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TROUBLESHOOTING
•
Inspect the following before
diagnosing
the system.
—
Faulty
spark plug
—
Loose
spark plug
cap
or
spark plug wire connection
—
Water
got
into
the spark plug
cap
(leaking the Ignition
coil
secondary
voltage)
•
Temporarily
exchange
the
ignition
coil
with
the
other
good one and
perform the
spark
test.
If
there
is
spark, the
exchanged
Ignition
coil
is
faulty.
No
spark
at
plug
Ignition
coil
primary
voltage
Unusual
condition
Low
peak voltage
No
peak
voltage.
Peek
voHage
is
normal,
but
no
apart
lump*
at
plug
(Check
In
numarical
order',
The
multimeter
impedance
ie
too
low (Doe*
not
apply
to
Imrie
tester!.
Cranking
speed
is
too low.
•
Battery
under charged
The
sampling timing
of the taster
and measured
pulse
were
not
synchronised
(System
is
normal
If
measured
volt-
age
is
over
the
standard
voltage
at least
once)
(Does not apply
to
Imrie
tester)
Poorty
connected connectors or an
open
circuit in
ignition
system
Faulty exciter
cod (Measure
the
peak
voltage).
Faulty side
stand switch
circuit.
Faulty
ICM
(in
case
whan
above
No.
1
- 6
ora
normal!
1
Incorrect
peak voltage
adapter connections.
(Does not
apply
to
Imrie
tester).
2
Short
circuit In
engine
stop switch
wire.
3.
Faulty
ignition
switch
or
engine
stop switch.
4
Loose
or
poor connected
ICM
connectors.
6
Open
circuit
or
poor connection
In
ground
wire
of the
ICM.
6.
Faulty
ode
stand switch
circuit.
7.
Faulty
peak
voltage adapter,
or
Imrie
tester.
8
Faulty axciter
coll
(Measura
the
peak
voltaoe).
9
Faulty
Ignition
pulse
generator.
10.
Faulty
ICM
(in
i
when
above
No.
1-9
are norma!)
1
Faulty apart
plug
or leaking
ignition
cod secondary
current
2.
Faulty
ignition
coll.
Exciter
coll
Low
peak
voltage.
The
multimeter
impedance
is
too
low.
(Does not apply
to
Imrie
tester).
Cranking
speed
Is
too
Sow.
•
Battery
under
-charged.
The
sampling timing
of the
tester
and measured
pulse
were
not synchronized
(System
is
normal
rf
measured
voltage
is
over
the
standard vottaga
at
least
once)
(Does
not
apply
to
Imrie
tetter)
Faulty
exciter
coil
(in
case
when
above
No.
1
-
3
are normal).
No
1.
Faulty
peak
voltage adapter
or Imrie
tester
2.
Faulty
exciter
cod.
Ignition
pulse
generator
Low
peak
voltage.
The
multimeter
impedance
is
too
low (Does
not apply
to
imrie
tester).
Cranking
speed
is
too
low.
•
Battery
under
-charged.
Tho sampling
timing
of the
tester
and
measured
pulse
were
not
synchronized (System
is
normal
if
measured
voltage
is
over
the standard voltage
at leasi
once)
(Doss not apply
to
Imrie
taster)
Faulty
tgnition
pulse generator
(in
case
when
above
No.
1
- 3
aro normal).
No
|
1
Faulty
peak
voltage adaptor
or
Imrie
tester
2.
Faulty
ignition
pulse
generator.
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