Yamaha TMAX XP530E-A 2017 Service Manual page 516

Fault code No.
Item
A-6 Check the fuse. (signaling sys-
tem fuse, brake light fuse)
A-7 Wire harness continuity.
A-8 Defective front brake light
switch.
A-9 Malfunction in ECU.
A-10 Delete the fault code and check
that the engine trouble warning
light goes off.
CRUISE CONTROL SYSTEM (for XP530D-A)
P056C
A Front brake light switch: open or short circuit is detected.
B Rear brake light switch: open or short circuit is detected.
Abnormality  Replace the
fuse. (signaling system fuse,
brake light fuse)
Open or short circuit  Replace
the wire harness.
Between battery and ignition
system relay coupler.
red–red
Between ignition system relay
coupler and fuse box.
brown/blue–brown/blue
Between fuse box and front
brake light switch.
brown–green/white
Between front brake light switch
coupler and brake light relay
coupler.
green/yellow–light green/black
Between brake light relay cou-
pler and ECU coupler.
light green/black–light
green/black
Between brake light relay cou-
pler and battery.
black–black
Replace the front brake light
switch.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-230.
Confirm that the fault code has
a condition of "Recovered"
using the Yamaha diagnostic
tool, and then delete the fault
code.
8-125
Push the ON/start switch.
Operate the front brake lever,
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered"  Go
to item A-10 and finish the ser-
vice.
Condition is "Detected"  Go to
item A-7.
Push the ON/start switch.
Operate the front brake lever,
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered"  Go
to item A-10 and finish the ser-
vice.
Condition is "Detected"  Go to
item A-8.
Push the ON/start switch.
Operate the front brake lever,
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered"  Go
to item A-10 and finish the ser-
vice.
Condition is "Detected"  Go to
item A-9.