


Location of labelsDTC “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.
...
Regulator / rectifier removal and installation
Removal
Turn the ignition switch off.
Remove the right side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Lift and support the fuel tank. Refer to “fuel tank
removal and installation” in section 1g (page 1g-
9).
Remove the evap system purge ...
Combination meter inspection
Led inspection
Check that the leds “a” (fi, fuel, engine rpm, oil
pressure/engine coolant, immobilizer (e-02, 19, 24, 51)
and meter panel illumination) immediately light up when
the ignition switch is turned on.
Check that the other leds “b” (neutral, high-beam and
turn signal indicator ligh ...