Yamaha 2007 FZ6-NA Service Manual page 408

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