Yamaha TMAX 2020 Service Manual

8-43COOLING SYSTEMEAS30503TROUBLESHOOTINGTIP• Before troubleshooting, remove the following part(s):1. Front cowling assembly2. Storage box3. Fuel tank4. Footboard (right)5. Rear side cowling assembly1. Check the fuses.(Main, ignition, radiator fan motorand 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 radiator fan motor.Refer to “CHECKING THE RADIA-TOR FAN MOTOR” on page 8-106.NG Replace the radiator fan motor.OK5. Check the radiator fan motor relay.Refer to “CHECKING THE RE-LAYS” on page 8-94.NG Replace the radiator fan motor relay.OK6. Check the coolant temperaturesensor.Refer to “CHECKING THE COOL-ANT TEMPERATURE SENSOR”on page 8-107.NG Replace the coolant temperature sensor.OK7. Check the entire cooling system’swiring.Refer to “CIRCUIT DIAGRAM” onpage 8-39.NG Properly connect or replace the wire har-ness.OK