Yamaha R15 2022 Service Manual page 359

7. Check the entire cooling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-24.
OK ↓
Replace the ECU or meter assembly.
Refer to "REPLACING THE ECU
(engine control unit)" on page 8-142.
COOLING SYSTEM
NG →
Properly connect or replace the cooling
system wiring.
8-26
ELEC – +