– 50 –
FI
FAIL-SAFE ACTION TABLE
Self-diagnostic function
Fault
code No.
Item
Symptom
Fail-safe action
Startability
Driveability
12
Crankshaft position
sensor
No normal signals are
received from the sensor.
—
No
No
13
Intake air pressure
sensor (open or short
circuit)
Open or short circuit is
detected.
• Fixes the intake air pres-
sure to 101 kPa
(760 mmHg, 29.9 inHg).
Yes
Yes
14
Intake air pressure
sensor
Intake air pressure sensor
hose is clogged or discon-
nected, causing the constant
application of atmospheric
pressure to the sensor.
• Fixes the intake air pres-
sure to 101 kPa
(760 mmHg, 29.9 inHg).
Yes
Yes
15
Throttle position sensor
(open or short circuit)
Open or short circuit is
detected.
• Fixes the throttle position
sensor to fully open.
Yes
Yes
16
Throttle position sensor
(stuck)
The throttle position sensor is
detected stuck.
• Fixes the throttle position
sensor to fully open.
Yes
Yes
19
Broken or discon-
nected blue/black lead
of the ECU
Open circuit in the input line
(blue/black) of the ECU is
detected.
—
No
No
21
Coolant temperature
sensor
Open or short circuit is
detected.
• Fixes the coolant tempera-
ture to 80 °C (176 °F).
Yes
Yes
22
Intake air temperature
sensor
Open or short circuit is
detected.
• Fixes the intake air tem-
perature to 20 °C (68 °F).
Yes
Yes
24
O
2
sensor
No normal signal is received
from the O
2
sensor.
—
Yes
Yes
30
Lean angle cut-off
switch (latch up
detected)
The motorcycle has over-
turned.
—
No
No
31
O
2
sensor
The amount of air-fuel ratio
feedback compensation is
maintained continuously in the
vicinity of the upper limit (lean
air-fuel ratio).
—
Yes
Yes
32
O
2
sensor
The amount of air-fuel ratio
feedback compensation is
maintained continuously in the
vicinity of the lower limit (rich
air-fuel ratio).
—
Yes
Yes
33
Faulty ignition
Open circuit is detected in the
primary lead of the ignition
coil.
—
No
No
41
Lean angle cut-off
switch (open or short
circuit)
Open or short circuit is
detected.
—
No
No
42
Speed sensor, neutral
switch
No normal signals are
received from the speed sen-
sor or an open or short circuit
is detected in the neutral
switch.
• Fixes the gear to the top
gear.
Yes
Yes
43
Fuel system voltage
(monitor voltage)
The ECU is unable to monitor
the battery voltage (open cir-
cuit in the wire to the ECU).
• Fixes the battery voltage
to 12 V.
Yes
Yes
44
Error in writing the
amount of CO adjust-
ment on EEPROM
An error is detected while
reading or writing on
EEPROM (CO adjustment
value).
—
Yes
Yes
