Honda CB 600F Hornet 2007 Shop Manual page 510

IGNITION SYSTEM
Avoid rouching rhe Turn the ignition switch ON and engine stop switch
Check for initial voltage at this time.
"0 ".
spark plugs and
T he battery voltage should be measured.
tester probes to
If the initial voltage cannot be measured, check the
prevenr electric
power supply circuit {refer to the troubleshooting,
shock.
page 18-4).
Shift the transmission into neutral.
Crank the engine with the starter motor and read
ignition coil primary peak voltage.
PEAK VOLTAGE: 100V minimum
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 5-96).
Connect the peak voltage tester or peak voltage
adaptor probes to the ECM connector terminals of
the wire harness side.
TOOLS:
Peak voltage adaptor
Imrie diagnostic tester (model 625) or
with commercially available digital multimeter
!impedance 10 Mn/DCV minimum)
Test probe
CONNECTION:
Yellow (+) - White/yellow
Crank the engine with the starter motor and read
the peak voltage.
PEAK VOLTAGE: 0.7 V minimum
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.
18-6
White/yellow
07HGJ-0020100
07ZAJ-ROJA 110
H
Yellow
33P (Light gray) CONNECTOR
(Wire side/female terminals)
•
33P (Black) CONNECTOR
(Wire side/female terminals)
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I •
PEAK VOLTAGE ADAPTOR