What was found
AUTOCOARSEN CAUTION LIGHT ILLUMINATED ON TAKEOFF ROLL. REMOVED AND REPLACED AUTOCOARSEN COMPUTER PN ON/OFF 8542M2, SN ON 538, SN OFF 435 IAW 61-22-05 AND DID NOT FIX IT. ON 01/18/2006 MEGGED OUT WIRING BETWEEN AUTOCOARSEN COMPUTER AND P3 SENSORS, ENGINE TORQUE SENSORS, ALL WIRING CHECKED GOOD. REMOVED AND REPLACED THE AUTOCOARSEN SWITCH CONTROL UNIT IAW 61-22-15-2 PN ON/OFF 8581, SN ON 213, SN OFF 223. SYSTEM OPS CHECK GOOD.