Yamaha FJR1300A(D) - Page 505

FUEL INJECTION SYSTEM
8-56
5 Check fuel pressure. Refer to “CHECKING THE
FUEL PRESSURE” on page
7-10.
Start the engine, warm it up,
and then race it, or execute
the diagnostic mode. (Code
No. 63)
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 6.
6 Defective O
2
sensor. Check the O
2
sensor.
Replace if defective.
Refer to “ENGINE REMOV-
AL” on page 5-3.
Start the engine, warm it up,
and then race it, or execute
the diagnostic mode. (Code
No. 63)
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 7.
7 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-174.
Fault code No. 30
Item Latch up detected.
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No. 08
Meter display
Lean angle sensor output voltage
• 0.4–1.4 (upright)
• 3.7–4.4 (overturned)
Procedure
Remove the lean angle sensor and incline it more than 65 de-
grees.
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 The vehicle has overturned. Raise the vehicle upright. Turn the main switch to “ON”,
then to “OFF”, and then back
to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 2.
2 Installed condition of lean
angle sensor.
Check the installed direction
and condition of the sensor.
Turn the main switch to “ON”,
then to “OFF”, and then back
to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.
Fault code No. 24
Item
O
2
sensor: no normal signals are received from the O
2
sensor.