Removing and installing steering column electronics control unit J527 (manufacturer: Valeo) — VW

Removing and installing
steering column electronics control unit
J527
(manufacturer: Valeo)
Removing:
Caution
The removal and installation of individual components of the steering column switch must be performed in a specified sequence
Chapter
.
WARNING
Danger of triggering airbag!
Improper handling of the airbag unit may trigger the airbag!
Observe safety precautions when working on airbag
General body repairs, interior
Rep. gr.
69
Airbag; Safety precautions when working on airbag
.
Caution
To disconnect and reconnect the battery, the procedure described in the workshop manual should be strictly adhered to
Chapter
.
WARNING
Before beginning work on the electrical system or the removal of the steering wheel, the following conditions must be met:
The mechanic must electrostatically discharge himself or herself. This can be done by touching earthed metal such as a water pipe, a heating pipe, metal girders or a lifting platform
Chapter
.
Not heeding this warning can cause components to later fail during later operation!
Unbolt the earth strap from the battery
Electrical system
Rep. gr.
27
Battery; Disconnecting and connecting battery
.
The wheels must be in straight-ahead position.
Not heeding this warning can cause the airbag system to later fail during later operation!
Caution
The following work must not be carried out while the universal joint of the steering mechanism is disconnected or the
steering angle sender
G85
is removed:
Reconnecting battery
Switching on ignition
Turning steering mechanism
Turning steering column
These points must absolutely be heeded because otherwise, irreparable damage may be caused.
Disconnect battery
Chapter
.
Remove the following components in sequence (one after the other):
Remove steering wheel
General body repairs, interior
Rep. gr.
69
Airbag
.
Remove steering column trim
General body repairs, interior
Rep. gr.
68
Compartments, covers and trims; Removing and installing steering column trim
.
Depending on equipment level, release and detach connectors
1
,
2
,
3
and
4
.
Note
Coil connector on
steering column electronics control unit
J527
must not be twisted from its centre position. The front wheels must be in
“straight-ahead”
position.
Unscrew 3 securing bolts
arrows
and pull off
steering column electronics control unit
J527
backwards from steering column switch.
Installing:
Installation is carried out in the reverse order. When installing observe the following:
Caution
Turn signal switch reset lever can break when control unit is being installed.
Turn signal lever must be in 0 position when control unit is installed so that reset lever is not extended.
Push
steering column electronics control unit
J527
in a straight line onto steering column switch.
Screw 3 securing bolts of
steering column electronics control unit
J527
into steering column switch module and tighten to 1.5 Nm.
Install all components in reverse order of removal.