Removing and installing operating unit, Climatronic control unit J255 — AUDI

Removing and installing operating unit,
Climatronic control unit
J255
Note
The Audi R8 Spyder is only to be fitted with an operating unit,
Climatronic control unit
J255
with software as of version
“080”
(the control modifications for the Spyder are only incorporated in this version onwards). The new software has been introduced into production with no alteration to the part number
Vehicle diagnostic, testing and information system
VAS 5051/
, "Guided fault-finding" function
and
Electronic parts catalogue
.
Removing
If the operating unit,
Climatronic control unit
J255
is to be replaced, interrogate the encoding and adaption of the operating unit,
Climatronic control unit
J255
by way of the
“Control unit replacement”
function in the
“Guided fault-finding”
routine
Vehicle diagnostic, testing and information system
VAS 5051/
, "Guided fault-finding" function
.
Heed the general information
Chapter
.
Switch off the ignition.
Remove the right centre console side trim
Rep. gr.
68
.
Insert a narrow screwdriver
C
through the opening in the front centre console and press back the retaining spring
B
.
Pull the operating unit,
Climatronic control unit
J255
A
out of the front centre console
arrow
.
Release the fasteners at the connector
E
and unplug this.
Carefully turn the operating unit,
Climatronic control unit
J255
F
through 180°.
Release the connectors
A ... D
by pressing the retainer tabs
G
and unplug the connectors.
Installing
Install in reverse order, paying attention to the following:
On the Audi R8 GT, fit a button with no function in place of the heated rear window button if applicable
Chapter
“
Fitting a button with no function in
J255
in place of the heated rear window button
”
Note
The Audi R8 GT is not fitted with a
heated rear window
Z1
. To prevent activation of the
Z1
actuation function in the operating unit,
Climatronic control unit
J255
,
J255
has a button with no function instead of a
“heated rear window ”
button.
When replacing an operating unit,
Climatronic control unit
J255
, attention must be paid to the exact assignment
Electronic parts catalogue
.
Fit the operating unit,
Climatronic control unit
J255
.
Fit the right centre console side trim
Rep. gr.
68
.
Always perform the following operations after replacing / fitting the operating unit,
Climatronic control unit
J255
Vehicle diagnostic, testing and information system
VAS 5051/
, "Guided fault-finding" function
.
Perform encoding or check the encoding.
Implement basic setting.
Interrogate the event recorder (and eliminate the cause of any faults displayed).
Check the adaption.
Perform final control diagnosis if necessary.
Chapter
“
Fitting a button with no function in
J255
in place of the heated rear window button
”