Using the testersDTC “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.
...
Drive chain replacement
Use the special tool in the following procedures, to cut
and rejoin the drive chain.
Note
when using the special tool, apply a small
quantity of grease to the threaded parts of
the special tool.
Special tool
: 09922–22711 (drive chain cutting
and joint
tool set)
Driv ...
Fuel line inspection
Inspect fuel line
every 6 000 km (4 000 miles, 12 months)
Inspect the fuel line in the following procedures:
lift and support the fuel tank. Refer to “fuel tank
removal and installation” in section 1g (page 1g-
9).
Inspect the fuel feed hose (1) for damage and fuel
leakage. ...