2006 Honda TRX680 Rincon Factory Service Manual, Page 141Get this manual
FUEL SYSTEM (PGM-FI) 2TP Sensor Inspection Check that the TP sensor voltage is increasing continuously when moving the throttle from fully closed to fully opened using the data list menuIs the voltage increasing continuously? YESIntermittent failure Loose or poor contact on the MAPTP sensor connectorFaulty TP sensor
3TP Sensor Resistance Inspection Turn the ignition switch OFFDisconnect the MAPTP sensor 5P (Black) connectorMeasure the resistance at the TP sensor side terminalsConnection: BrownGreenred Is the resistance within 1.03.0 ki2 YES NOGO TO STEP 4- Faulty TP sensor GR MAPTP SENSOR 5P (BLACK) CONNECTOR (Sensor side of male terminal)