ELECTRICAL COMPONENTS
8-122
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a. Disconnect the ignition coil connectors
from the ignition coil terminals.
b. Connect the pocket tester (Ω × 1) to the
ignition coil as shown.
c. Measure the primary coil resistance.
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2. Check:
• Secondary coil resistance
Out of specification → Replace.
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a. Disconnect the spark plug cap from the
ignition coil.
b. Connect the pocket tester (Ω × 1k) to the
ignition coil as shown.
c. Measure the secondary coil resistance.
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3. Check:
• Ignition spark gap
Out of specification → Replace.
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a. Disconnect the spark plug cap from the
spark plug.
b. Connect the ignition checker/dynamic
spark tester “1” as shown.
c. Set the main switch to “ON”.
d. Measure the ignition spark gap “a”.
e. Crank the engine by pushing the starter
switch and gradually increase the spark
gap until a misfire occurs.
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EAS28120
CHECKING THE CRANKSHAFT POSITION
SENSOR
1. Disconnect:
• Crankshaft position sensor coupler
(from the wire harness)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Red/black
• Negative tester probe
Orange/Black (Gray/Black)
Secondary coil resistance
12.0–18.0 kΩ at 20°C (68°F)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Negative tester probe
Spark plug lead “1”
• Positive tester probe
Spark plug lead “2”
Minimum ignition spark gap
6.0 mm (0.24 in)
Ignition checker
90890-06754
Opama pet-4000 spark checker
YM-34487
2. Spark plug cap
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