Yamaha FJR1300AS(X), Service Manual

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FUEL INJECTION SYSTEM
8-67
22
Intake air tempera-
ture sensor
(open or short circuit)
Intake air temperature sensor:
open or short circuit detected.
Able Able
24
O
2
sensor
(inactive)
No normal signal is received from
the O
2
sensor.
Able Able
30 Lean angle sensor
Latch up detected.
No normal signal is received from
the lean angle sensor.
Unable Unable
31
O
2
sensor
(compensation stuck
to upper limit)
The amount of air-fuel ratio feed-
back compensation is maintained
continuously in the vicinity of the
upper limit (lean air-fuel ratio).
Able Able
32
O
2
sensor
(compensation stuck
to lower limit)
The amount of air-fuel ratio feed-
back compensation is maintained
continuously in the vicinity of the
lower limit (rich air-fuel ratio).
Able Able
33
Cylinders-#1/#4 igni-
tion coil
(faulty ignition) Malfunction detected in the prima-
ry wire of the cylinders-#1/#4 igni-
tion coil.
Able
(depending
on the
number of
faulty cylin-
ders) Able
(depending
on the
number of
faulty cylin-
ders)
34
Cylinders-#2/#3 igni-
tion coil
(faulty ignition) Malfunction detected in the prima-
ry wire of the cylinders-#2/#3 igni-
tion coil.
Able
(depending
on the
number of
faulty cylin-
ders) Able
(depending
on the
number of
faulty cylin-
ders)
41
Lean angle sensor
(open or short circuit) Lean angle sensor: open or short
circuit detected.
Unable Unable
42
Rear wheel sensor
No normal signals are received
from the rear wheel sensor.
Able Able
Gear position switch
(neutral circuit)
(FJR1300A) Open or short circuit is detected in
the neutral circuit of the gear posi-
tion switch.
Neutral switch
(FJR1300AS) 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 An error is detected while reading
or writing on EEPROM (CO ad-
justment value).
Able Able
46
Vehicle system power
supply
(monitoring voltage)
Power supply to the fuel injection
system is not normal.
Able Able
Fault
code No.
Item Symptom
Able / un-
able to start
Able / un-
able to
drive