CITROEN CX User Manual

Supplement to Manual 818-1
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OPERATION
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ENGINE
TRANSiSTORISED
IGNITION
WITH
ELECTROMAGNETICALLY
CREATED IMPULSES
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Q.
OPERATING
PRINCIPLE
The electronic ignition
cornprises
a coil (1).
a transistorised
module
(2
which iriciudes
omong other
components
a power
transistor working
as a contact
breaker, and
a distributor (3)
with
a magnetic
pick-up (impulse
generator
and an
H.T.
rotor.
The primary
current from
the coil goes through
a switching
transistor situated
in
the module
(the
earthing
is
carried
out via
the fixinq bracket
for
the
coil
and module
assembiy
).
As
an
impulse
is created by
the sensor
in the distributor,
it
switches
off the
transistor
and
thus cuts off
the
flow
of current in
the coil primary circuit.
which
causes
a High
Tension
»
current in
the coil
secondary
circuit.
The
module is located in
the distributorreplacing
the contact
breaker
unit in a
conventioncd
ignition
systern. It
comprises
a
sensor (4) anda
4-point star (5)
The sensor has
a permanent
maqnet inside a
winding.
This winding
is connected
electrically
to
the module.
The 4-point
star is made of
metal. and
has one
star
per cylinder.
It
is
fitted in
place of
the rotor
arm cern
in a
conventional
ignition
system.
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CITROEN CX Specifications

General

Brand	CITROEN
Model	CX
Category	Automobile
Language	English