2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 175Get this manual
FUEL SYSTEM (Programmed Fuel Injection) MIL BLINKS (ECT SENSOR) Before starting the troubleshooting, check the ECT sensor connector for loose contacts or corroded terminals, and recheck if the MIL is blinking1ECT Sensor Output Voltage Inspection Pull the safety lanyard clip off of the engine stop switchConnect the ECM test harness to the ECM connectors (page 8-12)Fit the safety lanyard clip to the base of the engine stop switchMeasure the voltage between the test harness connector terminalsConnection: A2 (+) A11 () Standard: 2.7 3.1 (20!C68!F) Is the voltage within 2.7 3.1 V? YES Intermittent failure Loose or poorly connected ECM connectors GO TO STEP 2A2 A11