2008 Honda Aquatrax ARX1500T3/T3D factory service manual, Page 43Get this manual
TECHNICAL FEATURES
PGM-FI SYSTEM
INTAKEFUEL INJECTION SYSTEM
This watercraft incorporates throttle body that controls intake air for all four cylindersThe IACV inside the throttle body regulates the amount of air at idleA fuel injector is located on each cylinderE BODY FUEL IN,
INTAKE MANIFOLD
IACV (IDLE AIR CONTROL VALVE)
IACV is incorporated to stabilize the engine idte speed and to ease engine starting by regulating the amount of intake air flow while the throttle is completely closedIACV consists of step motor, slide valve and IACV bodySTEP MOTOR SLIDE VALVE IACV IACV BODY