Yamaha STAR XVS95CE 2DX1 2014 Service Manual page 362

Fault code No.
Item
8 Delete the fault code.
TIP
• Do not remove the ISC (idle speed control) valve.
• If fault code numbers "37" and "46" are both indicated, take the actions specified for fault code number
"46" first.
• If fault code numbers "37" and "42" are both indicated, take the actions specified for fault code number
"42" first.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Actuation
36
Procedure
Actuation
37
Procedure
Probable cause of mal-
Item
function and check
1 Identify the malfunctioning
injector.
37
Component other than ISC (idle speed control) unit is defective
A
(ISC operating sound is heard).
Defective ISC (idle speed control) unit (ISC operating
B
sound is not heard).
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
Actuates front cylinder injector five times at one-second intervals.
Illuminates the engine trouble warning light.
Check that front cylinder injector is actuated five times by listening
for the operating sound.
Actuates rear cylinder injector five times at one-second intervals.
Illuminates the engine trouble warning light.
Check that rear cylinder injector is actuated five times by listening
for the operating sound.
Maintenance job
Execute the diagnostic
mode. (Code Nos. 36, 37)
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
7-92.
7-49
FUEL INJECTION SYSTEM
Start the engine and let it idle
for approximately 10 sec-
onds.
Check that the fault code
number is not displayed.
Confirmation of service
completion
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