What years Nissan 280zx have the same ecu unit?

The Nissan 280ZX, produced between 1979 and 1983, primarily utilizes the same ECU unit across its various model years. However, there are some differences in ECU specifications between the early models (1979-1981) and the later models (1982-1983) due to changes in emissions regulations and engine performance. For precise compatibility, it's best to refer to specific part numbers for each model year.