EngineDiagnostic information and procedures
Drive chain and sprocket symptom diagnosis
Condition
Possible cause
Correction / reference item
Noisy drive chain
Worn sprocket
Replace
Worn drive chain
Replace
Stretched drive chain
Replace
Too large drive chain slack
Adju ...
DTC “c31” (p0705): gp switch circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
No gear position switch voltage
Gp switch voltage is not within the following range.
Gp switch voltage > 0.6 V
Gp switch circuit open or short.
Gp switch malfunction.
...
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 ...