Yamaha YZF-R1(B) 2012 Service Manual page 488

Fault code No.
Symptom
Fail-safe action
Diagnostic monitor-
ing code No.
Meter display
Checking method
Item/components and
probable cause
4 "03" is indicated in Diagnostic
mode (Code No. 60)
EEP-ROM data error for
adjustment of CO concentra-
tion of cylinder #3
5 "04" is indicated in Diagnostic
mode (Code No. 60)
EEP-ROM data error for
adjustment of CO concentra-
tion of cylinder #4
6 ECU malfunction
44
An error is detected while reading or writing on EEP-ROM
Engine startup: Under certain conditions
Riding: Under certain conditions
D:60
The in self diagnostic code 44 detected EEP-ROM errors are indi-
cated.
If there are multiple errors, they are indicated in 2 seconds intervals
00 indication: Normal status
01 indication: CO concentration adjusted for cylinder #1
02 indication: CO concentration adjusted for cylinder #2
03 indication: CO concentration adjusted for cylinder #3
04 indication: CO concentration adjusted for cylinder #4
—
Check or maintenance job
Change the CO concentra-
tion of cylinder #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.
Change the CO concentra-
tion of cylinder #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.
Replace the ECU
FUEL INJECTION SYSTEM
8-91
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. →
Check the next step.
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.