Troubleshooting Details - Yamaha FZ09E Service Manual

FUEL INJECTION SYSTEM
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When the Yamaha diagnostic tool is connected to the vehicle, the operation of the multi-function meter
and indicators will be different from the normal operation.
TROUBLESHOOTIN G 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 8-36.
Fault code No. 12
Item
Crankshaft position sensor: no normal signals are received
from the crankshaft position sensor.
Fail-safe system Unable to start engine
Unable to drive vehicle
Diagnostic code No.
-
Meter display
-
Procedure
-
Item Probable cause of Maintenance job Confirmation of service
malfunction and check
completion
1
Connection of crankshaft
Improperly connected -+
Crank the engine.
position sensor coupler. Connect the coupler securely
Fault code number is not dis-
Check the locking condition or replace the wire harness. played -+ Service is finished.
of the coupler. Fault code number is dis-
Disconnect the coupler and played -+ Go to item 2.
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
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