Yamaha YZ450FF 1SL-28199-11, Owner'S Service Manual

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LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS
9-6
*
1: Symbols used in the explanations of the malfunction history
: Normal
: There is currently a malfunction or abnormal condition.
: A malfunction or abnormal condition occurred previously, but the affected system or component
is currently operating normally.
ACTUATOR OPERATION TABLE
62 Malfunction history ( )
code No. erasure *1
• There is no history.
• There is some history.
• 00
• Other: Displays the total
number of ( ) and ( ).
Replace all ( ) with ( )
by the operation start pro-
cessing.
64 Setting history display
• There is no history.
• There is some history.
• History is unknown (Histo-
ry data is damaged).
Displays the presence or ab-
sence of the setting history by
Power Tuner.
• 00
• 01
• 02
—
65 Setting map erasure
• There is no setting.
• There is some setting.
Displays the presence or ab-
sence of the setting history by
Power Tuner.
• 00
• 01
Erase all setting maps by
the operation start process-
ing.
70 Program version number Displays a program version
No.
—
Diag-
nostic
code
No.
ITEM Actuation Procedure
30 Ignition coil Actuates the ignition coil five
times at one-second inter-
vals.
“WARNING” on the Yamaha
diagnostic tool blinks five
times when the ignition coil is
actuated.
Check that a spark is gener-
ated five times.
• Connect an ignition
checker.
36 Injector Actuates the injector five
times at one-second inter-
vals.
“WARNING” on the Yamaha
diagnostic tool blinks five
times when the injector is ac-
tuated.
TIP: Before performing
this operation, be sure to
disconnect the fuel pump
coupler.
Check that injector is actu-
ated five times by listening
for the operating sound.
Diag-
nostic
code
No.
ITEM Display Procedure