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(505,1)
北米Model "A2600BE-B" EDITED: 2020/ 10/ 1
by an extra 1 psi (6.9 kPa, 0.07 kgf/cm
2
) for
every difference of 108F (5.68C) between
the temperature in the garage and the
temperature outside. By way of example,
the following table shows the required tire
pressures that correspond to various out-
side temperatures when the temperature
in the garage is 608F (15.68C).
Example:
Tire size: 225/55R17 97V, 225/50R18 95V
Standard tire pressures:
Front: 33 psi (230 kPa, 2.3 kgf/cm
2
)
Rear: 32 psi (220 kPa, 2.2 kgf/cm
2
)
Garage temperature: 608F (15.68C)
Outside
temperature
Adjusted pressure
[psi (kPa, kgf/cm
2
)]
Front Rear
308F (−18C) 36 (250, 2.5) 35 (240, 2.4)
108F (−128C) 38 (265, 2.65) 37 (255, 2.55)
−108F (−238C) 41 (280, 2.8)
39 (270, 2.7)
Example:
Tire size: 225/65R17 102H, 225/60R18
100H
Standard tire pressures:
Front: 35 psi (240 kPa, 2.4 kgf/cm
2
)
Rear: 33 psi (230 kPa, 2.3 kgf/cm
2
)
Garage temperature: 608F (15.68C)
Outside
temperature
Adjusted pressure
[psi (kPa, kgf/cm
2
)]
Front Rear
308F (−18C) 38 (260, 2.65) 36 (250, 2.5)
108F (−128C) 40 (275, 2.8) 38 (265, 2.65)
−108F (−238C) 42 (290, 2.95)
41 (280, 2.8)
If the low tire pressure warning light
illuminates when you drive the vehicle in
cold outside air after adjusting the tire
pressures in a warm garage, re-adjust the
tire pressures using the method described
above. Then, increase the vehicle speed
to at least 20 mph (32 km/h) and check to
see that the low tire pressure warning light
goes off a few minutes later. If the low tire
pressure warning light does not go off, the
tire pressure monitoring system may not
be functioning normally. In this event, go to
a SUBARU dealer to have the system
inspected as soon as possible.
While the vehicle is driven, friction be-
tween tires and the road surface causes
the tires to warm up. After illumination of
the low tire pressure warning light, any
increase in the tire pressures caused by an
increase in the outside air temperature or
by an increase in the temperature in the
tires can cause the low tire pressure
warning light to go off.
System resetting is necessary when the
wheels are changed (for example, a switch
to snow tires) and new TPMS valves are
installed on the newly fitted wheels. Have
this work performed by a SUBARU dealer
following wheel replacement.
It may not be possible to install TPMS
valves on certain wheels that are on the
market. Therefore, if you change the
wheels (for example, a switch to snow
tires), use wheels that have the same part
number as the standard-equipment
wheels. Without four operational TPMS
valve/sensors on the wheels, the TPMS
will not fully function and the warning light
in the instrument panel will illuminate
steadily after blinking for approximately
one minute.
When a tire is replaced, adjustments are
necessary to ensure continued normal
operation of the tire pressure monitoring
system. As with wheel replacement, there-
fore, you should have the work performed
by a SUBARU dealer.
WARNING
If the low tire pressure warning light
does not illuminate briefly after the
ignition switch is turned ON or the
light illuminates steadily after blink-
ing for approximately one minute,
– CONTINUED –
Tires and Wheels
503
11
Maintenance and Service
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