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GENERAL
H
pulse
jrITDl
generator
B
~
4.
Pulse generator
Check the resistance between
Resistance:
Short-circuit. or damaged or dis-
A or B
r-
terminals
1
and
2
or 3 and 4.
l -
very low or
f--
connected wiring
•
very high
•
Pulse generator terminals
215-275 O/20
o
C (68°F)
Replace the pulse generator.
1-2: pulse
•
generator A
2 1
Normal
5.
Pulse generator
Connect the pulse generator
A or B (checking
and body harness, and connect
I - -
by
an oscillo-
an oscilloscope. Check with the
scope)
chassis on a dynamo or with the
front wheels raised.
Ociloscope waveform
With the selector lever at the
"L" position and the engine
Incorrect installation of the pulse
Noise
Very low
~~i
running at 1,000 rpm, check the
~
generator, or malfunction of the
voltage
waveform
between
voltage
pulse generator.
terminals 1 and 2.
•
Correct the installation condition,
1,000 mVp-p or higher
or replace the pulse generator.
Noise in the
Improper grounding of the pulse
waveform
..-
generator circuit's shielded wir-
ing.
,
Replace the pulse generator.
Noise
With the selector lever at the
io
l
"L" position and the engine
Incorrect installation of the pulse
Very low
~
running at 1,000 rpm, check the
f-t~
voltage
generator, or malfunction of the
voltage
waveform
between
pulse generator.
terminals 3 and 4.
•
•
Correct the installation condition,
500
mVp-p or higher
or replace the pulse generator.
Noise in the
I -
Improper grounding of the pulse
l.o
waveform
generator circuit's shielded wir-
ing.
1
Replace the pulse generator.
Normal
I
45-26
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