TSB: Revision Notice: Applicability has been updated to include 2017 model year Yaris SD MEX-Prod and iA vehicles. Any previous printed versions of this bulletin should be discarded. The Yaris SD and iA are equipped with Smart Start and Remote Keyless Entry. This bulletin details the Techstream key programming process. Follow the key programming procedures outlined in this bulletin for the following: * Smart ECU Replacement; * Engine ECU (PCM) Replacement; * Key erase procedure; * Adding a key; * ALL keys are lost, how to turn the IG-ON
