BT 075B Service Training
内容
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Audi CAN data bus(基础)
Gateway
驱动 CAN
舒适系统和信息娱乐系统 CAN
舒适系统和信息娱乐系统CAN的错误波形信号
终端电阻
数据块
故障存储
Standby current problems
驱动 CAN 的错误波形信号
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BT Service Training 075B
CAN 总线 CAN 总线
Controller
Area
Network
was developed by the
Robert BOSCH company in
1983
as a bus system for cars.
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网络控制单元数据交换
00/00
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BT
Service Training
075B
CAN data bus network
(CAN – Controller Area Network)
CAN 总线的特点 ? 传输速度快
? 相关控制单元可共用传感器
? 更少的线束、更小的控制单元,节省了空间
两根数据线缠绕可防止电磁干扰
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BT 075B Service Training
配线
S S S 最多45根配线 9 个插头 60 种配线变化
例如:停车灯
最多17根配
线 2 个插头 2种配线变化
A4 Predecessor D P A4 2001
D
P
左转向信号 右转向信号
P 58 ri 58 le 58 58 J 527
统 u
b
s
E 2 E 1 58 ri 58 le 系 N
适 A
J 285
E 1
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舒C
J 519
58 58le 58ri
58
J 218
M1
M4
X
M2 M3
M2 M3 M1 M4
X
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Status as of: 01/02
BT
Service Training
075B
CAN总线 Audi A4 2001 >
三条数据总线
CAN –驱动 CAN – 舒适 CAN – 信息娱乐
500 kBaud 100 kBaud 100 kBaud
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