Weak Or No Spark - Honda 86-87 TA200 FATCAT Service Manual

TROU BLES HOOTING
WEAK OR NO SPARK
1. Try spark test with known good
spark plug.
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WE t K OR NO SPARK
2 . Check spark plug wire for loose or
GOOO SPARK --------~ •• {1)Faulty spark plug
poor con t act at the spark plug cap - GOOO SPARK - - - - - - - - -_. (1 )Loose or poor con t act of spark plug
then try spark test again. wire
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WEAK OR NO SPARK
3 . Check COl unit coupler for loose or -ABNORMAL - - - - - - - - - -__ (1)Loose or poor con t act of COl unit
coupler
4 . Check the resistances or continuity at the COl unit coupler of the wire harness side (See page 14-2).
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AB ~ORMAL
5. Check part of abnormal line
{See page 14-3, 14-41.
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NORMAL ABNORMAL
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NORMAL
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GOOD SPARK
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WE 1 K OR NO SPARK
(1) Faulty ignition coil (1 ) Faulty COl unit
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, __ L _ _ ____
'======;-- - - - - - - - - -______ •• n
IFaulty part
6 . Check the wire harness for open or -ABNORMAL - - - - -______ .~ ( 1 )Faulty wire harness
short circuit between the COl unit .
18-6
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NORMAL - - - - - - - - - - - - -- - - - - -- •• (l)Loose or poor contact connec t ors
of the ignition related part