Manual transmission symptom diagnosis

Precautions
Precautions for driveline / axle
Refer to “general precautions” in section 00 (page 00-1).
Never inspect or
adjust the drive chain while the engine is running.
Caution
do not use trichloroethylene, gasoline or such similar
solvent. These fluids will d ...
Wheel / tire / air valve inspection and cleaning
Refer to “tire removal and installation” .
Wheel
Wipe the wheel clean and check for the following points:
distortion and crack
any flaws and scratches at the bead seating area.
Wheel rim runout. Refer to “front wheel related parts inspection”
and “rear wheel rela ...
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.
...