2001-2003 Honda TRX500FA Factory Service Manual, Page 201Get this manual
CRANKSHAFT AUTOMATIC TRANSMISSION UNIT
TROUBLESHOOTING
NOTE: Before starting this diagnostic troubleshooting, make sure that he gear position indicator is not blinking (Electrical system of the Hondamatic is normal) and all the engine aint enance items have been performed and are within speci fications
Faulty dri ve perfo rm ance of the ve hicle
If poor performance occurs only at vehicle maximum speed with ESP selected, angle sensor ma lfunction is he likely causePerform ang le sensor inspection (page 23-29), Check the engine oil pressure (page 4-3)Abnormal Faulty lubrication system (page 4-2)