Removing and installing control unit for electronic steering column lock J764 — AUDI

Removing and installing
control unit for electronic steering column lock
J764
Special tools and workshop equipment required
Torque wrench
V.A.G 1783
Removing
WARNING
Before removing the steering column, please note the following points:
Draw a sketch showing
the layout of the electrical wiring harnesses
the attachment of the electrical wiring harnesses
the fitting locations of the cable ties.
This applies particularly to the wiring harness for the
control unit for electronic steering column lock
J764
.
Before installing the steering column, please note the following points:
Restore the layout of the electrical wiring harnesses exactly as it was prior to removal.
Restore the attachments of the electrical wiring harnesses exactly as they were prior to removal.
All cable ties unfastened or cut open when removing the steering column must be re-attached in the same position when refitting it.
When adjusting the steering column, check that the wiring harness leading to the
control unit for electronic steering column lock
J764
is not trapped and does not come into contact with any sharp edges.
When renewing
control unit for electronic steering column lock
J764
, only the following components need to be detached from the steering column:
Airbag (driver side)
General body repairs, interior
Rep. gr.
69
Airbag (driver side); Removing and installing airbag unit with igniters
Steering wheel
Chapter
Steering column trim
General body repairs, interior
Rep. gr.
68
Shelves / trim panels; Exploded view - steering column trim
.
Necessary electrical wiring and connectors
Remove steering column
Chapter
.
Remove bolt
1
and detach
control unit for electronic steering column lock
2
.
WARNING
After removing the control unit, make sure no dirt or foreign bodies get into the steering column.
Installing
Installation is carried out in the reverse sequence. Note the following points:
Tightening torque
Chapter
“
Exploded view - steering column
”
If only
control unit for electronic steering column lock
J764
2
has been renewed, original bolt
1
for securing control unit can be re-used.
If steering column has been renewed, use bolt
1
fitted in new steering column for securing
control unit for electronic steering column lock
J764
2
.
To install
control unit for electronic steering column lock
, insert lug
arrow A
into groove
arrow B
on steering column and press
control unit for electronic steering column lock
firmly onto steering column by hand.
When entire surface of
control unit for electronic steering column lock
2
makes flush contact with the steering column, fit bolt
1
and tighten.
After plugging in connector
2
, make sure wiring harness
3
is secured by clip
5
at the appropriate location.
Check that wiring harness
3
leading to
control unit for electronic steering column lock
J764
1
does not become trapped and does not come into contact with sharp edges when steering column is adjusted.
If
control unit for electronic steering column lock
J764
has been renewed, further steps are necessary using
vehicle diagnostic tester
. Select the relevant program in
“Guided Functions”
and follow the instructions on the screen.
If warning lamp for
steering angle sender
G85
lights up in the instrument cluster after renewing, use
“Guided Fault Finding”
function on
vehicle diagnostic tester
to rectify the fault. The system may need to be recalibrated
Chapter
.