Yamaha YZFR1W 2007 Service Manual page 379

Fault code No. 46
Diagnostic code No.
Orde Item/components and probable
r cause
1 Malfunction in rectifier/regulator
2 Open or short circuit in wire harness.
Fault code No. 50
Diagnostic code No.
Orde Item/components and probable
r cause
1 Malfunction in ECU.
Symptom Power supply is not normal.
— —
Check or maintenance job
• Replace if defective.
• Repair or replace if there is an
Faulty ECU memory. (When this malfunction is detected
Symptom in the ECU, the fault code number might not appear on
the meter.)
— —
Check or maintenance job
Replace the ECU.
NOTE:
Be sure to turn the main switch to
"OFF" before replacing the ECU.
8-60
FUEL INJECTION SYSTEM
Refer to "CHARGING SYS-
TEM" on page 8-11.
open or short circuit in the
charging system's wiring.
Refer to "CHARGING SYS-
TEM" on page 8-11.
Reinstatement
method
Starting the
engine and
operating it at
idle.
Reinstatement
method
Turning the
main switch to
"ON".