Yamaha MT-09 2021, Service Manual

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SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
EAS33032
DIAGNOSTIC CODE: ACTUATOR OPERATION TABLE
87 O
2
feedback learning data
erasure
00
O
2
feedback learning data
has been erased.
01
O
2
feedback learning data
has not been erased.
To erase the O
2
feedback
learning data, push the
“Operation” button 3 times
in 5 seconds.
95 Shift sensor Check the sensor condi-
tion by operating the shift
pedal.
• Shift sensor output volt-
age display
0.2–4.8 [V]
• With no shift weighting
input
Approx. 2.5 [V]
• Shift up weighting Changes to the low side
• Shift down weighting Changes to the high side
Diagnostic
code No.
Item Actuation Procedure
30 Cylinder-#1 ignition coil Actuates the cylinder-#1
ignition coil five times at
one-second intervals.
The “check” indicator on
the YDT screen come on
each time the ignition coil
is actuated. Check that a spark is gen-
erated five times.
• Connect an ignition
checker.
31 Cylinder-#2 ignition coil Actuates the cylinder-#2
ignition coil five times at
one-second intervals.
The “check” indicator on
the YDT screen come on
each time the ignition coil
is actuated. Check that a spark is gen-
erated five times.
• Connect an ignition
checker.
32 Cylinder-#3 ignition coil Actuates the cylinder-#3
ignition coil five times at
one-second intervals.
The “check” indicator on
the YDT screen come on
each time the ignition coil
is actuated. Check that a spark is gen-
erated five times.
• Connect an ignition
checker.
36 Injector #1 Actuates the injector #1
five times at one-second
intervals.
The “check” indicator on
the YDT screen come on
each time the fuel injector
is actuated. Disconnect the fuel pump
coupler before doing this
procedure.
Check that injector #1 is
actuated five times by lis-
tening for the operating
sound.
Diagnostic
code No.
Item Tool display Procedure