Yamaha XV19SW Service Manual page 375

Fault
Item
code No.
Cylinder-#1 left or
33 right ignition coil
(faulty ignition)
Cylinder-#2 left or
34 right ignition coil
(faulty ignition)
Cylinder-#1 left or
35 right ignition coil
(faulty ignition)
Cylinder-#2 left or
36 right ignition coil
(faulty ignition)
ISC valve (stuck fully
37
open)
Lean angle sensor
41
(open or short circuit)
Speed sensor
42
Neutral 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
Malfunction detected in the prima-
ry wire of the cylinder-#1 left or
right ignition coil.
Malfunction detected in the prima-
ry wire of the cylinder-#2 left or
right ignition coil.
Malfunction detected in the prima-
ry wire of the cylinder-#1 left or
right ignition coil.
Malfunction detected in the prima-
ry wire of the cylinder-#2 left or
right ignition coil.
Engine speed is high when the en-
gine is idling.
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.
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).
Power supply to the fuel injection
system is not normal.
Faulty ECU memory. (When this
malfunction is detected in the
ECU, the fault code number might
not appear on the meter.)
7-31
Able / un-
Able / un-
able to
able to start
drive
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
(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
Unable Unable
Able Able
Able Able
Able Able
Able Able
Unable Unable