Yamaha R15 2022 Service Manual page 376

Fault code
Item
No.
P1604 [P1604] Lean angle
P1605 sensor (short to
ground circuit is de-
tected)
[P1605] Lean angle
sensor (short to power
circuit is detected)
SELF-DIAGNOSTIC FUNCTION AND
DIAGNOSTIC CODE TABLE
Symptom
[P1604] Low voltage
of the lean angle sen-
sor circuit (0.2 V or
less)
[P1605] High voltage
of the lean angle sen-
sor circuit (4.8 V or
more)
• Defective coupler
between lean angle
sensor and ECU.
• Open or short cir-
cuit in wire harness
between lean angle
sensor and ECU.
• Defective lean an-
gle sensor.
• Malfunction in ECU.
Possible cause
Engine cannot be
started.
Engine stops.
8-43
ELEC – +
Remarks
When engine is run-
ning: Engine is force-
fully stopped.
When engine is
stopped: Engine can-
not be started.