What was found
WHEN THE CREW ADVANCED CONDITION LEVERS FOR TAKEOFF, A NOSE WHEEL STEERING FAIL WARNING ILLUMINATED. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE NOSE STEERING ELECTRONIC CONTROL UNIT. IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 31-14-00. FUNCTION CHECKS WERE COMPLIED WITH PER DORNIER MAINTENANCE MANUAL 32-51-06. THE AIRCRAFT WAS THEN RELEASED FROM MAINTENANCE.