Yamaha FJR13AG Service Manual page 572

Fault code No.
Item
5 Defective cylinder-#2 ignition
coil.
6 Malfunction in ECU.
7 Delete the fault code and check
that the engine trouble warning
light goes off.
Fault code No. P0353
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Actuation
Procedure
Probable cause of malfunc-
Item
tion and check
1 Connection of cylinder-#3 igni-
tion coil 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).
P0352
Cylinder-#2 ignition coil: open or short circuit detected in the prima-
ry lead of the cylinder-#2 ignition coil.
Measure the primary coil resis-
tance of the cylinder-#2 ignition
coil.
Replace if out of specification.
Refer to "CHECKING THE IG-
NITION COILS" on page 8-257.
Execute the diagnostic mode.
(Code No. 31)
No spark → Replace the ECU.
Refer to "REPLACING THE
ECU (engine control unit)" on
page 8-250.
Confirm that the fault code has
a condition of "Recovered" us-
ing the Yamaha diagnostic tool,
and then delete the fault code.
P0353
Cylinder-#3 ignition coil: open or short circuit detected in the prima-
ry lead of the cylinder-#3 ignition coil.
Able to start engine (depending on the number of faulty cylinders)
Able to drive vehicle (depending on the number of faulty cylinders)
32
Actuates the cylinder-#3 ignition coil five times at one-second intervals.
The "check" indicator on the Yamaha diagnostic tool screen comes on
each time the ignition coil is actuated.
Check that a spark is generated five times.
• Connect an ignition checker.
Maintenance job
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
8-95
FUEL INJECTION SYSTEM
Start the engine and let it idle for
approximately 5 seconds.
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 6.
Service is finished.
Confirmation of service com-
pletion
Start the engine and let it idle for
approximately 5 seconds.
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.