Table of Contents
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EAS28150
CHECKING THE STATOR COIL
1. Disconnect:
• Stator coil coupler
(from the wire harness)
2. Check:
• Stator coil resistance
Out of specification → Replace the stator coil.
Stator coil resistance
0.128–0.192 Ω
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a. Connect the digital circuit tester to the stator
coil coupler as shown.
Digital circuit tester
90890-03174
Model 88 Multimeter with ta-
chometer
YU-A1927
• Positive tester probe →
white "1"
• Negative tester probe →
white "2"
• Positive tester probe →
white "1"
• Negative tester probe →
white "3"
• Positive tester probe →
white "2"
• Negative tester probe →
white "3"
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b. Measure the stator coil resistance.
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EAS28170
CHECKING THE RECTIFIER/REGULATOR
1. Check:
• Charging voltage
Out of specification → Replace the rectifi-
er/regulator.
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2 3
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ELECTRICAL COMPONENTS
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a. Connect the pocket tester (DC 20 V) to the
battery terminals as shown.
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• Positive tester probe →
positive battery terminal "1"
• Negative tester probe →
negative battery terminal "2"
b. Start the engine and let it run at approximate-
ly 5000 r/min.
c. Measure the charging voltage.
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EAS28190
CHECKING THE OIL LEVEL SWITCH
1. Drain:
• Engine oil
2. Remove:
• Oil level switch
(from the oil pan)
3. Check:
• Oil level switch continuity
Out of specification → Replace.
Oil level switch resistance
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a. Connect the pocket tester (Ω × 1) to the oil
level switch terminal as shown.
8-184
Charging voltage
14 V at 5000 r/min
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Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
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Minimum level position
No continuity
Maximum level position
Continuity
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Troubleshooting
