Yamaha FZ1-N Service Manual page 383

Fault code No.
Diagnostic code No.
Item/components and probable
Order
Installed state of O
1
Connections
• O sensor coupler
2
• Main wire harness ECU coupler
2
Open or short circuit in wire harness.
3
Check fuel pressure.
4
Defective O
5
2
Fault code No.
Diagnostic code No.
Item/components and probable
Order
1 The vehicle has overturned.
Installed state of the lean angle sen-
2
sor
Connections
• Lean angle sensor coupler
• Main wire harness ECU coupler
3
Defective lean angle sensor
4
24 Symptom
—
cause
sensor.
2
sensor.
30 Symptom No normal signal is received from the lean angle sensor.
08
cause
FUEL INJECTION SYSTEM
No normal signal is received from the O
Check or maintenance job
Check for looseness or pinching. Start and warm
• Check the couplers for any pins
that may be pulled out.
• Check the locking condition of
the couplers
• If there is a malfunction, repair it
and connect the coupler
securely.
• Repair or replace if there is an
open or short circuit.
• Between O
2
ECU coupler.
(Gray/Green–Gray/Green)
(Black/Blue–Black/Blue)
(Pink/Black–Pink/Black)
(Red/White–Red/White)
• Refer to "THROTTLE BODIES"
on page 7-4.
• Replace if defective.
Lean angle sensor
Check or maintenance job
Raise the vehicle upright.
Check the installed direction and
condition of the sensor.
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler
securely.
• Execute the diagnostic mode.
(Code No.08)
• Replace if defective.
Refer to "CHECKING THE
LEAN ANGLE SENSOR" on
page 8-105.
8-59
—
sensor coupler and
sensor.
2
Reinstatement
method
up the engine
until the cool-
ant tempera-
ture rises over
60 °C.
when accelerat-
ing the throttle,
the waring light
is turned off, or
it is reset by the
diagnostic
mode (Code
No.63).
Reinstatement
method
Turning the
main switch to
"ON" (however,
the engine can-
not be restarted
unless the main
switch is first
turned to
"OFF").