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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Lighting System (Int) (HEV) - Diagnostics & Circuit Tests) >> LIGHTING SYSTEM (for HV Model) >> ACC Signal Circuit [01/2019 - 09/2022] >> Description

ACC Signal Circuit [01/2019 - 09/2022]: Description

WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, and 2020 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

This circuit detects the power switch on (ACC) or off condition, and sends it to the main body ECU (multiplex network body ECU).

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