2006 Honda TRX680 Rincon Factory Service Manual, Page 324Get this manual
DRIVETRAIN SYSTEM 4EOT Sensor Short Circuit Inspection Disconnect the PCM 33P (Gray) connector from the PCM (page 6-54)Check for continuity between the EOT sensor 2P (Black) connector terminal of the wire harness side and groundConnection: YellowGround Is there continuity? YESShort circuit in Yellow wireNOReplace the PCM with new one, and recheckEOT SENSOR 2P (BLACK) CONNECTOR (Wire side of female terminal)
DTC 44-2 (EOT SENSOR HIGH VOLTAGE)
Before starting the inspection, check for loose or poor contact on the EOT sensor 2P (Black) connector and recheck the HDS1EOT Sensor System Inspection Turn the ignition switch ON and engine stop switch "O"Check the EOT sensor with the HDS pocket testerIs about indicated? NOIntermittent failure Loose or poor contact on the EOT sensor 2P (Black) connector- GO TO STEP 2