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Troubleshooting
O
K
TLDI 115A 2007
NO
NO
NO
NO
YES
YES
YES
YES
Repair or replace plug
cap.
Clean and adjust spark
plugs, or replace.
Replace ignition coil.
Check fuel system.
Check connection of plug
cap and resistance.
Check ignition coil resistance.
Sparks are weak?
or no sparks?
Normal?
Check spark plugs.
Use spark tester to check
ignition sparks.
Normal?
Normal?
Check ECU.
Ignition System
WARNING
· 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.
MD115A̲09̲2校̲070604.qxd 07.6.6 7:01 PM ページ 28