19-18 GS500K3 (’03-MODEL)
TROUBLESHOOTING
Correct
Correct
Incorrect
• Poor connection of couplers
* Check that the transmission is in neutral position and
the engine stop switch is in the RUN position.
Inspect that the fuse is not blown and battery is
fully-charged condition before the diagnosis.
• Faulty ignition switch
• Broken wire harness or poor
connection of related circuit
couplers
• Poor connection of spark plug cap.
• Faulty spark plug
No spark or poor spark
Check the ignition system couplers for
poor connection.
Inspect the spark plug.
Inspect the battery voltage between
input lead wires (O/W and B/W) at the
ignitor unit with the ignition switch “ON”
position.
Correct
Inconnect
Correct
• Faulty ignition coil
• Faulty signal generator
• Faulty ignitior unit
• Poor connection of ignition couplers.
Inconnect
Inconnect
Looseness
Inspect the ignition coil primary peak
voltage.
NOTE: This inspection method is
applicable using only for Multi circuit
tester and peak volt adaptor.
IncorrectCorrect
Inspect the ignition coil.
Correct
Inspect the signal generator peak
voltage and its resistance.
NOTE: This signal generator peak
voltage inspection is applicable using
only for Multi circuit tester and peak volt
adaptor.
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