Yamaha MTN1000 2016 Service Manual page 522

Fault code No.
Item
3-5 [For P1605] Open circuit
Between lean angle sensor coupler and ECU coupler: yellow/green–yellow/green
If there is no continuity, replace the wire harness.
3-6 [For P1605] Open circuit
Between lean angle sensor 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 8-37.
3-8 [For P1604/P1605] Short circuit
Between lean angle sensor output terminal (yellow/green) "a" of ECU coupler and any other ECU
coupler terminal "b".
If there is continuity, replace the wire harness.
P1604, P1605
[P1604] Lean angle sensor: ground short circuit detected.
[P1605] Lean angle sensor: open or power short circuit.
b
8-105
FUEL INJECTION SYSTEM
a