Yamaha XSR 900 2022 Service Manual page 469

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC Item
P0563 Battery charging
voltage is abnormal.
Charging voltage is
not within range
(overcharged condi-
tion). Vehicle sys-
tem power voltage
is abnormal. (Regu-
lator is not operated
properly or battery is
not charged proper-
ly.)
P0564 Cruise control set-
ting switch "RES+":
open or short circuit
is detected. Normal
signal is not sent to
ECU.
Cruise control set-
ting switch "SET–":
open or short circuit
is detected. Normal
signal is not sent to
ECU.
P056C Front brake light
switch: open or
short circuit is de-
tected. Normal sig-
nal is not sent to
ECU.
Rear brake light
switch: open or
short circuit is de-
tected. Normal sig-
nal is not sent to
ECU.
P0601 ROM error. Internal
malfunction in ECU.
(When this malfunc-
tion is detected in
the ECU, the DTC
might not appear on
the tool display.)
Probable cause of
malfunction
• Battery overcharg-
ing (defective rec-
tifier/regulator).
• Battery overcharg-
ing (disconnected
lead in rectifier/
regulator wire har-
ness).
• Open or short cir-
cuit in wire har-
ness between
cruise control set-
ting switch and
ECU.
• Defective cruise
control setting
switch.
• Malfunction in
ECU.
• Open or short cir-
cuit in wire har-
ness between
front brake light
switch and ECU.
• Open or short cir-
cuit in wire har-
ness between rear
brake light switch
and ECU.
• Defective front
brake light switch
or rear brake light
switch.
• Malfunction in
ECU.
• Malfunction in
ECU (ROM error).
9-63
Vehicle symptom
Engine is difficult to
start.
Increased exhaust
emissions.
Battery perfor-
mance has deterio-
rated or battery is
defective.
Cruise control can-
not be used.
Cruise control can-
not be used.
Engine cannot be
started.
Fail-safe system
operation
feedback is not
O
2
carried out.
Cruise control fixed
to OFF.
Cruise control fixed
to OFF.
Engine cannot be
started.
Cruise control fixed
to OFF.