Troubleshooting Details - Yamaha XT1200Z(Z) 2010 Service Manual

• If a diagnostic code No. does not have a corresponding fault code number, the information is shown
in "DIAGNOSTIC CODE TABLE". (Refer to "DIAGNOSTIC CODE TABLE" on page 8-73.)
8. Connect the wire harness coupler to the fuel pump.
EAS27462

TROUBLESHOOTING DETAILS

This section describes the measures 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 given.
After the check and service of the malfunctioning part have been completed, reset the meter display
according to the reinstatement method.
Fault code No.:
Fault code number displayed on the meter when the engine failed to work normally.
Diagnostic code No.:
Diagnostic code number to be used when the diagnostic mode is operated. Refer to "DIAGNOSTIC
MODE" on page 8-34.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Probable cause of mal-
Item
function and check
1 Connection of crankshaft po-
sition sensor coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
2 Connection of wire harness
ECU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
3 Wire harness continuity.
12
Crankshaft position sensor: no normal signals are received
from the crankshaft position sensor.
Unable to start engine
Unable to drive vehicle
—
—
—
Maintenance job
Improperly connected →
Connect the coupler secure-
ly or repair/replace the wire
harness.
Improperly connected →
Connect the coupler secure-
ly or repair/replace the wire
harness.
Open or short circuit → Re-
place the wire harness.
Between the crankshaft posi-
tion sensor coupler and ECU
coupler.
black/blue–black/blue
gray–gray
8-36
FUEL INJECTION SYSTEM
Confirmation of service
completion
Crank the engine.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 2.
Crank the engine.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.
Crank the engine.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 4.