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Home >> Toyota >> 2017 >> RAV4 LE, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (Exterior) - Diagnostic Codes & Circuit Tests - (Except Hybrid) >> Lighting System >> Circuit Tests >> Taillight Relay Circuit [12/2012 - 08/2014] >> Description

Taillight Relay Circuit [12/2012 - 08/2014]: Description

The main body ECU (Multiplex Network Body ECU) receives headlight dimmer switch information signals and illuminates the parking lights, taillights and license plate lights.