Yamaha R1 Series 2015, Руководство по обслуживанию, Страница: 580 / 704

FUEL INJECTION SYSTEM
8-99
3 Connection of ABS ECU cou-
pler.
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 4.
4 Connection of ECU 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 5.
5 Wire harness continuity. Open or short circuit
o
Replace
the wire harness.
Between front wheel sensor
coupler and ABS ECU coupler.
black–black
white–white
Between ABS ECU coupler and
ECU coupler.
gray/black–gray/black
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 6.
6 Defective front wheel sensor. Improperly installed sensor
o
Reinstall or replace the sensor.
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 7.
7 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (Engine Control Unit)” on
page 8-180.
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 8.
8 Malfunction in ABS ECU. Replace the ABS ECU. Go to item 9.
9 Delete the fault code. Start the engine, and input the
vehicle speed signals by operat-
ing the vehicle at 20 to 30 km/h
(19 mi/h).
The fault code can also be
deleted by activating the diag-
nostic mode and selecting diag-
nostic code number “63”.
Fault code No. 69
Item
Front wheel sensor: no normal signals are received from the front
wheel sensor.