Open Or Short Circuit Of Atmospheric Pressure Sensor Lead - Yamaha 2009 YZF-R1 (Y) Service Manual

Fault code No.
Symptom
Fail-safe action
Diagnostic monitor-
ing code No.
Meter display
Checking method
Item/components and
probable cause
1 Connection of atmospheric
pressure sensor coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking).
2 Connection of main harness
ECU coupler
Check the connection of the
coupler is secure.
Remove the coupler and
check each pin (for bending,
wear, or locking).
3 Continuity of wire harness
23

Open or short circuit of atmospheric pressure sensor lead

Engine startup: Possible
Riding: Possible
D:02
Displays the atmospheric pressure.
Compare the actually measured atmospheric pressure with the
meter display value.
Check or maintenance job
Poor connection → Connect
it securely, or replace the
wire harness.
Poor connection → Connect
it securely, or replace the
wire harness.
Open or short circuit →
Replace the wire harness.
Black/Blue–Black/Blue
Pink–Pink
Blue–Blue
FUEL INJECTION SYSTEM
8-61
Sensor inspection proce-
dure
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.