Yamaha R15 2022 Service Manual page 416

FUEL INJECTION SYSTEM TROUBLESHOOTING
Fault code No.
Item
3 Wire harness continuity.
3-1
1. Lean angle sensor
2. ECU
3. Sensor power supply lead
4. Sensor output lead
5. Sensor ground lead
3-2 Disconnect the ECU coupler from the ECU.
Disconnect the lean angle sensor coupler from the lean angle sensor.
3-3 [For P1604] Ground short circuit
Between lean angle sensor coupler and ground: yellow/green–ground
If there is continuity, replace the wire harness.
P1604, P1605
[P1604] Lean angle sensor: short to ground circuit is detected.
[P1605] Lean angle sensor: open or short to power circuit is detected.
Open or short circuit → Replace
the wire harness.
1
3
L
4
Y G /
5
B L /
Y/G B/L
L
8-83
Turn the main switch to "ON",
then to "OFF", and then back to
"ON".
Check the fault code using the
malfunction mode of the YDT.
Condition is "Recover" → Go to
item 6 and finish the service.
Condition is "Malfunction" → Go
to item 4.
2
L
Y G /
B L /
ELEC – +