18
Vacuum
Components con rlHttiO nS
•Systam components
3800S
ELECTRONIC FUEL
INJECTION DIAGRAM
1. Battery
2. Relay set - Operates electronic
control unit 3 and motor driven fuel
pump 1 7.
3. Electronic control unit
Receives information about oil quan-
tity, coolant temperature and tempe-
rature of cylinder head, position of
throttle valve, starting phase as well
as engine rpm and injection point.
it processes this information and trans-
mits electric pulses to the solenoid
injector.
It is connGcted with the individual
components by means of a multiple
connection plug and associated con-
necting cables.
4. Coil
In addition to its normal function, it
transmits the number of engine rpm or
the injection point to the control unit.
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