Gilera Runner Purejet 2007, Руководство по ремонту, Страница: 168 / 257

COMPONENTS LAYOUT:
1 ECU
2 15A fuses
3 Air injector
4 Fuel injector
5 Bobina A.T.
6 Key switch
7 12V - 9Ah battery
A + under panel
B To the magnet flywheel
The petrol injector receives the pressurized fuel through the supply system. The ECU commands the
injector, controlling both the time and the opening moment. The fuel is injected into the compressed air
chamber, thereby forming the rich air petrol mixture to be injected into the cylinder through the air
injector. The petrol injector prepares the mixture when the petrol injection is completed. The petrol
injector function is always very important in all the motor function phases, but particularly during idling
speed and start-up. The ECU auto diagnosis also check the petrol injector control circuit. The anomaly
is recognised in the case or circuit interruption or a short circuit, both towards the earth and the positive.
Any anomaly is indicated to the driver through the fixed ignition of the injection warning light. With the
anomaly present, the motor is unable to function. The anomaly is only recognised when the revs-phase
signal is present, that is to say when the ECU controls the injector openings. It is for this reason that
with the anomaly present, the recognition passes from the "actual" state to "required" state in the mo-
ment in which the motor stops.
pure jet injection
Runner Purejet
INJ PJ - 168