2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 222Get this manual
FUEL SYSTEM (Programmed Fuel Injection) DTC 42-1 (TCP SENSOR LOW VOLTAGE) (ARX1200T3T3D only) 1TCP Sensor System Inspection Fit the safety lanyard clip to the base of the engine stop switchCheck the TCP sensor with the HDSIs about indicated? YES NO GO TO STEP Intermittent failure
2TCP Sensor Input Voltage Inspection Pull the safety lanyard clip off of the engine stop switchDisconnect the TCP sensor 3P gray connector
TCP SENSOR 3P CONNECTOR Fit the safety lanyard clip to the base of the engine stop switchMeasure the voltage between the wire harness side connector terminalsConnection: Pink (+) Ground () Is the voltage within 4.75 5.25 V? YES NO GO TO STEP GO TO STEP 3Pink