Dtc “c36” (p1764), “c37” (p1765), “c38” (p1766) or “c39” (p1767): secondary
fuel injector circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
Some failure exists in the fuel injector signal in a high
load, high revolution condition.
Injector circuit open or short.
Injector malfunction.
Ecm malfunction.
...
DTC “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.
...
Crankcase breather (pcv) hose / reed
valve / cover removal and installation
Removal
Lift and support the fuel tank with the prop stay.
Refer to “fuel tank removal and installation” in section 1g .
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Disconnect the crankcase breather (pcv) hose (1).
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