Can Bus System - Audi A4 2001 Owner's Manual

Electrical system
CAN BUS networking
Diagnosis system
J220
J217
J104
J234
NOX sensor
(USA only)
J527
G85
The ignition switch signals and the
control buttons for multifunction
and "tiptronic" steering wheel are
registered via the steering column
electronics.
38
J285
Gate-
way
J386
J388
J393
E87
J345
J519
J527
J387
J389
J502
J162
J446
J136
J453
J507
R99
J499
J526
TRACK
SEEK FR FF
EJECT
TUNE SCAN
CD CDC 1 2 3 4 5 6 AS
AM TP
1 2
EJECT Audi symphony DOLBY SYSTEM
1 FM 2 RDS
BASS MIDDLE TREBLE BALANCE FADER
PLAY SDE
TAPE RANDOM
R
J401
J402
R94