Subaru Legacy IV (2008 year). Manual - part 920

VDC-18

Steering Angle Sensor

VEHICLE DYNAMICS CONTROL (VDC)

6. Steering Angle Sensor

A: REPLACEMENT

CAUTION:
• Do not perform the removal except when the
replacement.
• When replacing three times or more, replace
the combination switch as assembly to protect
the threads.
1) Set the steering wheel in a straight-ahead posi-
tion.
2) Disconnect the ground cable from battery.
3) Remove the airbag module.
<Ref. to AB-14, REMOVAL, Driver’s Airbag Mod-
ule.>

WARNING:
Always refer to “Airbag System” when perform-
ing the airbag module repair service.
<Ref. to AB-4, CAUTION, General Description.>
4) Remove the steering wheel.
<Ref. to PS-13, REMOVAL, Steering Wheel.>
5) Remove the screws and remove the steering
column lower cover.
6) Remove the two screws securing the steering
column upper cover.
7) Disconnect the connector of paddle shift assem-
bly. (Model with paddle shift)

8) Remove the paddle shift assembly. (Model with
paddle shift)

9) Disconnect the connector of roll connector and
steering angle sensor.
10) Remove the screws which secure the roll con-
nector to steering column.

11) Remove the vinyl tape binding the harness,
and remove the steering angle sensor from roll
connector.

CS-00728

CS-00729

VDC00207

VDC00208

VDC-19

Steering Angle Sensor

VEHICLE DYNAMICS CONTROL (VDC)

12) Turn the protrusion portion of new steering an-
gle sensor to match the alignment mark of inspec-
tion hole.

CAUTION:
Be careful not to allow foreign matter to enter
into inspection hole.
13) Align the center of roll connector.
<Ref. to AB-25, INSTALLATION, Roll Connector.>
14) Apply the grease provided with the new part on
the four locations of the protrusion on the steering
angle sensor.

15) Align the position of the protrusion and install
roll connector to steering angle sensor.

Tightening torque:

0.5 N·m (0.05 kgf-m, 0.36 ft-lb)

16) Install the roll connector to combination switch
and bind the harness with vinyl tape as originally
bound.

17) Install the paddle shift. (Model with paddle shift)
18) Install the steering wheel.
<Ref. to PS-13, INSTALLATION, Steering Wheel.>

Tightening torque:

44 N·m (4.5 kgf-m, 32.5 ft-lb)

19) Install the airbag module to the steering wheel.
<Ref. to AB-14, INSTALLATION, Driver’s Airbag
Module.>

WARNING:
Always refer to “Airbag System” before per-
forming the service operation.
<Ref. to AB-4, CAUTION, General Description.>
20) Connect the ground cable to battery.

CAUTION:
After completion of installation, adjust the fol-
lowing two positions.
• Positioning to the center of steering angle
sensor
• Positioning the yaw rate & lateral G sensors
to zero
The above procedure is required for the VDC-
CM to identify vehicle position afterward. For
the setting procedures of the 2 steps above, re-
fer to “VDC Control Module and Hydraulic Con-
trol Unit (VDCCM&H/U)”. <Ref. to VDC-11,
ADJUSTMENT, VDC Control Module and Hy-
draulic Control Unit (VDCCM&H/U).>

(1) Protrusion portion

(2) Inspection hole

(3) Alignment mark

(1) Grease application location

VDC00209

(1)

(2)

(3)

ABS00435

(1)

VDC00208

VDC00207

VDC-20

Front ABS Wheel Speed Sensor

VEHICLE DYNAMICS CONTROL (VDC)

7. Front ABS Wheel Speed 

Sensor

A: NOTE

Vehicles equipped with VDC have the same ABS
wheel speed sensor as installed on vehicles
equipped with ABS. Refer to “Front ABS Wheel
Speed Sensor” for removal, installation and inspec-
tion procedures.
<Ref. to ABS-13, Front ABS Wheel Speed Sen-
sor.>

VDC-21

Rear ABS Wheel Speed Sensor

VEHICLE DYNAMICS CONTROL (VDC)

8. Rear ABS Wheel Speed Sensor

A: NOTE

Vehicles equipped with VDC have the same ABS
wheel speed sensor as installed on vehicles
equipped with ABS. Refer to “Rear ABS Wheel
Speed Sensor” for removal, installation and inspec-
tion procedures.
<Ref. to ABS-15, Rear ABS Wheel Speed Sen-
sor.>