
ForewordDTC “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.
...
Fuel pressure inspection
Keep away from fire or spark.
Spilled gasoline should be wiped off
immediately.
Work in a well-ventilated area.
Inspect the fuel pressure in the following procedures:
lift and support the fuel tank. Refer to “fuel tank removal and
installati ...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Front fork components”
Special tool
...