2006 Honda TRX680 Rincon Factory Service Manual, Page 121Get this manual
FUEL SYSTEM (PGM-FI)
SYMPTOM TROUBLESHOOTING
When the vehicle has one of these symptoms, check the DTC or MIL blinking, refer to the DTC index (page 6-17) and begin the appropriate troubleshooting procedureIf there are no DTCMIL blinking stored in the PCM memory, do the diagnostic procedure for the symptom, in the sequence listed below, until you find the causeSymptom Engine cranks but won't start (No DTC and MIL blinking) Diagnosis procedure 1Inspect the ignition system (page 21-5)2Inspect the fuel supply system (page 6-36)Also check for No fuel to injectorClogged fuel filterPinched or clogged fuel feed hosePinched or clogged fuel tank breather hoseFaulty fuel pumpFaulty fuel pump circuits Intake air leak Contaminateddeteriorated fuel Faulty fuel injector IACV stuck closed Open circuit in the power input andor ground wire of the PCMFaulty bank angle sensor or related circuitFaulty engine stop relay or related circuitFaulty engine stop switch or related circuit BlownFIIGNfuse(10A)BlownSTECMfuse(10A)Restricted fuel feed hoseContaminateddeteriorated fuel Intake air leak Restricted fuel tank breather hose Faulty ignition system Faulty ignition systemPinched or clogged fuel feed hoseFaulty injectorFaulty ignition system IACV stuck closed Faulty fuel supply systemFaulty ignition systemIACV stuck openedFaulty ignition system Intake air leak Engine top end problem Air cleaner condition Faulty MIL circuit Short circuit in the DLC related wire