2001-2003 Honda TRX500FA Factory Service Manual, Page 356Get this manual
LIGHTSMETERSWITCHES - If the indicato does not off, di scon nect the engine control module (ECMj 34P connec tor and
meter 14P co nnector (page 22-6)and check fo sho rt ci rcuit in related wi res as shownIf th ey are OK, th ECM is faulty
Checkthe coo ling sysrem (section 8) before pe rformmg rhis ;nspec rOl1lf the abnotmallty IS found wtIen the
Temperature indicator stays on and the fan motor
does not sto p