Yamaha FZ 25 2021, Supplementary Service Manual

Page: 186 / 247

6-56
– +
ELEC
SELF-DIAGNOSTIC FUNCTION AND
DIAGNOSTIC CODE TABLE
2 When 01 is indicated in diag-
nostic mode (code No. D60),
EEPROM data error for adjust-
ment of CO concentration. Switch to the CO adjustment
mode with the Yamaha diagnos-
tic tool, perform the CO adjust-
ment (press “Step up” or “Step
down” once *1), and turn “OFF”
the main switch.
For details, refer to the instruc-
tion manual for the Yamaha di-
agnostic tool.
*1 At this time, the CO adjust-
ment value on the YDT screen
will not change.
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 5 and finish the service.
Condition is Detected

Return
to item 1 and check again.
If there is no change in the situ-
ation, perform the procedure in
item 4.
3 When 12 is indicated in diag-
nostic mode (code No. D60),
EEPROM data error of O2 feed-
back control learning values. Turn the main switch to “OFF”. 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 5 and finish the service.
Condition is Detected

Return
to item 1 and check again.
If there is no change in the situ-
ation, perform the procedure in
item 4.
4 ECU malfunction Replace the ECU. Finish the service.
5 EG warning light, delete the
fault code. Delete this fault code with the
status “Recovered” in the
Yamaha diagnostic tool.
Fault code No. P0560
Symptoms Charging voltage is abnormal.
Diagnostic code No.
Item
Item and components and
probable cause
Actions
Confirmation procedure after
actions
1 Charging system failure Check the charging system.
Refer to “Charging system” on
page 7-10.
Check of the regulator, ACM
and peripheral harness.

Replace faulty parts.
After starting the engine, let it
idle and leave it for about 5 sec-
onds.
After the above work is finished,
check the condition of the fault
code in diagnostic mode of the
Yamaha diagnostic tool.
Condition is Recovered

Go to
item 2 and finish the service.
Condition is Detected

Per-
form the procedure in item 1
and recheck.
2 EG warning light, delete the
fault code. Delete this fault code with the
status “Recovered” in the
Yamaha diagnostic tool.
Fault code No. P062F
Symptoms Error is detected while reading from or writing on EEPROM.
Diagnostic code No.
D60 (EEPROM error)
Item
Item and components and
probable cause
Actions
Confirmation procedure after
actions
B9X-F8197-E0.book Page 56 Thursday, July 16, 2020 2:28 PM