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IGNITION SYSTEM
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 (affecting
the
ignition coil secondary voltage)
•
If there is no spark at cylinder,
temporarily
exchange the ignition coil with a
known
good one and perform
the
spark
test. If there is spark,
the
original
ignition coil
is faulty.
No spark at plug
,
"
primary
voltage
generator
18-4
6.
7.
i (measure
the
resistance).
;gn;t;o, coil
the resistance).
normal
i
voltage
with
reverse
connection).
2. Short ci rcuit
in
engine stop
button
wire.
3.
Faulty
engine stop bunon.
4.
Loose
or poo
rl
y connected
leM
connectors.
5. An open circuit or
loose
ignition coil wire.
6.
Faulty
exciter coil
(measure the
resistance).
7.
Faulty
ignition pulse generator (measure the
peak
volt-
DCV.
2. Cranking speed
is too
low.
-
Kickstarter is
weak
-
Battery is
undercharged
cu r-
3.
The
sampling
timing
of the tester and measured
pulse
were
not
synchronized (System
is normal
if
measured
vodtage;i,s over the standard
at
least
once).
•
•
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Table of Contents
Troubleshooting
