The only 2000 Toyota with a 1500cc engine I can find is an Echo. This comes with a 1NZ-FE engine. The PCM has 4 connectors: 26 pin, 16 pin, 12 pin, and 22 pin. I don't know how anyone could stuff a 4a-fe engine in there. I think that is a 2.4L truck engine. To... Login to read more.