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.
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Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Clutch control system components” “clutch components”
Special tool
...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Rear suspension components” “rear suspension assembly
construction”
Special tool
...