Yamaha TMAX 2020 Service Manual page 522

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC Item
P0563 Vehicle system
power voltage out of
range
P0564 Cruise control set-
ting switch "RES+":
open or short circuit
is detected.
Cruise control set-
ting switch "SET-":
open or short circuit
is detected.
P056C Front brake light
switch: open or
short circuit is de-
tected.
Rear brake light
switch: open or
short circuit is de-
tected.
P0601 Internal malfunction
in ECU. (When this
malfunction is de-
tected 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 (broken or dis-
connected lead in
rectifier/regulator
wire harness).
• Open or short cir-
cuit in wire har-
ness.
• Defective cruise
control setting
switch.
• Malfunction in
ECU.
• Open or short cir-
cuit in wire har-
ness.
• Defective cruise
control setting
switch.
• Malfunction in
ECU.
• Malfunction in
ECU.
9-48
Vehicle symptom
Engine is difficult to
start.
Increased exhaust
emissions.
Battery perfor-
mance has deterio-
rated or battery is
defective.
Cruise control sys-
tem cannot be oper-
ated.
Cruise control sys-
tem cannot be oper-
ated.
Engine cannot be
started.
Fail-safe system
operation
feedback is not
O
2
carried out.
Cruise control sys-
tem cannot be oper-
ated.
Cruise control sys-
tem cannot be oper-
ated.
Engine cannot be
started.
Cruise control sys-
tem cannot be oper-
ated.