Yamaha TMAX 2020 Service Manual

9-18024_ABSEAS2071024_ABSEAS33374TROUBLESHOOTINGItemBrake light switch or tail/brake lightProcedure1. Defective signaling system (tail/brake light or brake light switch)• Check the brake light switches.Refer to “CHECKING THE SWITCHES” on page 8-91.2. Defective coupler between the signaling system (tail/brake light or brake light switch) and thehydraulic unit assembly• Check the coupler for any pins that may be pulled out.• Check the locking condition of the coupler.TIPPush the OFF/LOCK switch before disconnecting or connecting a coupler.3. Wire harness continuity (XP560E)• Disconnect the handlebar switch coupler (right), handlebar switch coupler (left) and ABS ECU cou-pler.• Open circuit checkIs check result OK?YES Go to step 2.NO Replace the brake light switches.Is check result OK?YES[XP560E]  Go to step 3.[XP560D]  Go to step 4.NO If there is a malfunction, repair it and connect the coupler securely.Between handlebar switch coupler (right) “1”and ABS ECU coupler “3” green/yellow–green/yellowBetween rear handlebar switch coupler (left) “2”and ABS ECU coupler “3” green/yellow–green/yellowBW/GG/RW/YWBBWR/WB/GB/LLg/WLg/LBr/WLgLgG/YR/LBr G/YBr G/Y312