Yamaha YZ450FA 2011, Руководство по эксплуатации для владельца

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7-31
FUEL INJECTION SYSTEM
Fault code No. 33
Symptom Ignition system circuit signal is not received properly.
Fail-safe system Unable to start
Unable to drive
Diagnostic code No. D30
FI diagnostic tool dis-
play Actuates the ignition coil for five times every second.
The "WARNING" LED on the FI diagnostic tool comes on each time the ig-
nition coil is actuated.
Checking method
Check the spark five times.
• Connect an ignition checker.
Item Item/components and probable cause Check or maintenance job Checking method
1 Check the connection and locking con-
dition of the ignition coil coupler.
Disconnect the coupler and check the
pins. (bent or broken terminals and
locking condition of the pins) Poor connection
→
Properly
connect, repair, or replace.
Start the engine and
let it idle for approxi-
mately 5 seconds.
After completing the
above operation,
check whether a fault
code number is dis-
played.
Fault code number
is not displayed
→
Service is finished.
Fault code number
is displayed
→
Re-
fer to item 2.
2 Check the connection and locking con-
dition of the wire harness ECU coupler.
Disconnect the coupler and check the
pins. (bent or broken terminals and
locking condition of the pins) Poor connection
→
Properly
connect, repair, or replace.
Start the engine and
let it idle for approxi-
mately 5 seconds.
After completing the
above operation,
check whether a fault
code number is dis-
played.
Fault code number
is not displayed
→
Service is finished.
Fault code number
is displayed
→
Re-
fer to item 3.