Yamaha ROADLINER XV19SW, Service Manual

Page: 375 / 444

FUEL INJECTION SYSTEM
7-31
33
Cylinder-#1 left or
right ignition coil
(faulty ignition) Malfunction detected in the prima-
ry wire of the cylinder-#1 left or
right ignition coil.
Able
(depending
on the
number of
faulty cylin-
ders) Able
(depending
on the
number of
faulty cylin-
ders)
34
Cylinder-#2 left or
right ignition coil
(faulty ignition) Malfunction detected in the prima-
ry wire of the cylinder-#2 left or
right ignition coil.
Able
(depending
on the
number of
faulty cylin-
ders) Able
(depending
on the
number of
faulty cylin-
ders)
35
Cylinder-#1 left or
right ignition coil
(faulty ignition) Malfunction detected in the prima-
ry wire of the cylinder-#1 left or
right ignition coil.
Able
(depending
on the
number of
faulty cylin-
ders) Able
(depending
on the
number of
faulty cylin-
ders)
36
Cylinder-#2 left or
right ignition coil
(faulty ignition) Malfunction detected in the prima-
ry wire of the cylinder-#2 left or
right ignition coil.
Able
(depending
on the
number of
faulty cylin-
ders) Able
(depending
on the
number of
faulty cylin-
ders)
37
ISC valve (stuck fully
open) Engine speed is high when the en-
gine is idling.
Able Able
41
Lean angle sensor
(open or short circuit) Lean angle sensor: open or short
circuit detected.
Unable Unable
42
Speed sensor
No normal signals are received
from the speed sensor.
Able Able
Neutral switch
Open or short circuit is detected in
the neutral switch.
43
Fuel system voltage
(monitoring voltage)
The ECU is unable to monitor the
battery voltage
(an open or short circuit in the line
to the ECU).
Able Able
44
Error in writing the
amount of CO adjust-
ment on EEPROM Error is detected while reading or
writing on EEPROM (CO adjust-
ment value).
Able Able
46
Vehicle system power
supply
(Monitoring voltage)
Power supply to the fuel injection
system is not normal.
Able Able
50
ECU internal malfunc-
tion
(memory check error)
Faulty ECU memory. (When this
malfunction is detected in the
ECU, the fault code number might
not appear on the meter.)
Unable Unable
Fault
code No.
Item Symptom
Able / un-
able to start
Able / un-
able to
drive