Inspect the fan relay in the following procedures:

If there is no continuity, replace it with a new one.
Special tool
: 09900–25008 (multi circuit tester
set)
Tester knob indication set
continuity test (
)

Ect sensor removal and installation
Refer to “ect sensor removal and installation” in section 1c .
Ect sensor inspection
Refer to “ect sensor inspection” in section 1c .
Cooling fan inspection
Thermostat removal and installationDTC “c23” (p1651-h/l): to sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C23
The sensor voltage should be the
following for 2 sec. And more, after ignition
switch is turned on.
0.2 V ≤ Sensor voltage < 4.8 V
To sensor circuit open or shor ...
Turn signal / side-stand relay inspection
Refer to “electrical components location” in section 0a .
Note
make sure that the battery is fully charged.
Before removing the turn signal/side-stand relay, check
the operation of the turn signal light.
If the turn signal light does not illuminate, inspect the
bulb, turn signa ...
DTC “c91” (p0500): vehicle speed sensor
circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
Speedometer does not receive signal from the vehicle
speed sensor for more than 6 sec. When the motorcycle is
running. Ecm does not receive signal from the vehicle
speed sensor for more than ...