Precautions
Precautions for electrical system
Refer to “general precautions” in section 00 (page 00-1) and “precautions for electrical circuit service” in section 00 (page 00-2).
Component location
Electrical components location
Refer to “electrical components location” in section 0a .
Wiring systemsIdle speed
Adjust the engine idle speed periodically on the engine at normal operating
temperature.
To adjust the idle speed:
Lift the fuel tank by referring to
the air cleaner section.
Start the engine and warm it
up by running at idling speed
for 10 minutes in summer
(where ambie ...
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.
...
Cylinder head cover related parts
inspection
Refer to “engine top side disassembly” .
Refer to “engine top side assembly” .
Refer to “cylinder head cover disassembly and assembly” .
Cylinder head cover
Clean and check the gasket grooves “a” and pair reed
valve mating surfaces “b” of the cylinder head cover.
If there is anything unu ...