Engine cooling symptom diagnosis

Schematic and routing diagramRear wheel removal
Place the motorcycle on the
side stand.
Remove the cotter pin 1.
Remove the axle nut 2.
Warning
A hot muffler can burn you.
The muffler will be hot enough
to burn you for some time after
stopping the engine.
Wait until the muffler cools to
avoid bur ...
DTC “c21” (p0110-h/l): iat sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C21
Output voltage is not with in the following
range.
0.15 V ≤ Sensor voltage < 4.85 V
Iat sensor circuit open or short.
Iat sensor malfunction.
Ec ...
Stp sensor removal and installation
Removal
Remove the throttle body. Refer to “throttle body
removal and installation” in section 1d (page 1d-
10).
Remove the stp sensor (1) with the special tool.
Special tool
: 09930–11950 (torx wrench (5 mm))
Note
prior to disassembly, mark the stp sensor’s
origina ...