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Removing and installing safety lock for active steering (locking solenoid) > < Checking steering column for damage

A4 Mk3

Removing and installing electronic steering column lock control unitJ764
Removing and installing electronic steering column lock control unit -J764-
Removing
  WARNING
Before removing the steering column, please note the following points:
Draw a sketch showing
t  the layout of the electrical wiring harnesses
t  the attachment of the electrical wiring harnesses
t  the fitting locations of the cable ties.
This applies particularly to the wiring harness for the electronic steering column lock control unit -J764-.
Before installing the steering column, please note the following points:
l  Restore the layout of the electrical wiring harnesses exactly as it was prior to removal.
l  Restore the attachments of the electrical wiring harnesses exactly as they were prior to removal.
l  All cable ties unfastened or cut open when removing the steering column must be re-attached in the same position when refitting it.
l  When adjusting the steering column, check that the wiring harness leading to the electronic steering column lock control unit -J764- is not trapped and does not come into contact with any sharp edges.
When renewing electronic steering column lock control unit -J764-, only the following components need to be detached from steering column:
t  Driver's airbag unit → Rep. gr.69
t  Steering wheel → Chapter
t  Steering column trim → Rep. gr.68
t  Necessary electrical wiring and connectors
–  Remove steering column → Chapter.
   
–  Remove bolt -1- and detach electronic steering column lock control unit-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 of steering column“
t  If only electronic steering column lock control unit -J764- has been renewed, original bolt for securing control unit can be re-used.
t  If steering column has been renewed, remove protective cover and use securing bolt fitted in new steering column to secure electronic steering column lock control unit -J764-.
  A48-10416
–  When installing electronic steering column lock control unit, insert lug -arrow A- into groove -arrow B- on steering column.
  A48-10417
–  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 electronic steering column lock control unit -J764--1- does not become trapped and does not come into contact with sharp edges when steering column is adjusted.
–  If electronic steering column lock control unit -J764- has been renewed, further steps are necessary using → Vehicle diagnostic, testing and information system VAS 5051. 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 diagnosis, testing and information system -VAS 5051 B- to rectify the fault. The system may need to be recalibrated → Chapter.
  A48-10505

Removing and installing safety lock for active steering (locking solenoid) > < Checking steering column for damage