9-132
P056C
7. Check the fuse. (signaling system fuse and brake light fuse)
8. Wire harness continuity.
• Disconnect the ignition system relay coupler, signaling system fuse, rear brake light switch coupler,
brake light relay coupler and ECU coupler.
• Open circuit check
Is the coupler condition normal?
YES
Go to step 7.
NO
a. Connect the coupler securely or replace the wire harness.
b. Push the ON/start switch.
c. Operate the rear 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 7.
Is check result OK?
YES
Go to step 8.
NO
a. Replace the fuse.
b. Push the ON/start switch.
c. Operate the rear 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 8.
Between ignition system relay coupler “1” and
signaling system fuse holder “2”
brown/blue–brown/blue
Between signaling system fuse holder “2” and
rear brake light switch coupler “3”
brown–green/yellow
Between rear brake light switch coupler “3” and
brake light relay coupler “4”
light green/black–light green/black
Between brake light relay coupler “4” and ECU
coupler “5”
light green/black–light green/black
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