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 inspectionEngine components removable with the
engine in place
Engine components which can be removed while the engine is installed on the
frame are as follows. For the installing
and removing procedures, refer to respective paragraphs describing each
component.
Center of engine
Item
Removal
Inspection
Installation
...
Diagnostic information and procedures
Engine mechanical symptom diagnosis
Refer to “engine symptom diagnosis” in section 1a .
Compression pressure check
The compression pressure reading of a cylinder is a
good indicator of its internal condition.
The decision to overhaul the cylinder is often based on
the results of a compressio ...
DTC “c23” (p1651-h/l): to sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C23
The sensor voltage should be the
following for 2 sec. And more, after ignition
switch is turned on.
0.2 V ≤ Sensor voltage < 4.8 V
To sensor circuit open or shor ...