TIMS showed Smoke External Alarm at carFront DT car. Staff(BGS) checked and confirmed no signs of s moke / fire / burning smell on exterior or interior of train . Rear T144 line clear and confirmed no abnormalities. ~~~~~ FAULT #3654 TIMS SHOWED SMOKE EXTER L ALARM.CHECK AND CONFIRM AT #3654 TIMS SHOW SMOKE EXTER L FAULT.C/O DONE AT #3654 SMOKE EXTER L.FUNCTION CHECK DONE.SECURITY CHECK DONE.M HAIRUL/ZAHIR 09.05.2024 OLD S/N      NEW S/N KSFSD-002