Front brakes
Front brake componentsDTC “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.
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Oil cooler / oil cooler hose inspection and
cleaning
Refer to “exterior parts removal and installation” in section 9d .
Oil cooler hose inspection
Inspect the oil cooler hoses for any damage and oil
leakage. If any defects are found, replace the oil cooler
hose with a new one.
Oil cooler inspection
Remove the oil cooler guard (1).
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Steering / steering damper removal and
installation
Removal
steering damper
Turn the ignition switch off.
Disconnect the steering damper solenoid coupler
(1).
Remove the lower bracket cover (2).
Remove the steering damper mounting nut (3) while
holding the lock-nut (4).
Remove the steering damper mounting bolt ( ...