Adjust the engine idle speed periodically on the engine at normal operating temperature.
To adjust the idle speed:

Engine oil and filter change
Throtile cable playOil pressure indicator inspection
Inspect the oil pressure indicator in the following
procedures:
Note
before inspecting the oil pressure switch, check if the engine oil level
is correct. Refer to “engine oil and filter replacement” in section 0b .
Remove the left side cowling. Refer to “exterior parts remov ...
Excva adjustment
Inspect the excva operation and adjust it if necessary
in the following steps:
Step 1
Set the excva to the adjustment position. Refer to
“excv cable removal and installation” (page 1k-
6).
Step 2
Turn the ignition switch off.
Turn the mode select switch off.
Turn the ...
DTC “c14” (p0120-h/l): tp sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C14
Output voltage is not within the following
range.
Difference between actual throttle opening
and opening calculated by ecm is larger
than specified value.
0.2 V ≤ Sensor ...