Steering column electronics control unit J527 ► 10.2009 — VW

Steering column electronics control unit
J527
► 10.2009
Coding
steering column electronics control unit
J527
Anchor
.
Note
After new control unit has been installed, it must be coded
Anchor
.
In the event of faults in the steering column switch, the coding of the control unit must be checked
Anchor
.
Removing:
Disconnect battery
Chapter
.
WARNING
Danger of triggering airbag!
Improper handling of the airbag unit may trigger the airbag!
Observe safety measures when working on the airbag
Technical data
Rep. gr.
00
Safety instructions; Airbag safety instructions
.
Remove steering wheel
Steering
Rep. gr.
48
Steering wheel; Removing and installing steering wheel
.
Remove steering column trim
Interior equipment
Rep. gr.
68
Storage compartments/covers; Removing and steering column trim
.
Remove securing bolt
2
on
steering column electronics control unit
J527
1
.
Release connector
1
on right side of control unit by pressing the release button
2
in direction of arrow and pull connector
1
off
steering column electronics control unit
J527
3
.
Release connectors
2
and
3
on left side of control unit by pressing the release buttons
4
and pull connectors
2
and
3
off
steering column electronics control unit
J527
1
.
Release fasteners
arrows
on right side of
steering column electronics control unit
J527
.
Release fastener
arrow
on left side of
steering column electronics control unit
J527
.
Carefully pull
steering column electronics control unit
J527
downwards off
steering column combination switch
E595
.
Note
The connectors for
airbag coil connector and return ring with slip ring
F138
and steering angle sensor segment sender will be disconnected automatically when pulling off.
Release connector
1
by pulling on securing button
arrow A
and pull connector
1
off
steering column electronics control unit
J527
.
Pull locking bar
3
out of connector
2
.
Unclip
arrow B
connector
2
and disconnect from
steering column electronics control unit
J527
.
Installing:
Installation is carried out in the reverse order. When installing observe the following:
Note
Ensure when fitting the connector that none of the pins get bent and that the connector engages audibly.
Coding
steering column electronics control unit
J527
Connect
vehicle diagnostic tester
Chapter
.
Select
“Guided fault finding”
mode in
vehicle diagnostic tester
.
Using
“GoTo”
button, select
“Functions/component”
and the following menu options in succession:
Body
Electrical system
01 - On Board Diagnostic capable systems
Steering wheel electronics
Steering wheel electronics functions
Coding steering wheel electronics control unit