Yamaha MTN850-A 2017 Service Manual page 434

Fault code No.
Item
2 "01" is indicated in diagnostic
mode. (Code No. 60)
EEPROM data error for adjust-
ment of CO concentration of cyl-
inder #1.
3 "02" is indicated in diagnostic
mode. (Code No. 60)
EEPROM data error for adjust-
ment of CO concentration of cyl-
inder #2.
4 "03" is indicated in diagnostic
mode. (Code No. 60)
EEPROM data error for adjust-
ment of CO concentration of cyl-
inder #3.
5 "11" is indicated in diagnostic
mode. (Code No. 60)
EEPROM data error for ISC
(idle speed control) learning val-
ues.
"12" is indicated in the diagnos-
tic mode. (Code No. 60)
EEPROM data error for O
back learning values.
"13" is indicated in the diagnos-
tic mode. (Code No. 60)
EEPROM data error for OBD
memory values.
6 Malfunction in ECU.
7 Delete the fault code and check
that the engine trouble warning
light goes off.
P062F
EEPROM fault code number: an error is detected while reading or
writing on EEPROM.
Change the CO concentration of
cylinder #1, and rewrite in
EEPROM.
Refer to "ADJUSTING THE
EXHAUST GAS VOLUME" on
page 3-11.
After this adjustment is made,
turn the main switch to "OFF".
Change the CO concentration of
cylinder #2, and rewrite in
EEPROM.
Refer to "ADJUSTING THE
EXHAUST GAS VOLUME" on
page 3-11.
After this adjustment is made,
turn the main switch to "OFF".
Change the CO concentration of
cylinder #3, and rewrite in
EEPROM.
Refer to "ADJUSTING THE
EXHAUST GAS VOLUME" on
page 3-11.
After this adjustment is made,
turn the main switch to "OFF".
Turn the main switch to "OFF".
feed-
2
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-157.
Confirm that the fault code has
a condition of "Recovered"
using the Yamaha diagnostic
tool, and then delete the fault
code.
8-77
FUEL INJECTION SYSTEM
Set the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected" 
Repeat item 1.
If the same number is indicated,
go to item 6.
Set the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected" 
Repeat item 1.
If the same number is indicated,
go to item 6.
Set the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected" 
Repeat item 1.
If the same number is indicated,
go to item 6.
Set the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected" 
Repeat item 1.
If the same number is indicated,
go to item 6.
Service is finished.