Yamaha WR450FB 2012 Owner's Service Manual page 333

· FUEL INJECTION SYSTEM
Diag-
nostic
Item Details
Standard values of the meter dis-
code
play or description of operation
No.
d:30 Ignition coil
Check that power is sup-
Actuates the ignition coil five times at
plied to the ignition coil.
1-second intervals.
• Check that a spark is gen- The 11
WARNING
11
LED on the Fl diag-
erated.
nostic tool comes on each time the ig-
nition coil is actuated.
d:36 Fuel injector (#1) Check that power is sup- TIP:- Before performing this opera-
plied to the fuel injector. tion, be sure to disconnect the fuel
Check the fuel injector op-
pump coupler.
eration by listening for the
Actuates the fuel injector five times at
operating sound or by con- 1-second intervals.
firming the operation visual- The "WARNING" LED on the Fl diag-
ly. nostic tool comes on each time the fuel
injector is actuated.
d:52 Headlight relay Check the headlight relay Actuates the headlight relay five times
Headlight operation by listening for at 5-second intervals.
the operating sound. The "WARNING" LED on the Fl diag-
riostic tool comes on each time the
headlight relay is actuated.
d:60 . EEPROM fault
Displays the location of the
00: No fault (If fault code number 44 is
code number dis- abnormal portion of the EE- displayed, the ECU is malfunctioning.)
play
PROM data that has been 01: CO adjustment value
detected as fault code num-
ber 44.
If there is more than one lo-
cation, the display alter-
nates every 2 seconds.
d:61 Malfunction history Displays the fault code
00: No malfunction history (6)
(~)
code number
numbers that were previ-
Other number displayed: Displays the
*
ously recorded in the mal-
code numbers recorded in the mal- display 1
function
history(~).
function history 6. Refer to the fault
If more than one code num- codes.
ber is detected,· the display
:
-
alternates every 2 seconds
to show all the detected
code numbers.
d:62
Malfunction history Displays the total number of 00: No malfunction history (X and 6)
(6)
cod~
number
m_alfunctions that have
Other number displayed: Displays the
erasure 1
been recorded in the mal-
total number of malfunctions that have
·function history (x and 6).
been recorded in the malfunction his-
In addition, erases the mal- tory (x and
~).
function
history(~).
When this operation starts, all of the
malfunctions (6) are overwritten to the
normal condition
(0).
(Tl P: The malfunctions. [X] are not
overwritten to the normal condition
[O].)
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