Yamaha FZ 25 2021 Supplementary Service Manual page 164

Abnormal
Item
code engine
Vehicle
power P0560
source
ECU in-
ternal
failure
P0601 Unable
(ROM
data er-
ror)
FID
solenoid
(open or P0511
short
circuit)
O
2
sensor
heater P0030
(Does not
work)
SELF-DIAGNOSTIC FUNCTION AND
DIAGNOSTIC CODE TABLE
Start Probable
Travel
malfunction
- Battery over-
charging
(REC/REG fail-
ure).
- Battery over-
charging (open
circuit in
REC/REG har-
Able Able ness).
- Battery over-dis-
charging (open
circuit in charg-
ing system).
- Battery over-dis-
charging
(REC/REG fail-
ure).
- ECU malfunc-
tion.
Unable
- Coupler malfunc-
tion between FID
and ECU.
- Open or short
circuit in harness
Able Able between FID
and ECU.
- Defective FID so-
lenoid.
- ECU malfunc-
tion.
- Coupler malfunc-
tion between
sensor and
ECU.
- Sky fault in har-
ness between
sensor and
Able Able
ECU.
- Sensor malfunc-
tion.
- ECU malfunc-
tion.
- Open circuit in
the heater.
Direct cause
symptoms
The regulator Startability
does not work deterioration.
properly. Exhaust gas
The battery is not deterioration.
charged properly. Battery dete-
rioration/fail-
ure.
ECU memory de- Inability to
struction. start.
FID solenoid does Startability
not drive. deterioration.
Instable
idling.
High engine
idle speed.
Mismatch be- (When the
tween ON/OFF in- exhaust tem-
struction to O perature is
2
sensor driver low and the
and abnormal O
2
monitor signal not activat-
ed).
Exhaust gas
deterioration.
Fuel learning
cannot be
carried out.
6-34
ELEC
System
Vehicle
operation on
failure
O2FB learn-
ing is prohib-
ited.
Inability to
start.
Ignition and
injection are
prohibited.
Other self-di-
agnostic ab-
normality
judgment
stopped.
Writing to
EEPROM
stopped.
FID solenoid
energization
is prohibited.
If O sensor
2
is not activat-
ed, O feed-
2
back is
sensor is prohibited.
– +
Operation
example for
causing
abnormal
state
Unable to de-
liberately
generate ab-
normality.
Unable to de-
liberately
generate ab-
normality.
Disconnect
one of the
output signal
leads to the
FID solenoid
or discon-
nect it at the
switch box
and start the
engine.
Disconnect
the OH/OH2
lead at the
switch box,
and start the
engine.