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SPEED CORRECT (Speed correction value)
This item is to correct the speed value when the vehicle is equipped with tires of different size
from factory spec, or when there is a variance between the actual driving distance and the value
of DISTANCE in PAST mode. The set value range is from 0.1 to 199.9(%) in increments of 0.1.
The default value is 100.0.
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Setting & Calculating SPEED CORRECT
Change the default value "100.0" to the value calculated in (a) or (b) below.
(a) Calculating the set value for the vehicle equipped with tires of different size from factory spec:
SPEED CORRECT (Speed correction value) =
Outer diameter of the upgraded tire / Outer diameter of the factory tire
×
100
(Example)
Size of the upgraded tire : 235/45-17
Outer diameter of the upgraded tire : (235 x 45
÷
100 x 2 + 17 x 25.4) x 3.14 = 2019.962mm
Size of the factory tire : 205/55-16
Outer diameter of the factory tire : (205 x 55
÷
100 x 2 + 16 x 25.4) x 3.14 = 1984.166mm
SPEED CORRECT (Speed correction value) = 2019.962
÷
1984.166 x 100 = 101.804 = 101.8
*Round to the second decimal point.
(b) When there is a variance between the actual driving distance and the value of DISTANCE
in PAST mode:
Calculate the speed correction value by measuring the actual driving distance as follows:
・
Do not measure on a public road.
・
Do not burn out or otherwise spin tires without contact with pavement while measuring.
・
Measure while the vehicle is driven in a straight line.
Measurement needs a certain distance to figure out the actual driving distance.
SPEED CORRECT (Speed correction value) =
Actual driving distance
÷
the indicated DISTANCE value
×
100
(Example)
Actual driving distance : 1.0 mile Indicated DISTANCE value : 1.1 mile
SPEED CORRECT (Speed correction value) = 1.0
÷
1.1 x 100 = 90.909 = 90.9
*Round to the second decimal point.
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POWER CORRECT (Horsepower correction value)
This item is to correct the value when there is a variance between the actual horsepower on
the chassis dynamometer and the values of POWER in each mode. The set value range is
from 1.0 to 199.9(%) in increments of 1. The default value is 100.0.
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Setting & Calculating POWER CORRECT(HP correction value)
Change the default value "100.0" to the value calculated below.
POWER CORRECT (HP correction value) = Actual HP
÷
Indicated HP x 100
(Example)
Actual HP : 268HP Indicated HP : 276HP
POWER CORRECT (HP correction value) = 268
÷
276 x 100 = 97.101 = 97
*Round to the first digit.
(Example)
Fuel volume : 12.0 USG FUEL value : 8.2USG
ECO CORRECT Set Value = 12.0
÷
8.2 x 1000 = 1463.4 = 1460
*Round to the first digit.
⑥
Change ECO CORRECT value from "1000" to "1460
