Manual transmission symptom diagnosis

Spark plug inspection and cleaning
Inspect spark plug
every 6 000 km (4 000 miles, 12 months)
Heat range
Remove the spark plugs. Refer to “ignition coil and spark plug removal
and installation” in section 1h .
Check spark plug heat range by observing electrode
color. If the electrode of the spark plug is wet
appe ...
DTC “c40” (p0505 / p0506 / p0507): isc
valve circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
C40/P0505
The circuit voltage of motor drive is
unusual.
Isc valve circuit open or shorted to ground.
Air passage clogged.
Isc valve is fixed.
Isc valve prese ...
Starter torque limiter inspection
Removal
Remove the clutch cover. Refer to “clutch removal” in section 5c .
Remove the washers (1), starter idle gear no. 1 (2)
And no. 2 (3).
Remove the starter idle gear no. 2 Bearing (4), shaft
(5) and washer (6).
Hold the starter clutch with the special tool an ...