Yamaha FJR13AG Service Manual page 568

Fault code No.
Item
7 Delete the fault code and check
that the engine trouble warning
light goes off.
Fault code No. P0340
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
1 Connection of cylinder identifi-
cation sensor 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).
2 Connection of wire harness
ECU 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).
3 Wire harness continuity.
P0335
Crankshaft position sensor: no normal signals are received from the
crankshaft position sensor.
Confirm that the fault code has
a condition of "Recovered" us-
ing the Yamaha diagnostic tool,
and then delete the fault code.
P0340
Cylinder identification sensor: no normal signals are received from
the cylinder identification sensor.
Unable to start engine
Able to drive vehicle
—
—
—
Maintenance job
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Open or short circuit → Replace
the wire harness.
Between cylinder identification
sensor coupler and ECU cou-
pler.
white/black–white/black
Between cylinder identification
sensor coupler and joint cou-
pler.
blue–blue
black/blue–black/blue
Between joint coupler and ECU
coupler.
blue–blue
black/blue–black/blue
8-91
FUEL INJECTION SYSTEM
Confirmation of service com-
pletion
Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered" → Go
to item 7 and finish the service.
Condition is "Detected" → Go to
item 2.
Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered" → Go
to item 7 and finish the service.
Condition is "Detected" → Go to
item 3.
Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered" → Go
to item 7 and finish the service.
Condition is "Detected" → Go to
item 4.