Yamaha FJR13AG Service Manual page 533

7. Check the entire cooling system
wiring.
Refer to "CIRCUIT DIAGRAM
(FJR13AG)" on page 8-51 or refer
to "CIRCUIT DIAGRAM
(FJR13ESG)" on page 8-53.
OK ↓
Replace the ECU. Refer to "REPLAC-
ING THE ECU (engine control unit)"
on page 8-250.
NG →
Properly connect or replace the wire har-
ness.
8-56
COOLING SYSTEM