Volkswagen The Golf 2004 Service Training page 38

Onboard power supply
The convenience system central control unit J393
Fitting location
The convenience system central control unit can
be found beneath the dash panel, on the right
behind the glove compartment.
Tasks
Control of central locking function
Actuation of rear doors
Actuation of tank flap release
Actuation of tailgate lock release
Actuation of anti-theft alarm system via
LIN data bus
The mirrors were controlled until now via the
convenience system central control unit.
The door control units now control all systems in
the area of the doors, which reduces the amount
of wiring.
The convenience system central control unit is the
master control unit in the LIN data bus, via which
data transfer for the anti-theft alarm system is
carried out. Included in the anti-theft alarm
system are interior monitoring sensors, intelligent
sirens and the vehicle inclination sensor.
Depending on the version, some of the sockets
may not be occupied in the convenience system
central control unit.
38
S319_064