Yamaha STAR XVS95CE 2DX1 2014 Service Manual page 350

Fault code No.
Item
5 Defective throttle position
sensor.
6 Malfunction in ECU.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Indicated
Procedure
Probable cause of mal-
Item
function and check
1 Connection of sidestand
switch coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
2 Connection of ECU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
15
Throttle position sensor: open or short circuit detected.
Check throttle position sen-
sor signal.
Execute the diagnostic
mode. (Code No. 01)
When the throttle valves are
fully closed:
A value of 14–20 is indicat-
ed.
When throttle valves are fully
open:
A value of 92–102 is indicat-
ed.
An indicated value is out of
the specified range → Re-
place the throttle position
sensor.
Replace the ECU.
19
Sidestand switch: a break or disconnection of the blue/black
lead of the ECU (engine control unit) is detected.
Unable to start engine
Unable to drive vehicle
20
Sidestand switch
• "ON" (sidestand retracted)
• "OFF" (sidestand extended)
Extend and retract the sidestand (with the transmission in gear).
Maintenance job
Improperly connected →
Connect the coupler secure-
ly or replace the wire har-
ness.
Improperly connected →
Connect the coupler secure-
ly or replace the wire har-
ness.
7-37
FUEL INJECTION SYSTEM
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 6.
Confirmation of service
completion
Turn the main switch to "ON",
and then extend and retract
the sidestand.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 2.
Turn the main switch to "ON",
and then extend and retract
the sidestand.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.