Tohatsu MFS 30 [282/319] Troubleshooting

Tohatsu MFS 30 [282/319] Troubleshooting
9-10
Troubleshooting
O
K
25/30 2006
YES
NO
NO
NO
NO
NO
Normal?
Normal?
Use spark tester to check
ignition sparks.
Check spark plugs.
Check stop switch and main
switch key.
Sparks are weak?
No sparks?
Normal?
Check fuel system and
compression pressure.
YES YES
Clean and adjust
spark plug, or replace.
Normal?
YES
Check connection of plug cap
and resistance.
Check ignition coil resistance.
Replace stop switch or
main switch key.
Repair or replace plug cap.
NO
Normal?
Replace ignition coil.
Check ECU.
Replace pulser coil
YES
YES
Check pulser coil resistance.
Ignition System
WARNING
When testing, put electrode cap assuredly to prevent
direct contact with spark tester wiring and leak of
electrical current.
Keep inflammable gas, fuel, oil and fat away from tester
to prevent them from catching sparks.
MFS25_30_ch09.qxd 06.3.9 5:02 PM ページ 10

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