9-130
P056C
• Short circuit check
Disconnect the ECU related connectors before checking.
Refer to “PARTS CONNECTED TO THE ECU” on page 9-3.
Ground short circuit check “A”
Lines short circuit check “B”
Is resistance 0 ?
YES
Go to “Short circuit check”.
NO
a. Replace the wire harness.
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 “Short circuit check”.
Between ignition system relay coupler “1” and
ground
brown/blue–ground
Between front brake light switch “3” and ground
green/white–ground
green/yellow–ground
Between brake light relay coupler “4” and
ground
light green/black–ground
Ignition system relay coupler “1” brown/blue–any other coupler terminal
Front brake light switch coupler “3”
green/white–any other coupler terminal
green/yellow–any other coupler terminal
Brake light relay coupler “4”
green/yellow–any other coupler terminal
light green/black–any other coupler terminal
ECU coupler “5” light green/black–any other coupler terminal
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