Recommended service material

Special tool

SpecificationsOil pressure switch inspection
Inspect the oil pressure switch 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 removal ...
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.
...
Specifications
Service data
Oil pump
Oil
Tightening torque specifications
Reference: for the tightening torque of fastener not specified in this
section, refer to “tightening torque list” in section 0c . ...