Yamaha FJR13AG Service Manual page 610

Fault code No.
Item
5 Defective atmospheric pressure
sensor.
6 Malfunction in ECU.
7 Delete the fault code and check
that the engine trouble warning
light goes off.
Fault code No. U0125 (FJR13ESG)
TIP
If fault code numbers "U0125" and "P1600" are both indicated, take the actions specified for fault code
number "U0125" first.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
P2228, P2229
[P2228] Atmospheric pressure sensor: ground short circuit detect-
ed.
[P2229] Atmospheric pressure sensor: open or power short circuit
detected.
Execute the diagnostic mode.
(Code No. 02)
When engine is stopped:
Atmospheric pressure at the
current altitude and weather
conditions is indicated.
At sea level: Approx. 101 kPa
(757.6 mmHg, 29.8 inHg)
1000 m (3300 ft) above sea lev-
el: Approx. 90 kPa (675.1
mmHg, 26.6 inHg)
2000 m (6700 ft) above sea lev-
el: Approx. 80 kPa (600.0
mmHg, 23.6 inHg)
3000 m (9800 ft) above sea lev-
el: Approx. 70 kPa (525.0
mmHg, 20.7 inHg)
Displayed value is incorrect.
→Replace the atmospheric
pressure sensor.
Replace the ECU.
Refer to "REPLACING THE
ECU (engine control unit)" on
page 8-250.
Confirm that the fault code has
a condition of "Recovered" us-
ing the Yamaha diagnostic tool,
and then delete the fault code.
U0125
Signals cannot be transmitted between the ECU and the IMU.
Unable to start engine
Able/Unable to drive vehicle
—
—
—
Maintenance job
8-133
FUEL INJECTION SYSTEM
Turn the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the Yamaha di-
agnostic tool.
Condition is "Recovered" →Go
to item 7 and finish the service.
Condition is "Detected" → Go to
item 6.
Service is finished.
Confirmation of service com-
pletion