Yamaha FJR1300A(D), Service Manual, Page: 516 / 662

FUEL INJECTION SYSTEM
8-67
8 Delete the fault code. Turn the main switch to “ON”,
and then rotate the rear
wheel by hand.
Start the engine, and input
the vehicle speed signals by
operating the vehicle at 20 to
30 km/h (19 mph).
The fault code can also be
deleted by activating the di-
agnostic mode and selecting
diagnostic code number “63”.
Fault code No. 42
Item
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.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. 21
Meter display
Neutral
• “ON” (when the transmission is in neutral)
• “OFF” (when the transmission is in gear or the clutch lever re-
leased)
Procedure Shift the transmission.
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Locate the malfunction. Execute the diagnostic
mode. (Code No. 07)
Rotate the rear wheel by
hand and check that the indi-
cated value increases. Value does not increase
→
Go to item 2 in section A for
the rear wheel sensor.
Execute the diagnostic
mode. (Code No. 21)
When the transmission is in
neutral: “ON”
When the transmission is in
gear with the clutch lever re-
leased: “OFF” Incorrect indication
→
Go to
item 2.
When the transmission is in
gear with the clutch lever
squeezed and the sidestand
is retracted: “ON” Incorrect indication
→
Go to
item 2 in section C for the
clutch switch.
Fault code No. 42
Item
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.