ELECTRICAL COMPONENTS
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a. Remove the spark plug cap from the spark
plug lead.
b. Connect the pocket tester (
Ω
×
1k) to the
spark plug cap as shown.
c. Measure the spark plug cap resistance.
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EAS28090
CHECKING THE IGNITION COIL
1. Check:
• Primary coil resistance
Out of specification
→
Replace.
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a. Disconnect the ignition coil connectors from
the ignition coil terminals.
b. Connect the pocket tester (
Ω
×
1) to the igni-
tion 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 igni-
tion coil.
b. Connect the pocket tester (
Ω
×
1k) to the ig-
nition coil as shown.
c. Measure the secondary coil resistance.
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EAS28930
CHECKING THE IGNITION SPARK GAP
1. Check:
• Ignition spark gap
Out of specification
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Perform the ignition
system troubleshooting, starting with step 5.
Resistance
5.0 k
Ω
Primary coil resistance
2.16
–
2.64
Ω
at 20
°
C (68
°
F)
• Positive tester probe
→
red/white “1”
• Negative tester probe
→
orange “2”
NGK
Secondary coil resistance
8.64
–
12.96 k
Ω
at 20
°
C (68
°
F)
• Positive tester probe
→
orange “1”
• Negative tester probe
→
spark plug lead “2”