2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 485Get this manual
AUTOMATIC TRANSMISSION SYSTEM 7Failure Repr odu cti on Tu rn the ignitio sw itch to "OFF"Rem ove the inspection ada ptor and connect th rear VS connectorT urn th 2W D4W select switch "4WD"Test-drive the vehicle above 4m ph for ore than seconds and check hat the gear position indicator blinks