Yamaha R1 Series 2015, Руководство по обслуживанию

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FUEL INJECTION SYSTEM
8-98
Fault code No. 69
6 Defective O
2
sensor 2. Check the O
2
sensor 2.
Replace if defective.
Refer to “ENGINE REMOVAL”
on page 5-3.
Start the engine, warm it up,
and then race it, or execute the
diagnostic mode. (Code No. 63)
Fault code number is not dis-
played
o
Service is finished.
Fault code number is displayed
o
Go to item 7.
7 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (Engine Control Unit)” on
page 8-180.
Fault code No. 69
Item
Front wheel sensor: no normal signals are received from the front
wheel sensor.
Fail-safe system Able to start engine
Able to drive vehicle
Diagnostic code No. 16
Meter display Front wheel speed pulse
0–999
Procedure Check that the number increases when the front wheel is rotated. The
number is cumulative and does not reset each time the wheel is stopped.
Item Probable cause of
malfunction and check
Maintenance job Confirmation of service com-
pletion
1 Locate the malfunction. If the ABS warning light is on,
refer to “BASIC INSTRUC-
TIONS FOR TROUBLESHOOT-
ING” on page 8-128.
If the ABS warning light is off,
perform the following procedure.
Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases
o
Go to item 9
and delete the fault code.
Value does not increase
o
Go
to item 2.
2 Connection of front wheel sen-
sor coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
Improperly connected
o
Con-
nect the coupler securely or
replace the wire harness.
Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases
o
Go to item 9
and delete the fault code.
Value does not increase
o
Go
to item 3.
Fault code No. 68
Item O
2
sensor 2: no normal signals are received from the O
2
sensor 2.