9-129
P056C
3. Check the fuse. (signaling system fuse and brake light fuse)
4. Wire harness continuity.
• Disconnect the ignition system relay coupler, signaling system fuse, front brake light switch coupler,
brake light relay coupler and ECU coupler.
• Open circuit check
Is it in the “Recovered” condition?
YES
Go to step 11, and complete the service.
NO
Go to step 3.
Is check result OK?
YES
Go to step 4.
NO
a. Replace the fuse.
b. Push the ON/start switch.
c. Operate the front brake lever, and then check the condition of the DTC using the malfunction
mode of the YDT.
Is it in the “Recovered” condition?
YES
Go to step 11, and complete the service.
NO
Go to step 4.
Between ignition system relay coupler “1” and
signaling system fuse holder “2”
brown/blue–brown/blue
Between signaling system fuse holder “2” and
front brake light switch coupler “3”
brown–green/white
Between front brake light switch coupler “3” and
brake light relay coupler “4”
green/yellow–light green/black
Between brake light relay coupler “4” and ECU
coupler “5”
light green/black–light green/black
Between brake light relay coupler “4” and
ground
black–black
B/Y
L
Y/G
P
Lg/L
O/WW/G
Y/L
Lg/W
B/L
Br/W
Gy/G
G/L
R/G
Lg/L
W/G
W/Y
G/R
Lg/B
L/W
Lg
R
Br/L
R
L/Y
G/W Y/W
G/Y Y/B
Br
Lg/B
G/Y
B
12 3 4
5
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