Yamaha FZ1-N 2007 Service Manual page 411

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Fault code No.
Diagnostic code No.
Item/components and probable
Order
Defective intake air pressure sensor or
atmospheric pressure sensor.
1
Fault code No.
Diagnostic code No.
Item/components and probable
Order
Connections
• Coolant temperature sensor coupler
• Main wire harness ECU coupler
1 • Sub-wire harness coupler
Open or short circuit in wire harness.
2
Defective coolant temperature sensor. • Execute the diagnostic mode.
3
email: info@motomatrix.co.uk
When the main switch is turned to "ON", the atmo-
20 Symptom spheric pressure sensor voltage and intake air pressure
sensor voltage differ greatly.
02 Atmospheric pressure sensor
03 Intake air pressure sensor
cause
Coolant temperature sensor: open or short circuit
21 Symptom
detected.
06 Coolant temperature sensor
cause
FUEL INJECTION SYSTEM
Check or maintenance job
• Execute the diagnostic mode.
(Code Nos. 02, 03)
• Replace if defective.
Refer to "CHECKING THE
INTAKE AIR PRESSURE
SENSOR" on page 8-148 or
"CHECKING THE ATMO-
SPHERIC PRESSURE SEN-
SOR" on page 8-147.
Check or maintenance job
• Check the coupler 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 coolant temperature
sensor coupler and ECU cou-
pler.
(Green/White–Green/White)
(Black/Blue–Black/Blue)
(Code No.06)
• Replace if defective.
Refer to "CHECKING THE
COOLANT TEMPERATURE
SENSOR" on page 8-144.
8-56
Reinstatement
method
Turning the
main switch to
"ON".
Reinstatement
method
Turning the
main switch to
"ON".