Yamaha FJR1300A(D) Service Manual page 511

Fault code No.
Item
6 Malfunction in ECU.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Actuation
36
Procedure
Actuation
37
Procedure
Actuation
38
Procedure
Actuation
39
Procedure
Probable cause of mal-
Item
function and check
1 Identify the malfunctioning
injector.
36
Cylinder-#4 ignition coil: open or short circuit detected in the
primary lead of the cylinder-#4 ignition coil.
Execute the diagnostic
mode. (Code No. 33)
No spark → Replace the
ECU.
Refer to "REPLACING THE
ECU (engine control unit)" on
page 8-174.
39
Injector: open or short circuit detected.
Able to start engine (depending on the number of faulty cylinders)
Able to drive vehicle (depending on the number of faulty cylinders)
36, 37, 38, 39
Actuates injector #1 five times at one-second intervals.
Illuminates the engine trouble warning light.
Check that injector #1 is actuated five times by listening for the op-
erating sound.
Actuates injector #2 five times at one-second intervals.
Illuminates the engine trouble warning light.
Check that injector #2 is actuated five times by listening for the op-
erating sound.
Actuates injector #3 five times at one-second intervals.
Illuminates the engine trouble warning light.
Check that injector #3 is actuated five times by listening for the op-
erating sound.
Actuates injector #4 five times at one-second intervals.
Illuminates the engine trouble warning light.
Check that injector #4 is actuated five times by listening for the op-
erating sound.
Maintenance job
Execute the diagnostic
mode. (Code Nos. 36, 37,
38, 39)
Identify the injector that does
not produce an operating
sound.
Perform the following proce-
dures for the defective injec-
tor.
Refer to "CHECKING THE
FUEL INJECTORS" on page
8-191.
8-62
FUEL INJECTION SYSTEM
Confirmation of service
completion
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