Yamaha MTN1000 2016 Service Manual page 525

Fault code No.
Item
3-1
1. Accelerator position sensor
2. ECU
3. Sensor input lead
4. Sensor output lead 1
5. Sensor output lead 2
6. Sensor ground lead
3-2 Disconnect the ECU coupler from the ECU.
Disconnect the accelerator position sensor coupler from the accelerator position sensor.
3-3 [For P2122] Ground short circuit
Between accelerator position sensor coupler and ground: white–ground
If there is continuity, replace the wire harness.
P2122, P2123, P2127, P2128, P2138
[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
detected.
[P2138] Accelerator position sensor: output voltage deviation error.
1
3
L
4
W
5
B
6
B/L
8-108
FUEL INJECTION SYSTEM
2
5V
L
W
5V
B
B/L