2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 456Get this manual
SELECTABLE 4WD SYSTEM
TROU BLESHOOTING
SELF-DIAGNOSTIC FUNCTION
Whe th Engine Control Module (ECM detects ,- 4W IN DICATOR probl em in the systemthe 4W indicator show the prob lem code The 4WD indicator denot es th prob lem codes by blinking from one to five tim es-,