Ignition System - TOHATSU TLDI MD 115A SERIES Service Manual

O
Troubleshooting
K
Check spark plugs.
Normal?
YES
Use spark tester to check
ignition sparks.
Sparks are weak?
or no sparks?
YES
Check stop switch and main
switch key.
Normal?
YES
Check connection of plug
cap and resistance.
Normal?
YES
Check ignition coil resistance.
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9-16

Ignition System

· When testing, put electrode cap assuredly to prevent
direct contact with spark tester wiring and leak of
electrical current.
· Keep flammable gas, fuel, oil and fat away from tester
to prevent them from catching sparks.
NO
Check pick up (crank
position sensor) coil
resistance and gap between
the part and encoder.
Normal?
Check fuel system and
compression pressure.
NO
Clean and adjust
spark plug, or replace.
WARNING
NO
Replace pick up (crank
position sensor) coil.
Adjust gap between the
YES
coil and encoder.
NO
Replace stop switch or
main switch key.
NO
Repair or replace plug
cap.
TLDI 115A 2007