Subaru Legacy 2002 Service Manual page 2115

VDC
B: INSTALLATION
Install in the reverse order of removal.
CAUTION:
After completion of installation procedure, the
following two position settings must be made.
¼ Steering angle sensor center positioning
¼ Yaw rate and lateral G sensor 0 positioning
These procedures are necessary for VDCCM to
later recognize what position the vehicle is in.
For procedures for the above two settings,
<Ref. to VDC-10, ADJUSTMENT, VDC Control
Module (VDCCM).>.
C: INSPECTION
Check the VDCCM identification mark.
(1) Specification mark
Vehicle specifications
Except OUTBACK
LHD Except 3.0 L model
OUTBACK
3.0 L model
Except OUTBACK
RHD Except 3.0 L model
OUTBACK
3.0 L model
D: ADJUSTMENT
Always conduct steering angle sensor center posi-
tioning and yaw rate and lateral G sensor 0 posi-
tioning whenever you have replaced, removed or
installed the following items.
¼ VDCCM
¼ Steering angle sensor
¼ Yaw rate and lateral G sensor
¼ Steering wheel parts (including airbag)
¼ Suspension parts
¼ Adjustment of wheel alignment
VDC CONTROL MODULE (VDCCM)
S402550A11
S402550A10
B4M2586A
VDCCM identifi-
cation mark
K
M
N
K
M
N
S402550A01
1. WITHOUT SUBARU SELECT MONITOR
S402550A0101
1) Park the vehicle in a straight ahead position on
a horizontal surface.
2) Confirm the steering wheel center position. (If
the center position is not accurate, adjust wheel
alignment.)
3) Drive the vehicle approx. 10 km (6 MPH) pref-
erably on a straight road, then turn ignition switch
OFF. Then drive the vehicle approx. 10 km (6
MPH) again confirming that ABS and VDC warning
lights do not go ON while vehicle is being driven.
Also make sure there are no abnormalities of the
VDC function or steering operation.
NOTE:
If it is not possible to drive the vehicle, use
SUBARU SELECT MONITOR.
<Ref. to VDC-10, WITH SUBARU SELECT
MONITOR, ADJUSTMENT, VDC Control Module
(VDCCM).>
4) If there are any abnormalities found, conduct
the procedure over again.
2. WITH SUBARU SELECT MONITOR
S402550A0102
1) Park the vehicle in a straight ahead position on
a horizontal surface. (Engine running in gear posi-
tion of P or N)
2) Confirm the steering wheel center position. (If
the center position is not accurate, adjust wheel
alignment.)
3) Set the SUBARU SELECT MONITOR on the
vehicle and select "Set Mode Str.A.Sen.N &
Lat.Gsen.0p" in "Function Check Sequence" dis-
play menu. (Follow the instructions in the display.)
4) Select "Current Data display & Save" in {Brake
Control System} display menu and confirm if the
steering angle sensor is indicated as "0 deg".
5) If the display does not indicate {0 deg}, conduct
the procedure over again and make sure it indi-
cates "0 deg".
6) Drive the vehicle approx. 10 minutes and con-
firm that ABS and VDC warning lights do not go ON
while vehicle is being driven.
7) If there are any abnormalities in VDC function
or steering operation found while vehicle is being
driven, conduct the procedure over again.
VDC-10