Yamaha FJR13AG Service Manual page 603

Fault code No.
Item
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
1 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).
2 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).
3 Connection of wire harness
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).
4 Wire harness continuity.
5 Defective front wheel sensor.
P2158
Front wheel sensor: no normal signals are received from the front
wheel sensor.
Front wheel speed pulse
0–999
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.
Maintenance job
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Open or short circuit → Replace
the wire harness.
Between front wheel sensor
coupler and ABS ECU coupler.
black–black
white–white
Between ABS ECU coupler and
ECU coupler.
blue/yellow–blue/yellow
Improperly installed sensor →
Reinstall or replace the sensor.
8-126
FUEL INJECTION SYSTEM
Confirmation of service com-
pletion
Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases → Go to item 8
and delete the fault code.
Value does not increase → Go
to item 2.
Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases → Go to item 8
and delete the fault code.
Value does not increase → Go
to item 3.
Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases → Go to item 8
and delete the fault code.
Value does not increase → Go
to item 4.
Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases → Go to item 8
and delete the fault code.
Value does not increase → Go
to item 5.
Execute the diagnostic mode.
(Code No. 16)
Rotate the front wheel by hand
and check that the indicated
value increases.
Value increases → Go to item 8
and delete the fault code.
Value does not increase → Go
to item 6.