HYOSUNG AQUILA 250 FI, Service Manual, Page: 15 / 90

14
4-1-5 FI SYSTEM DIAGNOSIS
FI SYSTEM TECHNICAL FEATURES
◉ ◉
INJECTION TIME (INJECTION VOLUME)
The factors to determine the injection time include the basic fuel injection time, which is calculated on the basis of
intake air pressure, engine speed and throttle opening angle, and various compensations.
These compensations are determined according to the signals from various sensors that detect the engine and
driving conditions.
Intake Air Pressure Sensor
(IAP Sensor)
Intake air pressure signal
Basic
fuel
injection
time
Compensation
Ultimate
fuel
injection
time
Various Sensors
Injectors
Engine speed signal
Various signals
Injection signal
ECU
Pick-up coil