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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different car >> Section 286 (Lighting System (Int) (Mid 2023-25) - Diagnostics & Circuit Tests) >> Lighting System >> Interior Light Auto Cut Circuit [11/2022 - ] >> Description

Interior Light Auto Cut Circuit [11/2022 - ]: Description

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The main body ECU (multiplex network body ECU) controls operation of the DOME CUT relay in order to supply power to the interior lights. When the battery saving function operates while the interior lights are on, the main body ECU (multiplex network body ECU) opens the DOME CUT relay to turn off the lights.