Yamaha FZ1-N 2007 Service Manual page 395

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Fault
code No.
Injector
39
(open circuit)
Lean angle sensor
41
(open or short-circuit)
Speed sensor
42
Neutral switch
Fuel system voltage
43
(monitoring voltage)
Error in writing the
44 amount of CO adjust-
ment on EEPROM
Vehicle system power
46 supply
(monitoring voltage)
Sub-throttle servo
motor potention (open
47
or short circuit)
Sub-throttle servo
48
motor (lock)
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)
email: info@motomatrix.co.uk
Item
Injector:
open circuit detected.
Lean angle sensor:
open or short circuit detected.
No normal signals are received from the
speed sensor.
Neutral switch:
open or short circuit detected.
Power supply to the injectors and the fuel
pump is not normal.
An error is detected while reading or writ-
ing on EEPROM (CO adjustment value).
Power supply to the fuel injection system
is not normal.
sub-throttle servo motor potention: open
or short circuit detected.
A lock of the sub-throttle servo motor is
detected.
ECU memory is faulty. (When this mal-
function is detected in the ECU, the fault
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.
Item
No signals are received from the ECU.
FUEL INJECTION SYSTEM
Symptom
Symptom
8-40
Able/ Able/
unable unable
to start to drive
Able Able
(depend- (depend-
ing on ing on
the num- the num-
ber of ber of
faulty faulty
cylin- cylin-
ders) ders)
Unable Unable
Able Able
Able Able
Able Able
Able Able
Able Able
Able Able
Unable Unable
Unable Unable
Able/ Able/
unable unable
to start to drive
Unable Unable