Yamaha FJR13AG, Service Manual

Page: 572 / 784

FUEL INJECTION SYSTEM
8-95
Fault code No. P0353
5 Defective 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. 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.
6 Malfunction in ECU. Execute the diagnostic mode.
(Code No. 31)
No spark
→
Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-250.
Service is finished.
7 Delete the fault code and check
that the engine trouble warning
light goes off. Confirm that the fault code has
a condition of “Recovered” us-
ing the Yamaha diagnostic tool,
and then delete the fault code.
Fault code No. P0352
Item
Cylinder-#2 ignition coil: open or short circuit detected in the prima-
ry lead of the cylinder-#2 ignition coil.
Fault code No. P0353
Item
Cylinder-#3 ignition coil: open or short circuit detected in the prima-
ry lead of the cylinder-#3 ignition coil.
Fail-safe system
Able to start engine (depending on the number of faulty cylinders)
Able to drive vehicle (depending on the number of faulty cylinders)
Diagnostic code No. 32
Actuation
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.
Procedure
Check that a spark is generated five times.
• Connect an ignition checker.
Item
Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service com-
pletion
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). Improperly connected
→
Con-
nect the coupler securely or re-
place the wire harness.
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.