ress the UP/DOWN switch to adjust the duty setting to the necessary levels. ( the duty level settings for A/B range from 20%~90% in 2% increments.)
Press the MODE switch again to set the duty setting.
At this point drive the vehicle again to check the boost level. While in third gear or above if the boost level stabilizes at a point near the specified boost setting the-unit will commence the self learning process to complete the setting.
If the boost level does not rise enough or overshoots ( by over 0.2 k) during step 12 or if the self learning does not start, please reset the duty settings to prevent miscalculations.( return to step 9)
!CAUTION If the boost level does not rise to the specified level even after the duty has been set to 90%, a problem with the turbo may exist. In these cases, please lower the preset boost level.
IMPORTANT * Normally, the set duty level is meant to aid the self learning function according to the corresponding boost level but in vehicles which lose boost at higher RPM's, the duty level may be set to a higher level ( A setting which would normally produce a boost overshooting characteristic) to compensate for the boost drop. As the self learning function progresses, the overshoot will gradually be suppressed. ( Please set vehicles which lose boost due to lack of injector capacity by the normal method.)
3-2 Wastegate Type
IMPORTANT * Wastegate type vehicles do not differ in the duty setting front actuator type vehicles but the amount of boost control which is possible depends upon the type or spring rate used by the wastegate. As far as the duty setting is concerned, please choose a spring rate which allows the maximum boost pressure to be controlled by a 70% duty setting.
Set the desired boost pressure front preset A or B
Set the maximum set boost level at a 70% duty level.
Drive the vehicle and check the boost level. Adjust the wastegate spring or replace the wastegate spring so that the boost level reaches near the specified setting. While in third gear or above if the boost level stabilizes at a point near the specified boost setting the unit will commence the self learning process to complete the setting.
As for the other preset, please set the preset to the same if not a higher boost pressure setting than the one above. Please change the duty level for the new boost pressure as well.
!CAUTION ( Same for actuator and wastegate type) Although this unit has a RPM separate self learning function, vehicles maximizing their injectors by 6200 rpm will not be able to use the self learning function during that period because the unit uses the injector signal to read the engine RPM for the self learning function. In order to have more precise boost control, the solution to this problem is to upgrade to higher capacity injectors.*
Our company can provide the proper upgrade injectors.
BCNR33/BNR32/RNN14 550cc/min: Y20000/pc (Part number:404-NOO I)
ECR3 3/S 14/#PS 13 440cc/min:Y24000/pc (Part number:404-N002)
IMPORTANT ( Same for actuator and wastegate type)
Changes in either the preset boost pressure or duty level will reset the self learning function.
(Even if the boost pressure was changed and then returned to its previous setting)
As long as the basic requirements are fulfilled, the self learning function will automatically proceed under normal driving conditions. Please follow the steps below to speed up the self learning function process.
Drive the vehicle in as high of a gear as possible in order to get the boost pressure to match the specified boost level at the lowest possible RPM. ( the intercept RPM) ( Running the vehicle from the intercept RPM + 1000 RPM is acceptable.)
Next, run the vehicle in the mid and high RPM of a mid-range gear to match the specified boost level.
Repeating steps I and 2 will speed up the self learning function.
If the boost pressure does not rise properly, please reset the self learning function or check the set boost pressure again.
* Be sure to reset the duty level and repeat the programming sequence from the beginning when modifying either the actuator or wastegate.
4. Set Up Lock Function
This function allows the user to lock the functions accessible on the front part of the unit. (The steps 1-3 when setting the presets in the set up mode)This safety feature has been designed to prevent the self learning function from being reset by accident, prevent others from modifying the boost pressures and damaging the engine, and to prevent all other potential trouble.
While the unit is ON, press both the SELECT and the Up switch immediately.
The display will change from the normal screen to unL-000. This unnail denotes the lock function has been released.