Yamaha R15 2022 Service Manual page 385

FUEL INJECTION SYSTEM TROUBLESHOOTING
Fault code No.
Item
3-1
1. Throttle body sensor assembly
2. Intake air pressure sensor
3. ECU
4. Sensor power supply lead
5. Sensor output lead
6. Sensor ground lead
3-2 Disconnect the ECU coupler from the ECU.
Disconnect the throttle body sensor assembly coupler from the throttle body assembly.
3-3 [For P0107] Ground short circuit
Between intake air pressure sensor coupler and ground: pink/white–ground
If there is continuity, replace the wire harness.
3-4 [For P0107] Open circuit
Between intake air pressure sensor coupler and ECU coupler: blue–blue
If there is no continuity, replace the wire harness.
P0107, P0108
[P0107] Intake air pressure sensor: open or short to ground circuit is
detected.
[P0108] Intake air pressure sensor: short to power circuit is detected.
1
L
Y/W
2
P/W
Br/W
B L /
Y/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
8-52
3
4
L
Y/W
5
P/W
Br/W
B L /
6
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 – +