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24
ELECTRONIC FUEL INJECTION - AFC
Contro
l
Unit
The control
unit is located in the engine compartment within a cavity welded to the right-hand wheel
well.
The contro
l
unit
processes information concerning
the
fo
ll
owing:
Volume of
intake
air
Temperat
ure of
intake air
Motor rpm
Motor
temperatu
re
Intake air sensor
deflection (fu ll load)
It
determ ines
and
contro
duration.
The electronic con
tro
circuits
and
integrated circuit components.
It is fitted wi
t
h
approx
The
printed
ci
rcu
it
board is secured to the control
unit
and
pressed into th
into
place.
Code
exp
lanation
:
A Control unit
1
Contro
l
mul tivibrator
1a
Impulse
and rpm divider
2
Multipl
ier
stage
2a Warm-up enrich
ment
3
Output stage
4
Fuel injector
5
Series resistor
I
Control voltage
f
rom
la Control
impulse
f rom
II Control signal from throttle
Iia Control voltage from
Is the
injection sequence and
l unit is composed of printed
imately 80
components.
e
socket until
a
spring snaps
intake-air
sensor
distributor
cont
act
breaker
switch
starter swit
ch/temperature sensor II
points
10
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