Conclusion
FuelDTC “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.
...
To sensor removal and installation
Removal
Remove the ap sensor. Refer to “ap sensor removal and installation” .
Disconnect the coupler (1) and remove the to
sensor (2).
Installation
Install the to sensor in the reverse order of removal.
Pay attention to the following point:
when installing the to s ...
Oil pan / oil pressure regulator / oil strainer
removal and installation
Note
the oil pan/oil strainer/oil pressure regulator
cannot be serviced with the engine installed
in the frame.
Removal
Remove the engine assembly from the frame. Refer to “engine assembly
removal” in section 1d .
Remove the plate (1).
Remove the oil pan ...