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IGNITION SYSTEM
SPARK PLUG TEST
(WHEN ENGINE CAN BE CRANKED)
Y27000A
Connect a spark plug to the high tension cable, ground the outer
electrode (main body), and crank the engine. If the spark plug
is good, however, sparks will be produced in the gap. In a
defective spark plug, no sparks will occur.
Ignition coil
Spark plug
Distributor
CHECKING SPARK PLUG CABLES
Y270EOA
~
IGN SW
£,1
,8.../
7
BAn
Defective insulation
Defection insulation
~---HJl:~1='1
Defective insulation Good
27Y063
1.
Check the cap and outer shell for cracks.
2.
Measure the resistance.
Unit: kfl
High tension cable
Spark plug cable
No.1
No.2
No.3
No.4
Approx. 2.7
10.6
13.1
16.7
22.1
27-34
27Y064
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