DTC B1617: Front Airbag Sensor Lost Communication (LH); DTC B1618: Front Airbag Sensor LH Initialization [11/2018 - 02/2019]: Wiring Diagram

WARNING: This page is about a different car, the 2020 Toyota RAV4 and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.