Yamaha 2007 FZ6-NA, Service Manual

Page: 408 / 538

FUEL INJECTION SYSTEM
8-35
Communication error with the meter
34
Ignition coil (#2, #3)
(faulty ignition)
Malfunction detected in the pri-
mary wire of the ignition coil (#2,
#3).
Able
(depending
on the num-
ber of faulty
cylinders)
Able
(depending
on the num-
ber of faulty
cylinders)
41
Lean angle sensor
(open or short circuit) Lean angle sensor-open or short
circuit detected.
Unable Unable
42
Speed sensor
Neutral switch
No normal signals are received
from the speed sensor.
Open or short circuit is detected in
the neutral switch.
Able Able
43
Fuel system voltage
(monitor voltage)
The ECU is unable to monitor the
battery voltage
(an open circuit in the line to the
ECU).
Able Able
44
Error in writing the
amount of CO adjust-
ment on EEPROM Error is detected while reading or
writing on EEPROM (CO adjust-
ment value).
Able Able
46
Vehicle system power
supply
(Monitoring voltage)
Power supply to the fuel injection
system is not normal.
Able Able
50
ECU internal malfunc-
tion
(memory check error)
Faulty ECU memory. (When this
malfunction is detected in the ECU,
the fault code number might not
appear on the meter.)
Unable Unable
— Start unable warning
Engine trouble warning light
flashes when the start switch is
turned ON.
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.12, 19, 30, 41, 43
or 50.
Unable Unable
Fault
code No.
Item Symptom
Able/
unable to
start
Able/
unable to
drive
Er-1
ECU internal malfunc-
tion
(output signal error)
No signals are received from the
ECU.
Unable Unable
Er-2
ECU internal malfunc-
tion
(output signal error)
No signals are received from the
ECU within the specified duration.
Unable Unable
Fault
code No.
Item Symptom
Able/
unable to
start
Able/
unable to
drive