Yamaha MTN1000 2016 Service Manual page 498

Fault code No. P0500, P1500
TIP
In case "P0500" is detected, or both "P0500" and "P1500" are detected, proceed from item A-1.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
A-1 Locate the malfunction.
A-2 Connection of rear 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).
P0500, P1500
Rear wheel sensor: no normal signals are received from the
A
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
07
Rear wheel speed pulse
0–999
Check that the number increases when the rear wheel is rotated. The
number is cumulative and does not reset each time the wheel is stopped.
Maintenance job
(Fault code No. P0500 or P0500
and P1500 detected.)
Execute the diagnostic mode.
(Code No. 07)
Rotate the rear wheel by hand
and check that the indicated
value increases.
(Fault code No. P1500
detected.)
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"
Improperly connected  Con-
nect the coupler securely or
replace the wire harness.
8-81
FUEL INJECTION SYSTEM
Confirmation of service com-
Value does not increase  Go
to item A-2.
Incorrect indication  Go to
item B-2 for the neutral switch.
Incorrect indication  Go to
item C-2 for the clutch switch.
Execute the diagnostic mode.
(Code No. 07)
Rotate the rear wheel by hand
and check that the indicated
value increases.
Value increases  Go to item
A-8.
Value does not increase  Go
to item A-3.
pletion