2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 191Get this manual
FUEL SYSTEM (Programmed Fuel Injection) MIL 43 BLINKS (TCP SENSOR) (ARX1200T3T3D only) Before starting the troubleshooting, check the TCP sensor connector for loose contacts or corroded terminals, and recheck if the MIL is blinking1TCP Sensor Hose Inspection Pull the safety lanyard clip off of the engine stop switchCheck the TCP sensor vacuum hoseIs the TCP sensor vacuum hose connected securely? YES NO GO TO STEP Connect the TCP sensor vacuum hose securely
VACUUM HOSE