Yamaha R15 2022 Service Manual page 389

FUEL INJECTION SYSTEM TROUBLESHOOTING
Fault code No.
Item
3-1
1. Throttle body sensor assembly
2. Intake air temperature sensor
3. ECU
4. Sensor output lead
5. Sensor ground lead
3-2 Disconnect the ECU coupler from the ECU.
Disconnect the throttle body sensor assembly sensor coupler from the throttle body.
3-3 [For P0112] Ground short circuit
Between intake air temperature sensor coupler and ground: brown/white–ground
If there is continuity, replace the wire harness.
3-4 [For P0113] Open circuit
Between intake air temperature sensor coupler and ECU coupler: brown/white–brown/white
If there is no continuity, replace the wire harness.
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.
B/L Y/W L P/W Br/W
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
8-56
1
L
Y/W
P W /
2
Br/W
B L /
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
ELEC – +
3
L
Y/W
P W /
4
Br/W
B L /
5