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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Lighting System (Int) (Early 2023) (Except TMMMS) - Diagnostics & Circuit Tests) >> LIGHTING SYSTEM (except TMMMS Made) >> IG Signal Circuit [09/2022 - 11/2022] >> Description

IG Signal Circuit [09/2022 - 11/2022]: Description

WARNING: This page is about a different car, the 2023 Toyota GR Corolla and 2023 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

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

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