Yamaha Tenere 700 2020, Руководство по обслуживанию

Страница: 376 / 472

FUEL INJECTION SYSTEM
8-65
A-2 Incorrect front wheel sensor sig-
nal. Check the front wheel sensor.
Execute the diagnostic mode.
(Code No. 07)
Rotate the front wheel by hand
and check that the indicated val-
ue increases.
Value does not increase
→
Go
to the section for the defective
front wheel sensor for fault code
No. P0500.
Start the engine and let it idle for
approximately 10 seconds.
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is “Recover”
→
Go to
item A-6 and finish the service.
Condition is “Malfunction”
→
Go
to item A-3.
A-3 Throttle valve does not fully
close. Check the throttle body assem-
bly.
Refer to “THROTTLE BODIES”
on page 7-5.
Check the throttle grip free play.
Refer to “CHECKING THE
THROTTLE GRIP OPERA-
TION” on page 3-29. Start the engine and let it idle for
approximately 10 seconds.
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is “Recover”
→
Go to
item A-6 and finish the service.
Condition is “Malfunction”
→
Go
to item A-4.
A-4 ISC valve is not moving correct-
ly. Replace the ISC valve.
Refer to “Cleaning the ISC (idle
speed control) valve” on page
7-10. Start the engine and let it idle for
approximately 10 seconds.
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is “Recover”
→
Go to
item A-6 and finish the service.
Condition is “Malfunction”
→
Go
to item A-5.
A-5 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-130. Service is finished.
A-6 Delete the fault code and check
that the engine trouble warning
light goes off. Confirm that the fault code has
a condition of “Recover” using
the Yamaha diagnostic tool, and
then delete the fault code.
Fault code No. P0507
Item
A
Component other than ISC (idle speed control) unit is defec-
tive (ISC operating sound is heard).
B
Defective ISC (idle speed control) unit (ISC operating sound is
not heard).
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. 54
Actuation
Fully closes the ISC valve, and then opens the valve. This operation is
performed 3 times and takes approximately 6 seconds each time. The in-
dicator on the Yamaha diagnostic tool screen comes on during the oper-
ation.
Procedure
Check that the ISC unit is actuated three times by listening for the operat-
ing sound.
Item
Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service com-
pletion