What was found
APPROXIMATELY 30 MINUTES AFTER TAKEOFF, CREW RECEIVED INTERMITTENT ECAM WARNINGS FOR CARGO SMOKE, FORWARD AND AFT COMPARTMENTS. NO ASSOCIATED ODORS OR SENSOR WARNINGS. CREW ELECTED TO DO A PRECAUTIONARY LANDING AND DIVERTED TO ABQ BUT DECLARED AN EMERGENCY FOR LANDING. AIRCRAFT ARRIVED WITH MAINTENANCE STATUS MESSAGES FOR CIDS 1 AND SMOKE. UNABLE TO CLEAR CIDS 1 SO UNIT WAS REMOVED AND REPLACED. ALSO REPLACED OBRM AND RANG WIRES FOR CONTINUITY AND GROUND BETWEEN CIDS 1 & 2 WITH NO FAULTS FOUND.