Yamaha FJR13AG, Service Manual

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FUEL INJECTION SYSTEM
8-123
3-7 [For P2128] Open circuit
[For P2138] Deviation error
Between accelerator position sensor coupler and ECU coupler: black–black
If there is no continuity, replace the wire harness.
A. FJR13AG
B. FJR13ESG
3-8 [For P2122, P2128] Open circuit
Between accelerator position sensor coupler and ECU coupler: black/blue–black/blue
If there is no continuity, replace the wire harness.
A. FJR13AG
B. FJR13ESG
3-9 Disconnect the couplers from the parts that are connected to the ECU.
Refer to “Parts connected to the ECU” on page 8-63.
Fault code No. P2122, P2123, P2127, P2128, P2138
Item
[P2122] Accelerator position sensor: open or ground short circuit
detected.
[P2123] Accelerator position sensor: power short circuit detected.
[P2127] Accelerator position sensor: ground short circuit detected.
[P2128] Accelerator position sensor: open or power short circuit de-
tected.
[P2138] Deviation error
B / L W L B B / L W L B
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
A B
B / L W
L
B B / L W
L
B
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
A B