2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 217Get this manual
AUTOMATIC TRANSMISSION NOHydrau lic circuit malfu nct io is th likel causeCheck he il pressur (page 12-9)
SHIFT CONTROL FAILURE
Automatic tr an smi ssion does not hift 1Vehicle dr ivin test
Test -drive the ve hicle ith he mode sel ect switch at ESPCheck hat it shi fts to each ran geDoes th vehicle shift? YESFaulty th rottle position sensor or vehicle
speed sensor systemCheck the insta llation condition of them (page 24-42
and 1729)NOGO TO STEP 2
2Shift solenoid valv operation check
Disconnect the shift solenoid alve 2P connec-
torsCo nnect the 1lV ba ttery to each so lenoid
ter minalsIt sho uld operate (sou nds) hen the batt ery is 2P CONNEC TORS(
connectedDoes he so lenoid va ves operate? NOFau lty shift so lenoid valve andor B