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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting System (Int) - Diagnostics & Circuit Tests (1 Of 2) >> Lighting System >> Back Door Courtesy Switch Circuit [11/2023 - ] >> Description

Back Door Courtesy Switch Circuit [11/2023 - ]: Description

The main body ECU (multiplex network body ECU) receives a back door open/closed signal from the multiplex network door ECU*1 or back door lock assembly with courtesy light switch*2.

*1: w/ Power back door system

*2: w/o Power back door system

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