Yamaha MBK X-MAX 300 2017, Service Manual

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FUEL INJECTION SYSTEM
8-49
3-4 [For P0122] Open circuit
Between throttle body sensor assembly coupler and ECU coupler: blue–blue
If there is no continuity, replace the wire harness.
3-5 [For P0122] Open circuit
Between throttle body sensor assembly coupler and ECU coupler: yellow–yellow
If there is no continuity, replace the wire harness.
3-6 [For P0123] Open circuit
Between throttle body sensor assembly coupler and ECU coupler: black/blue–black/blue
If there is no continuity, replace the wire harness.
3-7 Disconnect the couplers from the parts that are connected to the ECU.
Refer to “Parts connected to the ECU” on page 8-35.
Fault code No. P0122, P0123
Item
No normal signals are received from the throttle position sensor.
[P0122] Throttle position sensor: open or ground short circuit de-
tected.
[P0123] Throttle position sensor: open or power short circuit detect-
ed.
B / L Y L P / W Br / W
B / L Y / B B / W G / Y P O / B R / W W Br / R B / L L L
W / Y Sb Gy B / L Y Y / G L / R G / R L / Y
W / R B W / B O L / B Br / W Gy / R R / B B / L P / W Y / L B / W
B / L Y L P / W Br / W
B / L Y / B B / W G / Y P O / B R / W W Br / R B / L L L
W / Y Sb Gy B / L Y Y / G L / R G / R L / Y
W / R B W / B O L / B Br / W Gy / R R / B B / L P / W Y / L B / W
B / L Y L P / W Br / W
B / L Y / B B / W G / Y P O / B R / W W Br / R B / L L L
W / Y Sb Gy B / L Y Y / G L / R G / R L / Y
W / R B W / B O L / B Br / W Gy / R R / B B / L P / W Y / L B / W