Inspect the speed sensor in the following procedures:
Special tool
: 09900–25008 (multi circuit tester
set)
Tester knob indication
voltage (
)

|
| Note while testing, the highest voltage reading should be the same as the battery voltage (12 v). |

Speed sensor removal and installation
Oil pressure indicator inspectionDTC “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.
...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Water hose routing diagram” “water pump components” “water
pump construction”
Special tool
...
Symbols
Listed in the table below are the symbols indicating instructions and other
information necessary for servicing.
The meaning of each symbol is also included in the table.
Abbreviations
A:
abdc: after bottom dead center
ac: alternating current
acl: air cleaner, air cleaner box
api: ame ...