Ignition Coil Removal/Installation - Honda TRX500FM Service Manual

Remove the right side cover (page 2-4).
Turn the ignition switch OFF and disconnect the
alternator 5P (Natural) connector (1).
Connect the peak voltage tester or adaptor [2J probes to
the alternator side connector terminals.
Connection : BluefyeUow (+) - Green (-)
In the same manner as at the PCMfECM connector,
measure the peak voltage and compare it to the voltage
measured at the PCMfECM connector.
If the peak voltage measured at the PCM/ECM
connector is abnormal and the one measured at the
alternator connector is normal, the Blue/yellow or
Greenlwhile wire has an open or short circuit, or
loose connection.
If both peak voltages are abnormal. follow the
checks described in the troubleshooting chart (page
5-4).
If the CKP sensor is faulty, replace the alternator stator/
CKP sensor assembly (page 13-6).
IGNITION COIL
REMOVALIINSTALLA TION
Remove the left fuel tank side cover (page 2-5).
Disconnect the spark plug cap [1] from the spark plug.
Disconnect the ignition coil primary wire connectors {2J.
Remove the bolls [3] , spacers {4J and ignition coil (5].
Installation is in the reverse order of removal.
IGNITION SYSTEM
Blue/yellow (+)
Green (-)
[2)
[1)
5-7