The 2zr-fe engine swap guide

[CrankyOldMan]

Originally Posted by ArmstrongRacing

I went through the wiring diagrams today and verified the 2zr ECM(automatic transmission) and harness are plug-n-play with the Yaris U340E. For you guys using a manual transmission, you need a manual trans specific harness and ECM.

Good to know. I found that the Yaris ECU pinout is not compatible with the xD wire harness on either connector. Have you addressed the issues with the smaller connector on the ECU, since some of it goes into the interior? What about the end of the engine wire harness that goes into the engine bay relay/fuse box?

**EDIT**

Here's my spreadsheet for comparing the pinouts of the Yaris and xD ECU connectors. I will have to look at the EWDs again when I get home at the end of the month to see what the missing/conflicting names go to. Hopefully that connector just needs to be pin swapped.