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IGNITION SYSTEM
18-6
Avoid touching the
spark plugs and
tester probes to
prevent electric
shock.
Turn the ignition switch ON and engine stop switch
"
".
Check for initial voltage at this time.
The battery voltage should be measured.
If the initial voltage cannot be measured, check the
power supply circuit (refer to the troubleshooting,
page 18-4).
Shift the transmission into neutral.
Crank the engine with the starter motor and read
ignition coil primary peak voltage.
If the peak voltage is abnormal, refer to the trouble-
shooting chart (page 18-4).
CKP SENSOR PEAK VOLTAGE
• Check all system connection before inspection. If
the system is disconnected, incorrect peak volt-
age might be measured.
• Check cylinder compression and check that the
spark plugs are installed correctly.
Disconnect the ECM 33P (Black and Light gray) con-
nectors from the ECM (page 5-97).
Connect the peak voltage tester or peak voltage
adaptor probes to the ECM connector terminals of
the wire harness side.
Crank the engine with the starter motor and read
the peak voltage.
If the peak voltage measured at ECM 33P connec-
tors is abnormal, measure the peak voltage at the
CKP sensor connector.
Disconnect the CKP sensor 2P (Red) connector and
connect the tester probes to the terminal (Yellow
and White/yellow).
In the same manner as at the ECM connectors, mea-
sure the peak voltage and compare it to the voltage
measured at the ECM connectors.
• If the peak voltage measured at the ECM is
abnormal and the one measured at the CKP sen-
sor is normal, the wire harness has an open cir-
cuit or loose connection.
• If both peak voltage measured are abnormal,
check each item in the troubleshooting chart
(page 18-4).
If all items are normal, the CKP sensor is faulty.
See following steps for CKP sensor replacement.
PEAK VOLTAGE: 100V minimum
TOOLS:
Imrie diagnostic tester (model 625) or
Peak voltage adaptor
07HGJ-0020100
with commercially available digital multimeter
(impedance 10 M
Ω
/DCV minimum)
Test probe
07ZAJ-RDJA110
CONNECTION:
Yellow (+) – White/yellow (–)
PEAK VOLTAGE: 0.7 V minimum
33P (Light gray) CONNECTOR
(Wire side/female terminals)
33P (Black) CONNECTOR
(Wire side/female terminals)
White/yellow
PEAK VOLTAGE ADAPTOR
Yellow
2P (Red) CONNECTOR
Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys.
email: [email protected]
Содержание CBF600N
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