Yamaha R1 Series 2015 Service Manual page 580

Fault code No.
Item
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).
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).
5 Wire harness continuity.
6 Defective front wheel sensor.
7 Malfunction in ECU.
8 Malfunction in ABS ECU.
9 Delete the fault code.
69
Front wheel sensor: no normal signals are received from the front
wheel sensor.
Improperly connected
nect the coupler securely or
replace the wire harness.
Improperly connected
nect the coupler securely or
replace the wire harness.
Open or short circuit
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
Improperly installed sensor
Reinstall or replace the sensor.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-180.
Replace the ABS ECU.
8-99
FUEL INJECTION SYSTEM
Con- Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases
and delete the fault code.
Value does not increase
to item 4.
Con- Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases
and delete the fault code.
Value does not increase
to item 5.
Replace Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases
and delete the fault code.
Value does not increase
to item 6.
Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases
and delete the fault code.
Value does not increase
to item 7.
Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases
and delete the fault code.
Value does not increase
to item 8.
Go to item 9.
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".
Go to item 9
Go
Go to item 9
Go
Go to item 9
Go
Go to item 9
Go
Go to item 9
Go