Yamaha Fazer FZ8-SA, Service Manual

Page: 491 / 610

FUEL INJECTION SYSTEM
8-96
Fault code No. 44
Item
EEPROM cylinder fault code number: an error is detected while
reading or writing on EEPROM (CO adjustment value).
Fail-safe system
Under certain conditions
Under certain conditions
Diagnostic code No. d:60
Meter display
EEPROM fault code display
• 00 (no history)
• 01–04: Cylinder fault code number (history exists)
If more than one cylinder is defective, the display switches every
two seconds to show the cylinder fault code numbers of all defec-
tive cylinders in a repeating cycle.
Procedure —
Item/components and
probable cause
Check or maintenance job
Sensor inspection proce-
dure
1 Locate the malfunction. Diagnostic mode (Code No.
d60)
00 indication: Check number
6.
01 indication: Check number
2.
02 indication: Check number
3.
03 indication: Check number
4.
04 indication: Check number
5. —
2 “01” is indicated in Diagnostic
mode (Code No. d60)
EEPROM data error for
adjustment of CO concentra-
tion of cylinder #1 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 memory is not recovered
when the main switch is
turned OFF and ON again.
→
Replace the ECU.
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
6.
3 “02” is indicated in Diagnostic
mode (Code No. d60)
EEPROM data error for
adjustment of CO concentra-
tion of cylinder #2 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 memory is not recovered
when the main switch is
turned OFF and ON again.
→
Replace the ECU.
Place the main switch to the
ON position.
Then, check the fault code
indication.
No fault code indicated.
→
Recovered.
Return to Step 1 to carry out
the check again. If the condi-
tion persists, proceed to Step
6.