Yamaha XT660R, Руководство по обслуживанию

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7 - 12
FI
FUEL INJECTION SYSTEM
EAS00908
TROUBLESHOOTING DETAILS
This section describes the countermeasures per fault code number displayed on the meter. Check
and service the items or components that are the probable cause of the malfunction following the
order in the “TROUBLESHOOTING CHART”.
After the checking and servicing the malfunctioning part, reset the meter display. Refer to “Restore
method”.
Fault code No.:
Fault code number displayed on the meter when the engine failed to work normally. Refer to
“Diagnostic monitoring code table”.
Diagnostic code No.:
Diagnostic code number to be used when the diagnostic mode is operated. Refer to “DIAGNOS-
TIC MODE”.
Fault code No. 12 Symptom No normal signals are received from the crankshaft position sensor.
Used diagnostic code No. – –
Order Item/components Check or maintenance job Restore method
1 Crankshaft position sensor installa-
tion Check the sensor for looseness or pinching. Reinstated by crank-
ing the engine.
2 Coupler connections
Crankshaft position sensor cou-
pler
ECU coupler
Check the couplers for any pins that may have
pulled out.
Check that the couplers are securely locked.
If necessary, repair the coupler or securely con-
nect it.
3 Open or short circuit in the wire har-
ness Repair or replace if there is an open or short cir-
cuit between the wire harnesses.
Gray - Gray
Green/White - Black/Blue
4 Defective crankshaft position sen-
sor Replace the sensor if it is defective.
Refer to “IGNITION SYSTEM” in chapter 8.