2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 180Get this manual
FUEL SYSTEM (Programmed Fuel Injection) Fit the safety lanyard clip to the base of the engine stop switchMeasure the voltage between the wire harness side connector terminalsConnection: Gray (+) Ground () Is the voltage within 4.75 5.25 V? YES NO GO TO STEP GO TO STEP 4ARX1200T3T3D: IAT SENSOR 2P BLACK CONNECTOR (viewed from the terminal side)
Gray ARX1200N3: