Yamaha FJR 1300 AE 2014 Service Manual page 494

Fault code No.
Item
3 Wire harness continuity.
4 Installed condition of crank-
shaft position sensor.
Check for looseness or
pinching.
Check the gap between the
crankshaft position sensor
and the pickup rotor.
5 Defective crankshaft posi-
tion sensor.
6 Malfunction in ECU.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Probable cause of mal-
Item
function and check
12
Crankshaft position sensor: no normal signals are received
from the crankshaft position sensor.
Open or short circuit → Re-
place the wire harness.
Between crankshaft position
sensor coupler and ECU
coupler.
gray/white–gray/white
Between crankshaft position
sensor coupler and joint cou-
pler.
black/blue–black/blue
Between joint coupler and
ECU coupler.
black/blue–black/blue
Improperly installed sensor
→ Reinstall or replace the
sensor.
Refer to "PICKUP ROTOR"
on page 5-35.
Check the crankshaft posi-
tion sensor.
Refer to "CHECKING THE
CRANKSHAFT POSITION
SENSOR" on page 8-204.
Replace if defective.
Replace the ECU.
Refer to "REPLACING THE
ECU (engine control unit)" on
page 8-196.
13
Intake air pressure sensor: open or short circuit detected.
Able to start engine
Able to drive vehicle
03
Displays the intake air pressure.
Operate the throttle while pushing the " " side of the start/engine
stop switch. (If the display value changes, the performance is OK.)
Maintenance job
8-43
FUEL INJECTION SYSTEM
Crank the engine.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 4.
Crank the engine.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 5.
Crank the engine.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 6.
Confirmation of service
completion