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Radiator fan motor relay
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
EAS2LS1005
CHECKING THE DIODE
1. Check:
• Diode
Out of specification → Replace.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
TIP
The pocket tester or the analog pocket tester
readings are shown in the following table.
Continuity
Positive tester probe → light
green, sky blue "1"
Negative tester probe →
black/yellow, sky blue "2"
No continuity
Positive tester probe →
black/yellow, sky blue "2"
Negative tester probe → light
green, sky blue "1"
ELECTRICAL COMPONENTS
1
2
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a. Disconnect the diode from the wire harness.
b. Connect the pocket tester (Ω × 1) to the diode
terminals as shown.
c. Check the diode for continuity.
d. Check the diode for no continuity.
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EAS28060
CHECKING THE SPARK PLUG CAP
1. Check:
• Spark plug cap resistance
Out of specification → Replace.
Resistance
10.0 kΩ
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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.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
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.
8-70
Lg,Sb
B/Y,Sb
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