Yamaha FJR1300A(D), Service Manual

Page: 518 / 662

FUEL INJECTION SYSTEM
8-69
6 Defective gear position
switch (neutral circuit). Check the gear position
switch.
Refer to “CHECKING THE
SWITCHES” on page 8-169. Execute the diagnostic
mode. (Code No. 21)
When the clutch lever is re-
leased: “OFF”
When the clutch lever is
squeezed: “ON”
Correct indication
→
Go to
item 9.
Incorrect indication
→
Go to
item 7.
7 Faulty shift drum (neutral de-
tection area). Malfunction
→
Replace the
shift drum.
Refer to “TRANSMISSION”
on page 5-97.
Execute the diagnostic
mode. (Code No. 21)
When the clutch lever is re-
leased: “OFF”
When the clutch lever is
squeezed: “ON”
Correct indication
→
Go to
item 9.
Incorrect indication
→
Go to
item 8.
8 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-174.
9 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
delete by activating the diag-
nostic mode and selecting di-
agnostic 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
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.