ELECTRICAL COMPONENTS
9-74
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a. Connect the pocket tester ( 1k) to the
spark plug cap.
b. Measure the spark plug cap resistance.
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EAS2GC1391CHECKING THE IGNITION COIL
1. Disconnect: • Ignition coil terminal(from the sub wire harness)
• Spark plug cap (from the ignition coil)
2. Check:
• Primary coil resistanceOut of specification Replace.
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a. Connect the pocket tester ( 1) to the igni-
tion coil. b. Measure the primary coil resistance.
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3. Check:
• Secondary coil resistanceOut of specification Replace.
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a. Connect the pocket tester ( 1k) to the ig-
nition coil.
b. Measure the secondary coil resistance.
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EAS2GC1392CHECKING THE CRANKSHAFT POSITION
SENSOR
1. Disconnect: • Crankshaft position sensor coupler(from the wire harness)
2. Check:
• Crankshaft position sensor resistanceOut of specification Replace.
Pocket tester
90890-03112
Analog pocket tester YU-03112-C
Primary coil resistance 2.16–2.64
Pocket tester 90890-03112
Analog pocket tester YU-03112-C
• Positive tester probe
Ignition coil terminal 1 “1”
• Negative tester probe
Ignition coil terminal 2 “2”
Secondary coil resistance 8.64–12.96 k
Pocket tester 90890-03112
Analog pocket tester YU-03112-C
• Positive tester probe Ignition coil terminal 1 “1”
• Negative tester probe
Spark plug lead “2”
ELECTRICAL COMPONENTS
9-76
b. Check the starter motor operation.
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EAS28150CHECKING THE STATOR COIL
1. Disconnect:• Stator coil coupler(from the wire harness)
2. Check:
• Stator coil resistanceOut of specification Replace the stator
coil.
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a. Connect the pocket tester ( 1) to the sta-
tor coil coupler as shown. b. Measure the stator coil resistance.
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EAS2GC1395CHECKING THE RECTIFIER/REGULATOR
1. Check:
• Charging voltageOut of specification Replace the rectifier/
regulator.
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a. Set the digital tachometer to the ignition coil.
b. Connect the pocket tester (DC 20 V) to the rectifier/regulator coupler as shown.
c. Start the engine and let it run at approxi- mately 5000 r/min.
d. Measure the charging voltage.
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Stator coil resistance 0.528–0.792 (W–W)
Pocket tester 90890-03112
Analog pocket tester YU-03112-C
• 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”
No load regulated voltage 14.1–14.9 V
Digital tachometer 90890-06760
Digital tachometer YU-39951-B
Pocket tester 90890-03112
Analog pocket tester YU-03112-C
• Positive tester probe Red “1”
• Negative tester probe
Black “2”
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