Yamaha YZF-R1 2007 Service Manual page 374

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Fault code No. 12
Diagnostic code No.
Orde Item/components and probable
r cause
1 Installed condition of crankshaft posi-
tion sensor
2 Connections
• Crankshaft position sensor coupler
• Main wire harness ECU coupler
3 Open or short circuit in wire harness.
4 Defective crankshaft position sensor.
Fault code No. 13
Diagnostic code No.
Orde Item/components and probable
r cause
1 Connections
• Intake air pressure sensor coupler
• Main wire harness ECU coupler
2 Open or short circuit in wire harness
and/or sub-wire-harness 2.
3 Defective intake air pressure sensor.
email: info@motomatrix.co.uk
No normal signals are received from the crankshaft posi-
Symptom
tion sensor.
— —
Symptom Intake air pressure sensor: open or short circuit detected.
03 Intake air pressure sensor
8-47
FUEL INJECTION SYSTEM
Check or maintenance job
Check for looseness or pinching. Cranking the
• Check the coupler for any pins
that may have pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler
securely.
• Repair or replace if there is an
open or short circuit.
• Between the crankshaft position
sensor coupler and ECU cou-
pler.
(Gray–Gray)
(Black/Blue–Black/Blue)
• Replace if defective.
Refer to "CHECKING THE
CRANKSHAFT POSITION
SENSOR" on page 8-96.
Check or maintenance job
• 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.
• 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 8-103.
Reinstatement
method
engine.
Reinstatement
method
Reinstated
automatically if
a normal signal
is received.