Yamaha R15 2022 Service Manual page 390

FUEL INJECTION SYSTEM TROUBLESHOOTING
Fault code No.
Item
3-5 [For P0113] Open circuit
Between intake air temperature sensor coupler and ECU coupler: black/blue–black/blue
If there is no continuity, replace the wire harness.
3-6 Disconnect the couplers from the parts that are connected to the ECU.
3-7 [For P0113] Short circuit
Between intake 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.
4 Installed condition of throttle
body sensor assembly.
5 Defective intake air temperature
sensor.
6 Malfunction in ECU.
P0112, P0113
[P0112] Intake air temperature sensor: short to ground circuit is de-
tected.
[P0113] Intake air temperature sensor: open or short to power circuit
is detected.
Ch Y/B B/R R/W L/G R/B
Y/W
G Br R Lg/L W
B/Y L Lg/W W/B B/L B/W
Ch Y/B B/R R/W L/G R/B
G Br R Lg/L W
B/Y L Lg/W W/B B/L B/W
b
Check for looseness or pinch-
ing.
Improperly installed sensor →
Reinstall.
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 temper-
ature. → Replace the throttle
body assembly.
Replace the ECU.
8-57
V P/W Or/B W/Y B/L W/R Y
Y/R G/R Y/G Y/L B/L L B
Br/W Gy/G Y/W B/L B/L P/B Or
B
a
V P/W Or/B W/Y B/L W/R Y
Y/R G/R Y/G Y/L B/L L B
Br/W Gy/G Y/W B/L B/L P/B Or
B
Turn the main switch to "ON",
and then check the fault code
using the malfunction mode of
the YDT.
Condition is "Recover" → Go to
item 7 and finish the service.
Condition is "Malfunction" → Go
to item 5.
Turn the main switch to "ON",
and then check the fault code
using the malfunction mode of
the YDT.
Condition is "Recover" → Go to
item 7 and finish the service.
Condition is "Malfunction" → Go
to item 6.
Service is finished.
ELEC – +