Yamaha FJR13AG, Service Manual

Page: 552 / 784

FUEL INJECTION SYSTEM
8-75
Fault code No. P0117, P0118
TIP
Perform this procedure when the engine is cold.
3-7 [For P0112, P0113] Short circuit
Between air temperature sensor output terminal (brown/white) “a” of ECU coupler and any other
ECU coupler terminal “b”.
If there is continuity, replace the wire harness.
A. FJR13AG
B. FJR13ESG
4 Installed condition of air tem-
perature sensor. Check for looseness or pinch-
ing.
Improperly installed sensor
→
Reinstall or replace the sensor.
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 5.
5 Defective air temperature sen-
sor. Execute the diagnostic mode.
(Code No. 05)
When engine is cold:
Displayed temperature is close
to the ambient temperature.
The displayed temperature is
not close to the ambient tem-
perature.
→
Check the air tem-
perature sensor.
Replace if defective.
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.
6 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-250. Service is finished.
7 Delete the fault code and check
that the engine trouble warning
light goes off. Confirm that the fault code has
a condition of “Recovered” us-
ing the Yamaha diagnostic tool,
and then delete the fault code.
Fault code No. P0112, P0113
Item
[P0112] Air temperature sensor: ground short circuit detected.
[P0113] Air temperature sensor: open or power short circuit detect-
ed.
Y / R
B / R
B / L
B / L B / L B / Y Y / G L / Y Gy W / Y
B / W P / W W / G Lg / L
Lg / B
P L L
L / R R / L W / B W
B B
W O / W
Br / L Br / W G / L L / W L / B
Gy / W G / W Y / R
B / R
B / L
B / L B / L B / Y L / Y Gy W / Y
B / W P / W W / G Lg / L
Lg / B
P L L
L / R R / L W / B W
B B
W O / W
Br / L Br / W G / L L / W L / B
Gy / W G / W
b
a
A
b
B
a