Yamaha FZ1-N Service Manual page 376

Fault code No. 13
Diagnostic code No.
Orde Item/components and probable
r
Connections
• Intake air pressure sensor coupler
• Main wire harness ECU coupler
1 • Sub-wire harness coupler
Open or short circuit in wire harness
and/or sub wire harness.
2
Defective intake air pressure sensor
3
Fault code No. 14
Diagnostic code No.
Orde Item/components and probable
r
Intake air pressure sensor hose
1
Connections
• Intake air pressure sensor coupler
• Main wire harness ECU coupler
2
Defective intake air pressure sensor
3
Symptom Intake air pressure sensor:open or short circuit detected.
03
cause
Intake air pressure sensor: faulty intake air pressure sen-
Symptom
03
cause
FUEL INJECTION SYSTEM
Intake air pressure sensor
Check or maintenance job
• Check the couplers for any pins
that may have 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 pressure
sensor coupler and ECU cou-
pler
(Black/Blue–Black/Blue)
(Pink/White–Pink/White)
(Blue–Blue)
• Execute the diagnostic mode.
(Code No.03)
• Replace if defective.
Refer to "CHECKING THE
INTAKE AIR PRESSURE SEN-
SOR" on page 8-112.
sor system.
Intake air pressure sensor
Check or maintenance job
• Check the intake air pressure
sensor hose condition.
• Repair or replace the sensor
hose.
• 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.
• Execute the diagnostic mode.
(Code No.03)
• Replace if defective.
Refer to "CHECKING THE
INTAKE AIR PRESSURE SEN-
SOR" on page 8-112.
8-52
Reinstatement
method
Turn the main
switch to ON.
Reinstatement
method
Starting the
engine and
operate it at
idle.