Yamaha R1 Series 2015 Service Manual page 568

Fault code No.
Item
C-3 Connection of clutch switch con-
nector.
Check the locking condition of
the connector.
Disconnect the connector and
check the pins (bent or broken
terminals and locking condition
of the pins).
C-4 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).
C-5 Wire harness continuity.
C-6 Defective clutch switch.
42
A Rear wheel sensor: no normal signals are received from the rear
wheel sensor.
B Neutral switch: open or short circuit is detected.
C Clutch switch: open or short circuit is detected.
Improperly connected
nect the connector 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 ECU coupler and left
handlebar switch coupler.
black/yellow–black/yellow
blue/yellow–blue/yellow
Check the clutch switch.
Replace if defective.
Refer to "CHECKING THE
SWITCHES" on page 8-177.
8-87
FUEL INJECTION SYSTEM
Con- Execute the diagnostic mode.
(Code No. 21)
When the clutch lever is
released with the transmission
in gear and when the sidestand
is retracted: "OFF"
When the clutch lever is
squeezed with the transmission
in gear and when the sidestand
is retracted: "ON"
Correct indication
C-8.
Incorrect indication
item C-4.
Con- Execute the diagnostic mode.
(Code No. 21)
When the clutch lever is
released with the transmission
in gear and when the sidestand
is retracted: "OFF"
When the clutch lever is
squeezed with the transmission
in gear and when the sidestand
is retracted: "ON"
Correct indication
C-8.
Incorrect indication
item C-5.
Replace Execute the diagnostic mode.
(Code No. 21)
When the clutch lever is
released with the transmission
in gear and when the sidestand
is retracted: "OFF"
When the clutch lever is
squeezed with the transmission
in gear and when the sidestand
is retracted: "ON"
Correct indication
C-8.
Incorrect indication
item C-6.
Execute the diagnostic mode.
(Code No. 21)
When the clutch lever is
released with the transmission
in gear and when the sidestand
is retracted: "OFF"
When the clutch lever is
squeezed with the transmission
in gear and when the sidestand
is retracted: "ON"
Correct indication
C-8.
Incorrect indication
item C-7.
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