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The door control units have a similar functionality to
those used in the Audi A8 ´03 and are used in the
Audi A6 ’05 with appropriately adapted functions
and actuation features.
The separate installation of the door control unit
and the power windows motor is new here.
Stand-by master function
As in the Audi A8 ´03, the door control unit on the
driver’s side J386 controls central locking if the
central control unit for the convenience system
J393 fails. If there is no co mmunic atio n b etw een the
driver’s-side door control unit J386 and the central
control unit for the convenience system J393, the
other door control units evaluate the information
from the driver’s-side door control unit directly.
In this case, it is no longer possible to open the
vehicle via remote control or Advanced Key.
Diagnosis
The address words 42, 52, 62 and 72 "Door
electronics" offer diagnostic options, such as
measured-block reading, coding or the selective /
sequential actuator test (the selective actuator test
is used for the targeted activation of actuators).
Versi on s
Low-Line and High-Line versions of the door control
units are used.
The High-Line version includes the following
functions, for example:
– Advanced Key
– Memory switch block
– Ambient lighting
–Area lighting
–Folding mirrors
– Automatic anti-dazzle mirror
– Electric child-lock
Installation position of driver’s-side door control unit J386326_139
Door control units J386 - J389
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System overview
Convenience electrics
– Power windows switch
– Internal locking switch
– Actuating elements for central locking
– Actuating elements for central locking
(Safe mode)
– Outer door handle switch (optional)
– Central locking button for outer door handle
– Boot release switch E164– Switch for remote unlocking and
filler flap E204
–Child-lock button E318
– Mirror adjustment change-over switch E48
–Mirror adjustment switch E43
– Mirror adjustment switch with
folding function E168
– Switch for alarm system off E217 (optional)
– Switch for passenger compartment monitoring
(optional) E183
Additional signals for front doors
– Operator unit for memory
– Mirror position sensor
Additional loads for driver’s door
– Contact switch in lock barrel
driver’s side F241
– Central locking motors
– Central locking motors (Safe mode)
– Door warning lights
–Entry lights
– Lighting for inside door handle
– Ambient lighting for doors (optional)Additional loads for front doors
– Mirror adjustment motors
– Mirror folding motors
– Heated door mirrors
– Automatic anti-dazzle mirror
– Entry light in door mirror,
driver’s side and passenger’s side
Additional loads for rear doors
–Lamp for rear ashtray lightAdditional loads for driver’s door
– Lock status LED for passenger’s door
– Indicator light for safe central locking
– Indicator light for tilt sensor K188
(optional)
– Indicator light for passenger compartment
monitoring deactivation K162 (optional)
– Indicator light for memory SET
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The door control units receive the following input signals:
The door control units activate the following loads:
