2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 178Get 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: Pink (+) Greenyellow () Is the voltage within 4.75 5.25 V? YES NO GO TO STEP GO TO STEP 3TP SENSOR 3P GRAY CONNECTOR (viewed from the terminal side)
Pink 3ECM Output Voltage Inspection Measure the voltage between the test harness connector terminalsConnection: B13 (+) A11 () Is the voltage within 4.75 5.25 V? YES Open circuit in the Pink wire Open circuit in the Greenyellow wire Replace the ECM with known good one, and recheckA11 4TP Sensor Output Line Open Circuit Inspection Turn the ignition switch to "OFF"Check for continuity between the TP sensor 3P connector terminal and test harness connector terminalConnection: Light green A16 Is there continuity? YES NO GO TO STEP Open circuit in the Light green wireA16 Light green