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IGNITION SYSTEM
18-6
EXCITER COIL RESISTANCE
Remove the radiator shroud
(page
3-4),
Disconnect the
alternator
4P (Black) connector.
Measure the exciter coil resistance between the
connector terminals.
CONNECTION
:
Black/red
-
Blue
STANDARD:
9
-
28
(} (20"C/
68°F)
If resistance is
out
of specification, replace the
alter-
nator.
IGNITION PULSE GENERATOR PEAK
VOLTAGE
Remove the
left side
cover
(page
3-3),
Disconnect
the leM 6P (Natu ral) connector.
Connect
the peak
voltage
adaptor probes
to
the con-
nector termi nals of the wire harness side.
TOOLS:
IgnitionMate
peak voltag8 tester
MTP07·0286
(U.S.A. only)
o
r
Peak
\/oltage adaptor
07HGJ·0020100
(not
available
in
U.S.A.'
with
commerci ally
available digital
multimeter
(impedance
10 M O/DCV
minimum)
CONNECTION: Blue/
yellow
f+)
-
Green/
white
(-
)
Crank
the
engine
and
read the
peak
voltage.
PEAK
VOLTAGE:
0.7
V
minimum
If
the peak voltage
measured
is abnormal,
recheck
the
following:
Remove
the left side
radiator
shroud
(page 3-4).
Disconnect
the ignition pulse generator 2P (Black)
connector.
Connect the peak voltage
adapter
to t he connector
terminals of
the
ignition
pulse
generator side and
recheck the
peak
voltage.
If
the peak voltage at
the
ICM connector is abnormal
and peak voltage at the ignition
pulse
generator
connector is normal, check
for
poorly connected
connectors or a broken wire harness.
If the peak voltage is abnormal
at
both
connectors,
follow the
checks described
in
the
troubleshooting
chan on (page 18-4).
ICM
6P (NATURAL) CONNECTOR
•
•
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Table of Contents
Troubleshooting
