Yamaha FZ1-N Service Manual page 363

Fault
code No.
Coolant temperature
21 sensor
(open or short circuit)
Intake air temperature
22 sensor
(open or short circuit)
Atmospheric pressure
23 sensor
(open or short circuit)
O sensor
2
24
Lean angle sensor
30
(latch up detected)
Cylinder-#1 ignition
coil
(open circuit)
33
Cylinder-#2 ignition
coil
(open circuit)
34
Cylinder-#3 ignition
coil
(open circuit)
35
Cylinder-#4 ignition
coil
(open circuit)
36
Item
Coolant temperature sensor:
open or short circuit detected.
Intake air temperature sensor:
open or short circuit detected.
Atmospheric pressure sensor:
open or short circuit detected.
No normal signal is received from the O
sensor.
No normal signal is received from the lean
angle sensor.
Primary lead of the cylinder-#1 ignition
coil:
open circuit detected.
Primary lead of the cylinder-#2 ignition
coil:
open circuit detected.
Primary lead of the cylinder-#3 ignition
coil:
open circuit detected.
Primary lead of the cylinder-#4 ignition
coil:
open circuit detected.
FUEL INJECTION SYSTEM
Symptom
8-39
Able/ Able/
unable unable
to start to drive
Able Able
Able Able
Able Able
2
Able Able
Unable Unable
Able Able
(depend- (depend-
ing on ing on
the num- the num-
ber of ber of
faulty faulty
cylin- cylin-
ders) ders)
Able Able
(depend- (depend-
ing on ing on
the num- the num-
ber of ber of
faulty faulty
cylin- cylin-
ders) ders)
Able Able
(depend- (depend-
ing on ing on
the num- the num-
ber of ber of
faulty faulty
cylin- cylin-
ders) ders)
Able Able
(depend- (depend-
ing on ing on
the num- the num-
ber of ber of
faulty faulty
cylin- cylin-
ders) ders)