2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 275Get this manual
COOLING SYSTEM
TROUBLESHOOTING
SUMMARY OF TROUBLESHOOTING FOR OVERHEATING
This watercraft controls the engine as follows, in the event it overheats If the cooling water temperature is above 85C (185F), the engine control module (ECM) will limit the engine speed to 3,000 rpm to prevent engine damageIf the engine coolant temperature (ECT) sensor detects water temperature above 95C (203F), the engine will shut off (failure code #47) If the manifold surface temperature switch detects the engine is overheating, the ECM will shut off the engine (failure code #46)If there are failure codes in the system, first diagnose the PGM-FI system (page 8-10)