2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 288Get this manual
DRIVETRAIN SYSTEM
SYMPTOM TROUBLESHOOTING
GENERAL INFORMATION
If the ATV has any AfT trouble, check the OTG or gear position indicator blinkin!lrefer the DTG indax and begin the aooroonate troubleshooting procedure (page 14 24)
If there are no OTe stored in the PCM memory, do the troubleshooting as following symptom and then inspect the oil pressure and diagnose according to the troubleshootinq chart (pags 14141
r"Sym pt omAcceleration con trot fai lure
Shift control failure
Gear position indicator indicates "-bu no DTC set
Gear position indi cator indicates "-" and il is stays ON at all (No DTC sell
Diagn osis procedure Refer to the following symptom troubJes'1Qoring {paqe 14-6): Vehicle does not accelerate Excess! ve starting shock Vehicle creeps [vehicle does not stop) when id li ng Driving power falls off when ar.celeraling jinsutficient engine brakel Engine stalls when accel erating Refer to the following sy pto troublesnootinq (pag 14-91: AfT does not shift When shi fting in the AUTO tautomatul mode excessive shift shock, engine rpm (mi 'l) rises or driving power falls otf Reforto he following symptom trouhleshooting (page 14-10): AJT does no shift Gear position indicator displays and drive mode indicator stays on Check the DlC circuit (Brownred wi re) tor short cir cuitH H