Yamaha TMAX 2020 Service Manual

8-33SIGNALING SYSTEMEAS30501TROUBLESHOOTING• Any of the following fail to light: turn signal light, brake light or an indicator light.• The horn fails to sound.• The fuel meter fails to operate.• The speedometer fails to operate.• The buzzer fails to sound.• The V-belt replacement meter fails to operate.• The ambient temperature meter fails to operate.• The coolant temperature meter fails to operate.• The oil change meter fails to operate.TIP• Before troubleshooting, remove the following part(s):1. Front cowling assembly2. Storage box3. Fuel tank4. Footboards5. Rear side cowling assembly (right)1. Check the fuses.(Main, signaling system, ABS mo-tor, ABS solenoid, ABS ECU,brake light and backup)Refer to “CHECKING THE FUS-ES” on page 8-93.NG Replace the fuse(s).OK2. Check the battery.Refer to “CHECKING ANDCHARGING THE BATTERY” onpage 8-94.NG • Clean the battery terminals.• Recharge or replace the battery.OK3. Check the ignition system relay.Refer to “CHECKING THE RE-LAYS” on page 8-94.NG Replace the ignition system relay.OK4. Check the entire signaling sys-tem’s wiring.Refer to “CIRCUIT DIAGRAM” onpage 8-29.NG Properly connect or replace the wire har-ness.OKThis circuit is OK.