Yamaha 2012 TMAX XP500A Service Manual page 437

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
2 "01" is indicated in Diagnostic
mode (Code No. d:60)
EEPROM data error for
adjustment of CO concentra-
tion of cylinder #1
3 "02" is indicated in Diagnostic
mode (Code No. d:60)
EEPROM data error for
adjustment of CO concentra-
tion of cylinder #2
4 ECU malfunction
44
Error is detected while reading or writing on EEPROM (CO adjust-
ment value).
Under certain conditions
Under certain conditions
d:60
EEPROM fault code display
• 00 (no history)
• 01 or 02: Cylinder fault code number (history exists)
If both cylinders are defective, the display alternates every two
seconds.
—
Check or maintenance job
Change the CO concentra-
tion of cylinder #1, and
rewrite in EEPROM.
Refer to "ADJUSTING THE
EXHAUST GAS VOLUME"
on page 3-11.
After this adjustment is made,
the main switch is set to OFF.
Change the CO concentra-
tion of cylinder #2, and
rewrite in EEPROM.
Refer to "ADJUSTING THE
EXHAUST GAS VOLUME"
on page 3-11.
After this adjustment is made,
the main switch is set to OFF.
Replace the ECU
FUEL INJECTION SYSTEM
8-62
Sensor inspection proce-
dure
Place the main switch to the
ON position.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Return to Step 1 to carry out
the check again. If the condi-
tion persists, proceed to Step
4.
Place the main switch to the
ON position.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Return to Step 1 to carry out
the check again. If the condi-
tion persists, proceed to Step
4.