How to hot wire the Yaris

[CTScott]

Originally Posted by Nebarnix

Ok, that's straight forward enough. In order to keep the ACC (mostly A/C!) on I am assuming that the 12V needs to stay connected to the ignition 1 and 2 wires? Or is that what the ACC wire is for (is it even possible to start the car without accessory power on?) Thanks for your help!

Yes, IG1 and IG2 stay at +12 during cranking.

Acc is a separate wire. Acc should be off during cranking (the Yaris has an ACC cut circuit that does that while it is cranking).