Yamaha MT-09 2021 Service Manual page 494

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC Item
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.)
P0606 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
• Open or short cir-
cuit in wire har-
ness.
• Defective cruise
control setting
switch.
• Malfunction in
ECU.
• Malfunction in
ECU.
• Malfunction in
ECU.
9-64
Vehicle symptom
Cruise control sys-
tem cannot be oper-
ated.
Engine cannot be
started.
Engine cannot be
started.
Engine response is
poor.
Loss of engine pow-
er.
Fail-safe system
operation
Cruise control sys-
tem cannot be oper-
ated. (for
MTN890D)
Engine cannot be
started.
Cruise control sys-
tem cannot be oper-
ated. (for
MTN890D)
Engine cannot be
started.
Ignition and injec-
tion are not carried
out.
Judgment for other
DTCs is not carried
out.
Load control is not
carried out. (The re-
lay unit, radiator fan
motor relay, and
other relays are all
turned off.)
The CO adjustment
mode and diagnos-
tic mode cannot be
activated.
Output is restricted.
Cruise control sys-
tem cannot be oper-
ated. (for
MTN890D)