Troubleshooting Details - Yamaha XT660R 2004 Service Manual

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
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
Used diagnostic code No. – –
Order Item/components
1 Crankshaft position sensor installa-
tion
2 Coupler connections
Crankshaft position sensor cou-
pler
ECU coupler
3 Open or short circuit in the wire har-
ness
4 Defective crankshaft position sen-
sor
email: info@motomatrix.co.uk
FUEL INJECTION SYSTEM
Symptom No normal signals are received from the crankshaft position sensor.
Check or maintenance job
Check the sensor for looseness or pinching.
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.
Repair or replace if there is an open or short cir-
cuit between the wire harnesses.
Gray - Gray
Green/White - Black/Blue
Replace the sensor if it is defective.
Refer to "IGNITION SYSTEM" in chapter 8.
7 - 12
FI
Restore method
Reinstated by crank-
ing the engine.