2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 256Get this manual
CRANKSHAFTAUTOMATIC TRANSMISSION
TROUBLESHOOTING
Before starting this diagnostic troubleshooting, make sure that the gear position indicator is not blinking "" (Electrical system of the Hondamatic is normal) and all the engine maintenance items have been performed and are within specificationsFaulty drive performance of the vehicle 1Oil level inspection Check the oil level (page 3-12)Is the oil level correct? NO YES Fill the crankcase with recommended oil (page 3-12) GO TO STEP 2
2Oil pressure test If poor performance occurs only at vehicle maximum speed with ESP selected, angle sensor malfunction is the likely causePerform sensor inspection (page 24-41)Check the engine oil pressure (page 4-6)Is the oil pressure correct? NO YES Faulty lubrication system (page 4-5) GO TO STEP 3