2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 189Get this manual
FUEL SYSTEM (Programmed Fuel Injection) MIL 42 BLINKS (TCP SENSOR) (ARX1200T3T3D only) Before starting the troubleshooting, check the TCP sensor connector for loose contacts or corroded terminals, and recheck if the MIL is blinking1TCP 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: A4 (+) A11 () Standard: 2.1 2.5 (1,013 hPa760 mmHg) Is the voltage within 2.1 2.5 V? YES Intermittent failure Loose or poorly connected ECM connectors About GO TO STEP About GO TO STEP 3A4 A11