Yamaha R1 Series 2015 Service Manual page 567

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item Probable cause of
malfunction and check
C-1 Locate the malfunction.
C-2 Clutch lever adjustment.
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.
Able to start engine
Able to drive vehicle
21
Clutch switch
• "ON" (when the clutch lever is squeezed 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 extended)
Operate the transmission, clutch lever, and sidestand.
Maintenance job
Execute the diagnostic mode.
(Code No. 07)
Rotate the rear wheel by hand
and check that the indicated
value increases.
Execute the diagnostic mode.
(Code No. 21)
When the transmission is in
neutral: "ON"
When the transmission is in
gear with the clutch lever
released: "OFF"
When the transmission is in
gear with the clutch lever
squeezed and the sidestand
retracted: "ON"
Refer to "ADJUSTING THE
CLUTCH LEVER FREE PLAY"
on page 3-13.
8-86
FUEL INJECTION SYSTEM
Confirmation of service com-
Value does not increase
to item A-2 for the rear wheel
sensor.
Incorrect indication
item B-2 for the neutral switch.
Incorrect indication
item C-2.
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-3.
pletion
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