Yamaha YZF-R1S Service Manual page 350

Fault
Item
Code No.
Vehicle system power
46
supply (Monitor voltage)
Sub-throttle servo motor
47 potention (open or short
circuit)
Sub-throttle servo motor
(lock)
48
ECU internal
malfunction (memory
50
check error)
Start unable warning
—
Communication error with the meter
Fault
Item
Code No.
ECU internal malfunction
Er-1
(output signal error)
ECU internal malfunction
Er-2
(output signal error)
ECU internal malfunction
Er-3
(output signal error)
ECU internal malfunction
Er-4
(input signal error)
FUEL INJECTION SYSTEM
Symptom
Power supply to the FI system is not
normal.
sub-throttle servo motor potention-
open or short circuit detected.
A lock of the sub-throttle servo motor is
detected.
Faulty ECU memory. When this
malfunction is detected, the code
number might not appear on the meter.
Relay is not turned ON even if the crank
signal is input while the start switch is
turned ON.
When the start switch is turned ON
while an error is detected with the fault
code of No.11, 12, 19, 30, 41 or 50.
Symptom
No signals are received from the ECU.
No signals are received from the ECU
within the specified duration.
Data from the ECU cannot be received
correctly.
Non-registered data has been received
from the meter.
7-6
Fail-safe action
--
S Turn the sub-throttle servo motor
toward the close side for 4 seconds
and then stop it.
S Perform the preventative control
against motor locking.
(Perform the lock release operation
twice every 100 seconds.)
--
Engine trouble warning light flashes
when the start switch is turned ON.
Fail-safe action
–
–
–
–
FI
Able / unable Able / unable
to start to drive
Able Able
Able Able
Able Able
Unable Unable
Unable Unable
Able / unable Able / unable
to start to drive
Unable Unable
Unable Unable
Unable Unable
Unable Unable