Yamaha FZ 25 2021 Supplementary Service Manual page 189

Fault code No.
Symptoms
Diagnostic code No.
Item and components and
Item
probable cause
4 Faulty O sensor heater
2
5 ECU malfunction
6 EG warning light, delete the
fault code.
Fault code No.
Symptoms
Diagnostic code No.
Item and components and
Item
probable cause
1 Installed condition of O
2 Connection of O
pler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
SELF-DIAGNOSTIC FUNCTION AND
DIAGNOSTIC CODE TABLE
P0030
Faulty O sensor heater operation
2
Faulty O
place the O
Replace the ECU.
Delete this fault code with the
status "Recovered" in the
Yamaha diagnostic tool.
P0132
Short circuit in the O
sensor. Check the installation part for
2
looseness and stuck places.
Defective connections  Re-
sensor cou-
2
connect or replace the harness.
Actions
sensor heater  Re-
2
sensor.
2
sensor detected (sky fault).
2
Actions
6-59
ELEC
Confirmation procedure after
actions
Turn the main switch to "ON",
and then check the condition of
the fault code in diagnostic
mode of the Yamaha diagnostic
tool.
Condition is Recovered  Go to
item 6 and finish the service.
Condition is Detected  Start
EG and check the condition of
the fault code
Condition is Recovered  Go to
item 6 and finish the service.
Condition is Detected  Go to
item 5.
Note: At this time, check with
the engine stop switch "ON".
Finish the service.
Confirmation procedure after
actions
Turn the main switch to "ON",
and then check the condition of
the fault code in diagnostic
mode of the Yamaha diagnostic
tool.
Condition is Recovered  Go to
item 7 and finish the service.
Condition is Detected  Go to
item 2.
Turn the main switch to "ON",
and then check the condition of
the fault code in diagnostic
mode of the Yamaha diagnostic
tool.
Condition is Recovered  Go to
item 7 and finish the service.
Condition is Detected  Go to
item 3.
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