TIMS showed Smoke Internal at car 1545.Staff(AMK) checked and confirmed no signs of smoke / fire / burning smell on exterior or interior of train. Train was es corted to terminal station. ~~~~~ TIMS showed Smoke Internal at car 1545.   Checked and found FSD internal sensor dusty and RAD grill dusty, used compressed air to clean the dust. Function test ok. Done by: Rizman, Koh