................................. 43
倒车摄像头 (T04) .........................................................................................................................................................................43
6 顶棚线 ....................................................................................................................................................................................43
前顶灯 (R01) ................................................................................................................................................................................ 43
7 后保险杠线束 .............................................................................................................................................................................43
右后雾(M01) ............................................................................................................................................................................43
右倒车雷达探 (M02) ................................................................................................................................................................. 44
左倒车雷达探 (M03) ................................................................................................................................................................. 44
左后雾 (M04) ............................................................................................................................................................................44
8 前舱线 ....................................................................................................................................................................................44
智能电器盒 E(U01).......................................................................................................................................................................44
智能电器盒 G(U02) ......................................................................................................................................................................44
智能电器盒 F(U03) ....................................................................................................................................................................... 44
制动灯开关 (U04) .........................................................................................................................................................................45
电子加速踏板 (U05) .....................................................................................................................................................................45
前雨刮电机 (U06) ......................................................................................................................................................................... 45
MCU (U07) .................................................................................................................................................................................. 45
右前轮速传感(U08) .................................................................................................................................................................. 45
ABS (U09) ...................................................................................................................................................................................46
前洗涤电机 (U10) .........................................................................................................................................................................46
右前组合灯 (U11) ......................................................................................................................................................................... 46
制动液位传感器开关 (U12) ........................................................................................................................................................... 46
空调三态压力开关 (U13) ..............................................................................................................................................................46
DC-DC/CHG (U14)电源 ..............................................................................................................................................................47
真空泵控制器 (U15) .....................................................................................................................................................................47
压缩机控制器 (U16) .....................................................................................................................................................................47
DC-DC/CHG (U17)一体机 ........................................................................................................................................................... 47
高压控制盒 (U18) .........................................................................................................................................................................47
电机温度传感 (U19) .................................................................................................................................................................. 47
MCU (U20)........................................................................................................................................................................... 48风扇
电机速度检测传感器 (U21) ........................................................................................................................................................... 48
BMS(U22) .................................................................................................................................................................................... 48
左前轮速传感 (U23) .................................................................................................................................................................. 48
机舱电器盒 (U24) .........................................................................................................................................................................48
机舱电器盒 B(U25)....................................................................................................................................................................... 48
机舱电器盒 A(U26)....................................................................................................................................................................... 49
机舱电器盒 D(U27) ......................................................................................................................................................................49
机舱电器盒 E(U28).......................................................................................................................................................................49
左前组合灯 (U29) ......................................................................................................................................................................... 49
冷却风 (U30) ............................................................................................................................................................................50
低速行人预警 (U31) .....................................................................................................................................................................50
高音喇(U32) ............................................................................................................................................................................50
9 仪表线 .................................................................................................................................................................................... 50
智能电器盒 B(I01) ........................................................................................................................................................................50
智能电器盒 C(I02) ........................................................................................................................................................................50
智能电器盒 D(I03) ........................................................................................................................................................................51
仪表板保险丝 A(I04) .................................................................................................................................................................51
仪表板保险丝 C(I05) ................................................................................................................................................................. 51
OBD (I06)诊断接 .....................................................................................................................................................................51
行人警示开关 (I07) .......................................................................................................................................................................51
组合仪 (I08) .............................................................................................................................................................................. 52
点火开 (I09) .............................................................................................................................................................................. 52
组合开关(雨刮)(I10) ................................................................................................................................................................. 52
EPS-1(I11) ................................................................................................................................................................................... 52
EPS-2(I12) ...................................................................................................................................................................................53
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