Yamaha R15 2022 Service Manual page 407

FUEL INJECTION SYSTEM TROUBLESHOOTING
Fault code No.
Item
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 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.
P0500
Front wheel sensor: normal signals are not received from the front
wheel sensor.
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.
red–red
green–green
Between ABS ECU coupler and
ECU coupler.
white–white
Installed condition of front wheel
sensor.
Improperly installed front wheel
sensor → Reinstall or replace
the front wheel sensor. Execute
the diagnostic mode. (Code No.
07)
Front wheel stopped: Check
that the cumulative pulse value
does not increase.
Front wheel is rotated several
turns by hand: Check that the
cumulative pulse value increas-
es.
Incorrect → Replace the front
wheel sensor.
8-74
ELEC
Execute the diagnostic mode.
(Code No. 07)
Rotate the front wheel by hand
and check the condition of the
fault code using the malfunction
mode of the YDT.
Condition is "Recover" → Go to
item 8 and finish the service.
Condition is "Malfunction" → Go
to item 3.
Execute the diagnostic mode.
(Code No. 07)
Rotate the front wheel by hand
and check the condition of the
fault code using the malfunction
mode of the YDT.
Condition is "Recover" → Go to
item 8 and finish the service.
Condition is "Malfunction" → Go
to item 4.
Execute the diagnostic mode.
(Code No. 07)
Rotate the front wheel by hand
and check the condition of the
fault code using the malfunction
mode of the YDT.
Condition is "Recover" → Go to
item 8 and finish the service.
Condition is "Malfunction" → Go
to item 5.
Execute the diagnostic mode.
(Code No. 07)
Rotate the front wheel by hand
and check the condition of the
fault code using the malfunction
mode of the YDT.
Condition is "Recover" → Go to
item 8 and finish the service.
Condition is "Malfunction" → Go
to item 6.
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