Yamaha WR450FB 2012, Руководство по эксплуатации для владельца

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FUEL INJECTION SYSTEM
9-43
Fault code No. 33
Item
Ignition coil: open or short circuit detected in the primary lead
of the ignition coil.
Fail-safe system Unable to start engine
Unable to drive vehicle
Diagnostic code No. d:30
Actuation Actuates the ignition coil five times at one-second intervals.
The engine trouble warning light and the “WARNING” LED on the
diagnostic tool come on each time the ignition coil is actuated.
Procedure Check that a spark is generated five times.
• Connect an ignition checker.
Or-
der
Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service
completion
1 Connection of ignition coil
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).
Improperly connected
o
Connect the coupler securely
or repair/replace the wire har-
ness.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
o
Service is finished.
Fault code number is dis-
played
o
Go to next order.
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).
Improperly connected
o
Connect the coupler securely
or repair/replace the wire har-
ness.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
o
Service is finished.
Fault code number is dis-
played
o
Go to next order.
3 Wire harness continuity. Open or short circuit
o
Re-
place the wire harness.
Between ignition coil coupler
and ECU coupler.
orange–orange
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
o
Service is finished.
Fault code number is dis-
played
o
Go to next order.
4 Installed condition of ignition
coil.
Check for looseness or
pinching.
Improperly installed sensor
o
Reinstall or replace the
sensor.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
o
Service is finished.
Fault code number is dis-
played
o
Go to next order.
5 Defective ignition coil. (test
the primary coils for continu-
ity)
Defective
o
Replace.
Refer to “CHECKING THE
IGNITION COIL” on page 9-
71.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
o
Service is finished.
Fault code number is dis-
played
o
Go to next order.
6 Malfunction in ECU. Execute the diagnostic mode
(diagnostic code No. D30).
No spark
o
Replace the
ECU.