What was found
DURING CLIMB NR 1 ENG ANTI-ICE FAULT LIGHT ON / ECAM IND FAULT. DEPART ICING WX IN 30 SEC, SHUT OFF ENG A/I, FAULT LIGHT OUT. A/I VALVE DEACT'D, LOCKED OPEN FOR TROUBLESHOOTING. OPENED ENG FAN & REV COWLS FOR T/S. CW HARNESS SHAKE TEST AT CONNECTOR DV220, FOUND INTERMITTENT FAULT LIGHT WITH ECAM WARN. VALVE UNLOCKED, CTRL & WARNING C/B FOR NR 1 ENGINE A/I VALVE OPENED. REMOVED CONNECTOR DV220 FROM A/I VALVE. REMOVED BACK SHELL ON CONNECTOR, WIRE NR 6 INTO PLUG SHORTED BY SHAKING WIRE. BACKSHELL NOT SECURED TO CP DV220. CONNECTOR NOT SECURED TO A/I VALVE. REMOVED AND REPLACED NR 1 ENG CORE HARNESS. REF: A300-600 MM 71-52-01-4. CW ADJ/TEST OF NR 1 ENG A/I VALVE, OPS CK OK.