2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 206Get this manual
FUEL SYSTEM (Programmed Fuel Injection) 4MAP Sensor Output Line Open Circuit Inspection Pull the safety lanyard clip off of the engine stop switchDisconnect the ECM 26P black connectorCheck the Light greenblack for continuity between the MAP sensor 3P connector terminal and ECM connector terminalIs there continuity? YES NO Replace the ECM with known good one, and recheck Open circuit in the Light greenblack wireECM 26P BLACK CONNECTOR (viewed from the terminal side) ARX1200N3: ARX1200T3T3D: MAP SENSOR 3P BLACK CONNECTOR