The most popular ECU’s for the 1JZ-GTE are the JZA70 ECU and the JZZ330 (soarer) ecus.

Below you will find the pinout for both.

Looking for connectors instead of ECU’s? Look at this article

Soarer JZZ30 ECU pinouts for the 1JZ-GTE

 

ECU pinouts for the JZA70 1JZ-GTE