Volkswagen Jetta / Bora: Electrical System Manual - part 56

When removing the steering column switch, observe that no metal

shavings/swarf enter the steering column switch when drilling out

the shear head bolts.

Removing:
For removal of the complete steering column switch, inc. base

module, the switch is dismantled and the steering lock housing is

also removed. For assembly of the steering lock housing, new

shear head bolts are required. Even if just one component of the

steering column switch is removed or renewed, the sequence de‐

scribed as follows must be observed.
– Disconnect the battery 

⇒ page 29

 .

Gr.  69 ; Airbag; Removing and installing steering wheel .

– Remove steering column trim ⇒  General body repairs, interior;

Rep. Gr.  68 ; Compartments, covers and trim; Removing and

installing steering column switch trim .

Remove components of steering column switch in the sequence

as follows:
♦ Steering column electronics control unit -J527- 

⇒ page 221

♦ Airbag coil connector and return ring with slip ring -F138-

⇒ page 223

♦ Steering angle sender -G85- 

⇒ page 224

♦ Turn signal switch 

⇒ page 224

♦ Windscreen wiper switch -E- 

⇒ page 225

♦ Steering column switch base 

⇒ page 226

Installing:
Install in reverse order of removal.

9.2.1

Removing and installing steering col‐

umn electronics control unit -J527-

Note

♦

After new control unit has been installed, it must be coded

⇒ “9.3  Steering column electronics control unit J527 ”,

page 227

 .

♦

In the event of faults in the steering column switch, the coding

of the control unit must be checked 

⇒ page 227

 .

Jetta 2005 ➤ , Bora 2006 ➤

9. Steering column switch    

221

hole -arrow 1- in steering column electronics control unit -

J527- to release the locking tab -arrow 2-.

– Using a screwdriver, press against the rear securing clip

-arrow- of the steering column electronics control unit -J527- .

– Carefully pull the steering column electronics control unit -

J527- downwards off the steering column switch.

– Unclip -arrow A- connector -1- and separate from steering col‐

umn electronics control unit -J527- .

– Remove locking device -3- out of connector.
– Unclip -arrow B- connector -2- and separate from steering col‐

umn electronics control unit -J527- .

Installing:
Installation is performed in the reverse order of installation; when

doing this, note the following:

Note

Ensure when fitting the connector that none of the pins become

bent and that the connector can be heard to engage.

Jetta 2005 ➤ , Bora 2006 ➤

222

Removing and installing coil connector

for airbag and reset ring with slip ring -

F138-

Removing:

Note

The coil connector should not be moved out of the central position

during removal and the road wheels should be in the “straight

ahead” position.

– Lift up locking tabs -arrows- on coil connector -1- slightly and

pull coil connector backwards off steering column and steering

column switch.

Installing:
Installation is performed in the reverse order of installation; when

doing this, note the following:

Note

For installation of the coil connector, the coil connector must be

in the central position and the road wheels must be in the “straight

ahead” position.

The central position (depending on manufacturer) of the coil con‐

nector is shown in the following diagram:

♦ The coloured strip (black rectangles) -arrow- must be in view

-1-.

♦ The coloured strip (yellow) -arrow- must be in view -1-.

Note

If a new steering angle sensor -G85- is installed, this procedure

must be followed by a “basic setting” 

⇒ page 228

 .

Jetta 2005 ➤ , Bora 2006 ➤

9. Steering column switch    

223

Removing and installing steering angle

sensor -G85-

Removing:
– Pull the steering angle sender -G85- -1- backwards and away

from the steering column switch -arrow-.

Installing:
Install in reverse order of removal.

9.2.4

Removing and installing turn signal

switch

Note

♦

The “turn signal switch” comprises of the following compo‐

nents turn signal switch -E2- , headlight dipper/flasher switch

-E4- and, if fitted with cruise control system cruise control sys‐

tem switch -E45-

♦

For reasons of clarity, the steering column switch is shown with

cruise control system switch -E45- .

Removing:
– Release retaining clips -arrows- using a 1.0 mm feeler gauge

-1- and take “turn signal switch” off backwards.

Installing:
Installation is performed in the reverse order of installation; when

doing this, note the following:

Note

The “turn signal switch” should be heard to engage.

Jetta 2005 ➤ , Bora 2006 ➤

224