


Location of labelsDTC “c28” (p1655): secondary throttle
valve actuator (stva) malfunction
Detected condition and possible cause
Detected condition
Possible cause
The operation voltage does not reach the stva.
Ecm does not receive communication signal from the
stva. Stva can not operate properly or its motor locked
Stva malfunction.
...
Side-stand / ignition interlock system parts
inspection
Check the interlock system for proper operation. If the
interlock system does not operate properly, check each
component for damage or abnormalities. If any
abnormality is found, replace the component with a new
one.
Side-stand switch
Turn the ignition switch off.
Remove the left si ...
Diagnostic information and procedures
Starting system symptom diagnosis
Condition
Possible cause
Correction / reference item
Engine does not turn
though the starter motor
runs
Faulty starter clutch.
Replace.
Starter button is not
effective
Run down battery
Repair or replac ...