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 connection of plug
cap and resistance.
Normal?
YES
Check ignition coil resistance.
Normal?
YES
Check ECU.
9-28

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 away from tester to
prevent them from catching sparks.
NO
Clean and adjust spark
plugs, or replace.
WARNING
NO
Check fuel system.
NO
Repair or replace plug
cap.
NO
Replace ignition coil.
TLDI 115A 2007