Yamaha 2008 Fazer FZ1-N Service Manual page 421

Fault code No. 13
Diagnostic code No.
Item/components and probable
Order
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.
Item/components and probable
Order
Intake air pressure sensor hose
1
Connections
• Intake air pressure sensor coupler
• Main wire harness ECU coupler
2
Defective intake air pressure sensor
3
Intake air pressure sensor: open or short circuit
Symptom
03 Intake air pressure sensor
cause
Intake air pressure sensor: faulty intake air pressure
Symptom
sensor system.
03 Intake air pressure sensor
cause
FUEL INJECTION SYSTEM
detected.
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
SENSOR" on page 8-156.
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
SENSOR" on page 8-156.
8-52
Reinstatement
method
Turn the main
switch to ON.
Reinstatement
method
Starting the
engine and
operate it at
idle.