Lin Data Bus - Volkswagen The Golf 2004 Service Training

LIN data bus

The LIN data bus as sub data bus system
Local Interconnect Network (LIN) defines a local
system in which all associated components within
a specific area are located.
The local sub-system is a cost effective version
of CAN data bus.
The defined consumer interface makes simple
exchange of the connectors possible.
Bus connection in crash area
Bus connection in critical safety areas
The LIN bus system
J400
J519
Key
E221 Operating unit in steering wheel
G273 Interior monitoring sensor
G384 Vehicle inclination sender
G397 Rain and light detector sensor
H8 Anti-theft alarm system horn
16
G397
J527 E221
Information is exchanged in the LIN data bus
system via a master control unit and up to
16 slave control units.
Communication is initiated only by the master.
Slave control units cannot communicate
independently.
Several independent LIN data buses can be
installed in the vehicle with different functions.
Information is exchanged between the individual
bus systems via the master control units
connected to the CAN data bus.
G273 G384
J393
J393 Convenience system central control unit
J400 Wiper motor control unit
J519 Onboard power supply control unit
J527 Steering column electronics control unit
H8
S319_007