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Starting and operating/Driver’s Control Center Differential (C.DIFF/DCCD) (STI)
CAUTION
. All the indicators will flash in the
event that the driver’scontrol
center differential has a malfunc-
tion. Have the vehicle inspected
by your SUBARU dealer.
. If a malfunction occurs in the
vehicle (for example, when the
rear differential oil temperature
warning light illuminates), all of
the indicators may disappear and
the setting value for the initial
limited slip differential (LSD) tor-
que of the driver’s control center
differential (C.DIFF /DCCD) may
be cancelled. However, it does
not indicate a malfunction of the
C.DIFF/DCCD itself.
The driver’s control center differential
allows you to freely change the degree
of limitation of the differential action
(limited slip differential (LSD) torque) of
your vehicle’s center differential.
By using the center differential control
switch, you can set an initial LSD torque to
match the road surface conditions, driving
conditions and your driving style.
1) LSD torque
2) Traction torque
3) Initial LSD torque (maximum)
4) Initial LSD torque (minimum)
A) Initial LSD torque (adjustable)
B) Mechanical LSD torque
The driver’s control center differential has
an auto mode and a manual mode. In the
auto mode, the system automatically
adjusts the initial LSD torque. In the
manual mode, you can change to the
desired mode manually by using the
center differential control switch.
NOTE
If you rapidly depress and release the
accelerator pedal while driving at low
speed, you may hear a knocking sound
from the vicinity of the center differen-
tial and rear differential. This sound
occurs because of the structure of the
center differential. It does not indicate a
problem.
& To change mode of driver’s
control center differential
Press the “AUTO-MANU” switch on the
center console to switch from auto mode
to manual mode or vice versa. When you
select the auto mode, the “AUTO” indica-
tor appears. When you select the manual
mode, the “AUTO” indicator disappears.
7-20
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