Yamaha R1 Series 2015 Service Manual page 640

ELECTRONICALLY ADJUSTABLE SUSPENSION SYSTEM (for
Fault code No. 44
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Indicated
Procedure
Item Probable cause of
malfunction and check
1 Confirmation after correction of
abnormality
2 Malfunction in SCU.
Fault code No. 46
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Indicated
Procedure
Item Probable cause of
malfunction and check
1 Malfunction in charging system. Check the charging system.
Fault code No. 50
Fault code No.
Item
Fail-safe system
44
Abnormal SCU EEPROM
Able to start engine
Able to drive vehicle
—
—
—
Maintenance job
Turn the main switch to "OFF"
and back to "ON".
Replace the SCU.
46
Abnormal SCU power supply voltage
Able to start engine
Able to drive vehicle
09
Displays the SCU power supply voltage.
Approximately 12.0 V
Check the displayed SCU power supply voltage.
Maintenance job
Refer to "CHARGING SYS-
TEM" on page 8-17.
Defective rectifier/regulator or
AC magneto
Defective connection in the
charging system circuit
erly connect or replace the wire
harness.
50
Abnormality inside SCU
Able to start engine
Able to drive vehicle
8-159
Confirmation of service com-
Check the warning light.
The warning light does not
come on
The warning light comes on
Go to item 2.
Turn the main switch to "OFF"
and back to "ON" and check the
warning light.
The warning light does not
come on
Confirmation of service com-
Start the engine and let it idle
for approximately 5 seconds.
Check the warning light.
The warning light does not
Replace. come on
The warning light comes on
Prop- Repeat the maintenance job.
YZF-R1M)
pletion
Service is finished.
Service is finished.
pletion
Service is finished.