Yamaha FZ1-N Service Manual page 381

Fault code No.
Diagnostic code No.
Item/components and probable
Order
Connections
• Intake air temperature sensor cou-
pler
1 • Main wire harness ECU coupler
• Sub-wire harness coupler
Open or short circuit in wire harness.
2
Defective intake air temperature sen-
sor.
3
22 Symptom
05
cause
FUEL INJECTION SYSTEM
Intake air temperature sensor:open or short circuit
Intake air temperature sensor
Check or maintenance job
• 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 intake air temperature
sensor coupler and ECU cou-
pler.
(Brown/White–Brown/White)
(Black/Blue–Black/Blue)
• Execute the diagnostic mode.
(Code No.05)
• Replace if defective.
Refer to "CHECKING THE
INTAKE AIR TEMPERATURE
SENSOR" on page 8-112.
8-57
detected.
Reinstatement
method
Turning the
main switch to
"ON".