Yamaha FZ6RC, Service Manual

Page: 373 / 420

FUEL INJECTION SYSTEM
8-58
Fault code No. 44
Symptom An error is detected while reading or writing on EEP-ROM
Fail-safe action
Engine startup: Possible
Riding: Possible
Diagnostic monitoring
code No.
60
Meter display
The in self diagnostic code 44 detected EEP-ROM errors are indicated.
If there are multiple errors, they are indicated in 2 seconds intervals
00 indication: Normal status
01 indication: CO concentration adjusted for cylinders #1 and #4
02 indication: CO concentration adjusted for cylinders #2 and #3
Checking method —
Order
Item/components and
probable cause
Check or maintenance
job
Sensor inspection
procedure
1 Locate the malfunction. Diagnostic mode (Code
No. D60)
00 indication: Normal
status
01 indication: CO con-
centration adjusted for
cylinders #1 and #4
02 indication: CO con-
centration adjusted for
cylinders #2 and #3 —
2 “01” is indicated in Diag-
nostic mode (Code No.
D60)
EEP-ROM data error for
adjustment of CO con-
centration of cylinders #1
and #4 Change the CO concen-
tration of cylinders #1
and #4, and rewrite in
EEP-ROM.
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.
⇒
Check the next step.
3 “02” is indicated in Diag-
nostic mode (Code No.
D60)
EEP-ROM data error for
adjustment of CO con-
centration of cylinders #2
and #3 Change the CO concen-
tration of cylinders #2
and #3, and rewrite in
EEP-ROM.
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.
⇒
Check the next step.