−30−
2.4.Setting the Target Boost
2.5.
Setting the Correction Coefficient
(1)Turn the volume knob to select the desired target boost value.
・The digital display (S) shows " ".
・The target value is for both A & B boost settings.
・Changes to target boost for both A & B modes can made
in the Standard Mode after completing the initial
setting.
(2)Press the volume knob after setting the target boost.
Go to 2.5 for setting the correction coefficient.
(1)Ensure the display is as shown in the illustration
on the left. Drive the vehicle to reach the max
boost. If the target boost and the actual max boost
do not match, turn the volume until the actual max
boost reaches to the target boost.
・The speed/RPM display shows " ".
・Increasing the correction coefficient raises boost
and decreasing the coefficient reduces boost.
・The digital display(S) shows the peak hold value
and the digital display (L) shows the current
boost value.
(2)Press the volume knob after setting the coefficient.
This completes the initial setting.
Go to 3 for the standard mode.
Set the target boost level desired
If the target cannot be achieved, increase or decrease the correction coefficient to adjust
the boost to the target value.
Note
・For the vehicle equipped with the boost solenoid valve, after installing the EVC, the
standard max boost will be lower than the boost before installing the EVC.
・In the below cases, the max boost cannot reach 250kPa:
(a)The set load (spring's force) of the wastagate's valve or actuator is too low.
(b)The exhaust back pressure is creating a resistance.
・In the below cases, the boost cannot be stabilized:
(a)Wastegate's valve area and/or its stroke in not sufficent. Or, the boost creep or
drop is due to the actuator incapacity.
(b)Turbo air volume is not sufficent for the engine displacement. Or, the boost creep
or drop is due to an increase in the exhaust pressure.
Therefore, conditions and specifications of the vehicle must be examined carefully
before installing the EVC.
・Refer to the following procedures for the setting range of each value.
RPM
B
o
o
s
t
B
o
o
s
t
RPM
Stable Boost
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