Yamaha FJR 1300 AE 2014 Service Manual page 502

Fault code No.
Item
2 Defective atmospheric pres-
sure sensor.
3 Malfunction in ECU.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Probable cause of mal-
Item
function and check
1 Connection of coolant tem-
perature sensor coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
20
Intake air pressure sensor or atmospheric pressure sensor:
when the main switch is turned to "ON", the intake air pres-
sure sensor voltage and atmospheric pressure sensor voltage
differ greatly.
Execute the diagnostic
mode. (Code No. 02)
When engine is stopped:
Atmospheric pressure at the
current altitude and weather
conditions is indicated.
0 m above sea level: Approx.
101 kPa (757.6 mmHg, 29.8
inHg)
3000 m (9800 ft) above sea
level: Approx. 70 kPa (525.0
mmHg, 20.7 inHg)
Displayed value is incorrect
→ Check the atmospheric
pressure sensor.
Replace if defective.
Refer to "CHECKING THE
ATMOSPHERIC PRES-
SURE SENSOR" on page
8-212.
Replace the ECU.
Refer to "REPLACING THE
ECU (engine control unit)" on
page 8-196.
21
Coolant temperature sensor: open or short circuit detected.
Able to start engine
Able to drive vehicle
06
Displays the coolant temperature.
Compare the actually measured coolant temperature with the
meter display value.
Maintenance job
Improperly connected →
Connect the coupler secure-
ly or replace the wire har-
ness.
8-51
FUEL INJECTION SYSTEM
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.
Confirmation of service
completion
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 2.