Yamaha Star XVS13AA(C) 2011 Service Manual page 458

Fault
Item
code No.
Lean angle sensor
30
(latch up detected)
Front cylinder ignition
33 coil
(faulty ignition)
Rear cylinder ignition
34 coil
(faulty ignition)
ISC valve (stuck fully
37
open)
39 Injector
Lean angle sensor
41
(open or short circuit)
Speed sensor
42 Neutral switch
Clutch switch
Fuel system voltage
43
(monitoring voltage)
Error in writing the
44 amount of CO adjust-
ment on EEPROM
Vehicle system power
46 supply
(monitoring voltage)
ECU internal malfunc-
50 tion
(memory check error)
FUEL INJECTION SYSTEM
Symptom
The vehicle has overturned.
Malfunction detected in the prima-
ry wire of the front cylinder ignition
coil.
Malfunction detected in the prima-
ry wire of the rear cylinder ignition
coil.
Engine speed is high when the en-
gine is idling.
Injector: open or short circuit de-
tected.
Lean angle sensor: open or short
circuit detected.
No normal signals are received
from the speed sensor.
Open or short circuit is detected in
the neutral switch.
Open or short circuit is detected in
the clutch switch.
The ECU is unable to monitor the
battery voltage (an open or short
circuit in the line to the ECU).
Error is detected while reading or
writing on EEPROM (CO adjust-
ment value).
Charging voltage is abnormal.
Faulty ECU memory. (When this
malfunction is detected in the
ECU, the fault code number might
not appear on the meter.)
8-51
Able / un-
Able / un-
able to
able to start
drive
Unable Unable
Able Able
(depending (depending
on the on the
number of number of
faulty cylin- faulty cylin-
ders) ders)
Able Able
(depending (depending
on the on the
number of number of
faulty cylin- faulty cylin-
ders) ders)
Able Able
Able Able
(depending (depending
on the on the
number of number of
faulty cylin- faulty cylin-
ders) ders)
Unable Unable
Able Able
Able Able
Able Able
Able Able
Unable Unable