Specifications

25
Tasks of the convenience system central
control unit J393
The convenience system central control unit J393
of the Audi TT Coupé ’07 is based on the
convenience system control unit in the Audi A3 ’04.
Its range of functions has been extended to include
an "electrically adjustable rear spoiler" function.
Convenience system central control unit J393 has
the following tasks:
● Central locking master
● Anti-theft alarm system master
● LIN master for communication with the
components of the antitheft alarm system
● Control of the "electrically adjustable rear
spoiler"
● Activation of the luggage compartment lights
● Read-in of the handbrake contact switch
● Data exchange with other control units across
the convenience CAN bus
● Self-diagnosis and diagnosis of connected
components
In the Audi TT Coupé ´07, the convenience system
central control unit J393 is located at the rear right
on a control unit holder. It is located directly under
the parking aid control unit J446, if installed in the
vehicle.
Convenience system central control unit J393
382_003
382_001